From dbf42ec56d82abc6e99a295326bc2d6c312360e9 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 00:25:20 -0400
Subject: [PATCH 01/23] Changed bash completions for nested commands

---
 completions/sub.bash | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/completions/sub.bash b/completions/sub.bash
index 40eac81..6189577 100644
--- a/completions/sub.bash
+++ b/completions/sub.bash
@@ -4,10 +4,8 @@ _sub() {
 
   if [ "$COMP_CWORD" -eq 1 ]; then
     COMPREPLY=( $(compgen -W "$(sub commands)" -- "$word") )
-  else
-    local command="${COMP_WORDS[1]}"
-    local completions="$(sub completions "$command")"
-    COMPREPLY=( $(compgen -W "$completions" -- "$word") )
+  elif [ "$COMP_CWORD" -gt 1 ]; then
+    COMPREPLY=( $(compgen -W "$(sub commands ${COMP_WORDS[@]})" -- "$word") )
   fi
 }
 

From 24c5845f28f7d0e4a06969b8fa0819f9853109ca Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 00:26:28 -0400
Subject: [PATCH 02/23] Combined sub commands and completions

---
 libexec/sub-commands    | 49 +++++++++++++++++++++++++++++------------
 libexec/sub-completions | 14 ------------
 2 files changed, 35 insertions(+), 28 deletions(-)
 delete mode 100755 libexec/sub-completions

diff --git a/libexec/sub-commands b/libexec/sub-commands
index 3a88f33..5544981 100755
--- a/libexec/sub-commands
+++ b/libexec/sub-commands
@@ -23,20 +23,41 @@ fi
 
 shopt -s nullglob
 
-{ for path in ${PATH//:/$'\n'}; do
-    for command in "${path}/sub-"*; do
-      command="${command##*sub-}"
-      if [ -n "$sh" ]; then
-        if [ ${command:0:3} = "sh-" ]; then
-          echo ${command##sh-}
+if [ "$_SUB_COMMAND_IS" == "true" ] && [[ ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [ "$_SUB_COMMAND_FILE" != "commands" ] && [ "$_SUB_COMMAND_FILE" != "help" ]; then
+  if grep -i "^# provide sub completions" "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" >/dev/null; then
+    exec "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" --complete "$@"
+  fi
+else
+  { for path in ${PATH//:/$'\n'}; do
+      for command in "${path}/sub-"*; do
+        if [ ! "$command" == "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" ] || [ "$_SUB_COMMAND_FILE" == "commands" ]; then
+          if [ -d "$_SUB_COMMAND_ROOT" ] && [ "$_SUB_COMMAND_ROOT" == "$path" ]; then
+            do_commands="true"
+          elif [ ! -d "$_SUB_COMMAND_ROOT" ] || [ "$_SUB_COMMAND_ROOT" == "$_SUB_ROOT/libexec" ]; then
+            do_commands="true"
+          else
+            do_commands="false"
+          fi
+        elif [ "$command" == "commands" ] && [ "$command" == "$_SUB_COMMAND_FILE" ]; then
+          do_commands="true"
+        else
+          do_commands="false"
         fi
-      elif [ -n "$nosh" ]; then
-        if [ ${command:0:3} != "sh-" ]; then
-          echo ${command##sh-}
+         if [ "$do_commands" == "true" ]; then
+          command="${command##*sub-}"
+          if [ -n "$sh" ]; then
+            if [ ${command:0:3} = "sh-" ]; then
+              echo ${command##sh-}
+            fi
+          elif [ -n "$nosh" ]; then
+            if [ ${command:0:3} != "sh-" ]; then
+              echo ${command##sh-}
+            fi
+          else
+            echo ${command##sh-}
+          fi
         fi
-      else
-        echo ${command##sh-}
-      fi
+      done
     done
-  done
-} | sort | uniq
+  } | sort | uniq
+fi
diff --git a/libexec/sub-completions b/libexec/sub-completions
deleted file mode 100755
index 6771b0e..0000000
--- a/libexec/sub-completions
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-COMMAND="$1"
-if [ -z "$COMMAND" ]; then
-  echo "usage: sub completions COMMAND [arg1 arg2...]" >&2
-  exit 1
-fi
-
-COMMAND_PATH="$(command -v "sub-$COMMAND")"
-if grep -i "^# provide sub completions" "$COMMAND_PATH" >/dev/null; then
-  shift
-  exec "$COMMAND_PATH" --complete "$@"
-fi

From d64d43a35a5e9dda0dc7adbf4d8390e69d7a6614 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 00:27:00 -0400
Subject: [PATCH 03/23] Modified sub-help for nested commands

---
 libexec/sub-help | 41 ++++++++++++++++++++++++++++++-----------
 1 file changed, 30 insertions(+), 11 deletions(-)

diff --git a/libexec/sub-help b/libexec/sub-help
index a82d9ae..2fd1bab 100755
--- a/libexec/sub-help
+++ b/libexec/sub-help
@@ -2,21 +2,36 @@
 set -e
 
 print_summaries() {
+  local sub_commands="$(sub commands)"
   local commands=()
   local summaries=()
   local longest_command=0
   local command
 
-  for command in $(sub-commands); do
+  if [[ "$0" == *help ]]; then
+    sub_commands="$(sub commands $_SUB_COMMAND_VARS)"
+    if [ -f "$sub_commands" ]; then
+      print_help $sub_commands
+      exit
+    fi
+  fi
+
+  for command in ${sub_commands[@]}; do
     local file="$(command_path "$command")"
-    if [ ! -h "$file" ]; then
+    if [ ! -h "$file" ] && [ -f "$file" ]; then
       local summary="$(summary "$file")"
       if [ -n "$summary" ]; then
-        commands["${#commands[@]}"]="$command"
+
+        if [ -d "$_SUB_COMMAND_ROOT/sub-$command" ]; then
+          commands["${#commands[@]}"]="-> $command"
+        else
+          commands["${#commands[@]}"]="$command"
+        fi
+
         summaries["${#summaries[@]}"]="$summary"
 
         if [ "${#command}" -gt "$longest_command" ]; then
-          longest_command="${#command}"
+          longest_command=`expr ${#command} + 3`
         fi
       fi
     fi
@@ -47,7 +62,12 @@ print_help() {
 }
 
 command_path() {
-  command -v "sub-$command" || command -v "sub-sh-$command" || true
+  sub_path="$(command -v "sub-$command" || command -v "sub-sh-$command" || true)"
+  if [ "$sub_path" == "" ] && [ -f "$_SUB_COMMAND_ROOT/sub-$command/sub-$command" ]; then
+    echo "$_SUB_COMMAND_ROOT/sub-$command/sub-$command"
+  else
+    echo "$sub_path"
+  fi
 }
 
 summary() {
@@ -80,16 +100,15 @@ if [ "$1" = "--complete" ]; then
   exit
 fi
 
-command="$1"
-case "$command" in
-"") echo "Usage: sub <command> [<args>]
+command="$_SUB_COMMAND_FILE"
+if [ "$command" == "" ] || [ "$command" == "help" ] || [[ "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]]; then
+echo "Usage: sub <command> [<args>]
 
 Some useful sub commands are:
 $(print_summaries)
 
 See 'sub help <command>' for information on a specific command."
-;;
-*)
+else
   file="$(command_path "$command")"
 
   if [ -n "$file" ]; then
@@ -98,4 +117,4 @@ See 'sub help <command>' for information on a specific command."
     echo "sub: no such command \`$command'" >&2
     exit 1
   fi
-esac
+fi

From 560c636aa5181773b3bd9c7563480260c7e91ce3 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 00:29:43 -0400
Subject: [PATCH 04/23] Modified sub for nested commands

---
 libexec/sub | 79 +++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 67 insertions(+), 12 deletions(-)

diff --git a/libexec/sub b/libexec/sub
index 75b757e..7c3bfaf 100755
--- a/libexec/sub
+++ b/libexec/sub
@@ -19,23 +19,78 @@ abs_dirname() {
   cd "$cwd"
 }
 
+
 libexec_path="$(abs_dirname "$0")"
 export _SUB_ROOT="$(abs_dirname "$libexec_path")"
-export PATH="${libexec_path}:$PATH"
+
+commands=($@)
+
+path_builder="$_SUB_ROOT/libexec"
+command_builder=""
+_SUB_COMMAND_IS="false"
+prev_command=""
+
+for i in $(seq 0 ${#commands[@]})
+do
+  if [ "${commands[$i]}" != "" ] && [[ "${commands[$i]}" != -* ]]; then
+    if [ -d "$path_builder/sub-${commands[$i]}" ]; then
+      path_builder="$path_builder/sub-${commands[$i]}"
+    fi
+    if [ -f "$path_builder/sub-${commands[$i]}" ]; then
+      prev_command=$command_builder
+      command_builder="${commands[$i]}"
+      _SUB_COMMAND_IS="true"
+    else
+      _SUB_COMMAND_IS="false"
+    fi
+  fi
+
+  if [[ "${commands[$i]}" == -* ]]; then
+    break
+  fi
+done
+
+flags=""
+flags_on="false"
+for i in $(seq 0 ${#commands[@]})
+do
+  if [[ "${commands[$i]}" == -* ]] || [ "$flags_on" == "true" ]; then
+    flags="$flags${commands[$i]} "
+    flags_on="true"
+  fi
+done
+
+export _SUB_COMMAND_ROOT="$path_builder"
+export _SUB_COMMAND_FILE="$command_builder"
+export _SUB_COMMAND_VARS="$@"
+export _SUB_COMMAND_IS="$_SUB_COMMAND_IS"
+
+if [ -d "$_SUB_COMMAND_ROOT" ]; then
+  export PATH="${libexec_path}:$_SUB_COMMAND_ROOT:$PATH"
+else
+  export PATH="${libexec_path}:$PATH"
+fi
 
 command="$1"
-case "$command" in
-"" | "-h" | "--help" )
+if [ "$command" == "" ] || [ "$command" == "-h" ] || [ "$command" == "-help" ]; then
   exec sub-help
-  ;;
-* )
+  exit
+elif [ "$command" == "help" ] || [ "$command" == "commands" ]; then
   command_path="$(command -v "sub-$command" || true)"
-  if [ ! -x "$command_path" ]; then
-    echo "sub: no such command \`$command'" >&2
-    exit 1
-  fi
+else
+  command_path="$(command -v "sub-$command_builder" || true)"
+fi
+
+if [ ! -x "$command_path" ]; then
+  echo "sub: no such command \`$command'" >&2
+  exit 1
+fi
 
-  shift
+shift
+if [ "$flags" == "" ]; then
   exec "$command_path" "$@"
-  ;;
-esac
+elif [[ "$flags" == *- ]]; then
+  exec "$command_path" "--complete" $@
+else
+  exec "$command_path" $flags
+fi
\ No newline at end of file

From b7b7a6a7c81216fe31cccf90e4f1099dd26322be Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 00:32:23 -0400
Subject: [PATCH 05/23] Modified prepare script for sub sub commands

---
 prepare.sh | 42 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/prepare.sh b/prepare.sh
index 4b6301e..aff0450 100755
--- a/prepare.sh
+++ b/prepare.sh
@@ -1,6 +1,36 @@
 #!/usr/bin/env bash
 set -e
 
+create_sub() {
+  file="$1"
+  SUBNAME="$2"
+  ENVNAME="$3"
+  sed "s/sub/$SUBNAME/g;s/SUB_ROOT/$ENVNAME/g" "$file" > $(echo $file | sed "s/sub/$SUBNAME/g")
+  rm $file
+}
+
+chmod_files() {
+  for file in $1/*; do
+    chmod a+x $file
+  done
+}
+
+prepare_sub() {
+  SUBNAME="$2"
+  mkdir -p $(echo $1 | sed "s/sub/$SUBNAME/g")
+
+  for file in $1/sub*; do
+    if [ -d "$file" ]; then
+      prepare_sub $file $SUBNAME
+    elif [ -f "$file" ]; then
+      create_sub $file $SUBNAME $ENVNAME
+    fi
+  done
+
+  chmod_files $(echo $1 | sed "s/sub/$SUBNAME/g")
+  rm -rf $1
+}
+
 NAME="$1"
 if [ -z "$NAME" ]; then
   echo "usage: prepare.sh NAME_OF_YOUR_SUB" >&2
@@ -17,13 +47,14 @@ if [ "$NAME" != "sub" ]; then
   mv share/sub share/$SUBNAME
 
   for file in **/sub*; do
-    sed "s/sub/$SUBNAME/g;s/SUB_ROOT/$ENVNAME/g" "$file" > $(echo $file | sed "s/sub/$SUBNAME/")
-    rm $file
+    if [ -d "$file" ]; then
+      prepare_sub $file $SUBNAME
+    elif [ -f "$file" ]; then
+      create_sub $file $SUBNAME $ENVNAME
+    fi
   done
 
-  for file in libexec/*; do
-    chmod a+x $file
-  done
+  chmod_files "libexec"
 
   ln -s ../libexec/$SUBNAME bin/$SUBNAME
 fi
@@ -45,3 +76,4 @@ echo "    git add ."
 echo "    git checkout -f"
 echo
 echo "Thanks for making a sub!"
+

From fd5792d5844d74ad8300e9db309966343fc6b551 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 00:44:09 -0400
Subject: [PATCH 06/23] Adding sub-sub-command examples

---
 libexec/sub-example/sub-advanced/sub-advanced |  8 +++
 .../sub-advanced/sub-expert/sub-case-select   | 54 +++++++++++++++++++
 .../sub-advanced/sub-expert/sub-expert        |  6 +++
 libexec/sub-example/sub-basic/sub-basic       |  8 +++
 libexec/sub-example/sub-basic/sub-foreach     | 39 ++++++++++++++
 libexec/sub-example/sub-example               |  8 +++
 6 files changed, 123 insertions(+)
 create mode 100755 libexec/sub-example/sub-advanced/sub-advanced
 create mode 100755 libexec/sub-example/sub-advanced/sub-expert/sub-case-select
 create mode 100755 libexec/sub-example/sub-advanced/sub-expert/sub-expert
 create mode 100755 libexec/sub-example/sub-basic/sub-basic
 create mode 100755 libexec/sub-example/sub-basic/sub-foreach
 create mode 100755 libexec/sub-example/sub-example

diff --git a/libexec/sub-example/sub-advanced/sub-advanced b/libexec/sub-example/sub-advanced/sub-advanced
new file mode 100755
index 0000000..071ef2b
--- /dev/null
+++ b/libexec/sub-example/sub-advanced/sub-advanced
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# Usage: sub example advanced
+# Summary: List all Advanced sub Example Scripts
+# Help: This command lists all of the Advanced sub Example Scripts
+
+set -e
+
+sub help example bash advanced
diff --git a/libexec/sub-example/sub-advanced/sub-expert/sub-case-select b/libexec/sub-example/sub-advanced/sub-expert/sub-case-select
new file mode 100755
index 0000000..164d811
--- /dev/null
+++ b/libexec/sub-example/sub-advanced/sub-expert/sub-case-select
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+# Usage: sub example advanced expert case-select
+# Summary: BASH Case Select Example
+# Help: This is an example of a BASH Case Select
+
+set -e
+
+# Provide sub completions
+if [ "$1" = "--complete" ]; then
+  echo --what
+  echo --break
+  exit
+fi
+
+what="counter"
+break_on=6
+while [ ! "$1" == "" ]; do
+	case "$1" in
+		--what)
+			if [[ ! "$2" == -* ]]; then
+				what=$2
+				shift
+			else
+				what="default"
+			fi
+		;;
+		--break) 
+			if [[ ! "$2" == -* ]]; then
+				break_on=$2
+				shift
+			else
+				break_on=3
+			fi
+		;;
+	esac
+
+	shift
+done
+
+echo "-=> Executing Case Select Example"
+echo "----> Breaking on $break_on"
+echo "----> Counter is called $what"
+
+COUNTER=0
+while [ $COUNTER -lt 5 ]; do
+	echo "------> The $what is $COUNTER"
+	COUNTER=`expr $COUNTER + 1`
+
+	if [ "$break_on" == "$COUNTER" ]; then
+		break
+	fi
+done
+
+echo "- Finished..."
\ No newline at end of file
diff --git a/libexec/sub-example/sub-advanced/sub-expert/sub-expert b/libexec/sub-example/sub-advanced/sub-expert/sub-expert
new file mode 100755
index 0000000..c62f295
--- /dev/null
+++ b/libexec/sub-example/sub-advanced/sub-expert/sub-expert
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# Usage: sub example advanced expert
+# Summary: Collection of expert scripts
+# Help: Collection of advanced expert sub scripts
+
+sub help example advanced expert
\ No newline at end of file
diff --git a/libexec/sub-example/sub-basic/sub-basic b/libexec/sub-example/sub-basic/sub-basic
new file mode 100755
index 0000000..f294b55
--- /dev/null
+++ b/libexec/sub-example/sub-basic/sub-basic
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# Usage: sub example bash basic
+# Summary: List all basic sub Example Scripts
+# Help: This command lists all of the basic sub Example Scripts
+
+set -e
+
+sub help example bash basic
diff --git a/libexec/sub-example/sub-basic/sub-foreach b/libexec/sub-example/sub-basic/sub-foreach
new file mode 100755
index 0000000..8808e47
--- /dev/null
+++ b/libexec/sub-example/sub-basic/sub-foreach
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Usage: sub example basic foreach [--break]
+# Summary: BASH For Each Example w/ break loop option
+# Help: This command is an example of a BASH For Each Loop with an example of how to break the loop based on an argument parameter
+
+set -e
+
+# Provide sub completions
+if [ "$1" = "--complete" ]; then
+  echo --break
+  exit
+fi
+
+if [ "$1" = "--break" ] && [ ! "$2" == "" ] && [[ ! "$2" == -* ]]; then
+	break_on=$2
+	shift
+	shift
+elif [ "$1" = "--break" ] && [ "$2" == "" ]; then
+	echo "Defaulting Break On Three"
+	break_on=3
+	shift
+else
+	break_on=6
+fi
+
+foreach_array=("one" "two" "three" "four" "five")
+count=0
+
+for array_value in ${foreach_array[@]}
+do
+	if [ "$break_on" == "$count" ]; then
+		break
+	else
+		echo $array_value
+	fi
+	count=`expr $count + 1`
+done
+
+echo "done"
\ No newline at end of file
diff --git a/libexec/sub-example/sub-example b/libexec/sub-example/sub-example
new file mode 100755
index 0000000..528f1e7
--- /dev/null
+++ b/libexec/sub-example/sub-example
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# Usage: sub example
+# Summary: Collection of BASH Sub Example Scripts
+# Help: These commands are mostly used as examples and for testing sub modifications
+
+set -e
+
+sub help example
\ No newline at end of file

From fbc39c12618ba4d2802db7ad195ca75fa598fb9c Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 02:55:19 -0400
Subject: [PATCH 07/23] Quick change to sub-help

---
 libexec/sub-help | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libexec/sub-help b/libexec/sub-help
index 2fd1bab..f4cf385 100755
--- a/libexec/sub-help
+++ b/libexec/sub-help
@@ -96,7 +96,7 @@ truncate() {
 
 # Provide sub completions
 if [ "$1" = "--complete" ]; then
-  exec "sub-commands"
+  echo "$(sub commands)"
   exit
 fi
 

From 019c1ac221a75db77ae646cf297e94c8d178ce8e Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 02:55:35 -0400
Subject: [PATCH 08/23] Got sub-commands auto-complete working

---
 libexec/sub-commands | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libexec/sub-commands b/libexec/sub-commands
index 5544981..6b8cccc 100755
--- a/libexec/sub-commands
+++ b/libexec/sub-commands
@@ -7,7 +7,7 @@
 set -e
 
 # Provide sub completions
-if [ "$1" = "--complete" ]; then
+if [ "$1" == "--complete" ]; then
   echo --sh
   echo --no-sh
   exit
@@ -23,7 +23,7 @@ fi
 
 shopt -s nullglob
 
-if [ "$_SUB_COMMAND_IS" == "true" ] && [[ ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [ "$_SUB_COMMAND_FILE" != "commands" ] && [ "$_SUB_COMMAND_FILE" != "help" ]; then
+if [ "$_SUB_COMMAND_IS" == "true" ] && [[ ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [[ "$_SUB_COMMAND_FILE" == "commands" && ! "$1" == "" && "$3" == "" ]]; then
   if grep -i "^# provide sub completions" "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" >/dev/null; then
     exec "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" --complete "$@"
   fi

From 4278c6fa6734fd8b207fc601820d6c3effefe96e Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 03:57:32 -0400
Subject: [PATCH 09/23] Sub commands working with both bash and zsh

---
 libexec/sub-commands | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libexec/sub-commands b/libexec/sub-commands
index 6b8cccc..deb504e 100755
--- a/libexec/sub-commands
+++ b/libexec/sub-commands
@@ -23,7 +23,7 @@ fi
 
 shopt -s nullglob
 
-if [ "$_SUB_COMMAND_IS" == "true" ] && [[ ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [[ "$_SUB_COMMAND_FILE" == "commands" && ! "$1" == "" && "$3" == "" ]]; then
+if [[ "$_SUB_COMMAND_IS" == "true" && ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [[ "$2" != "" || "$1" != "" ]]; then
   if grep -i "^# provide sub completions" "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" >/dev/null; then
     exec "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" --complete "$@"
   fi

From 72b8d87ee75f696f1a4effc29f2c4ade20ede70b Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 03:57:55 -0400
Subject: [PATCH 10/23] Added zsh completions for nested sub sub commands

---
 completions/sub.zsh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/completions/sub.zsh b/completions/sub.zsh
index e482490..fd4ea67 100644
--- a/completions/sub.zsh
+++ b/completions/sub.zsh
@@ -7,12 +7,11 @@ compctl -K _sub sub
 _sub() {
   local word words completions
   read -cA words
-  word="${words[2]}"
 
   if [ "${#words}" -eq 2 ]; then
     completions="$(sub commands)"
-  else
-    completions="$(sub completions "${word}")"
+  elif [ "${#words}" -gt 2 ]; then
+    completions="$(sub commands "$words")"
   fi
 
   reply=("${(ps:\n:)completions}")

From dd458b1ded687771015571d16fb25373e2e8a402 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 22:49:45 -0400
Subject: [PATCH 11/23] Replaced seq with triple expression

---
 libexec/sub | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libexec/sub b/libexec/sub
index 7c3bfaf..9802e2f 100755
--- a/libexec/sub
+++ b/libexec/sub
@@ -30,7 +30,7 @@ command_builder=""
 _SUB_COMMAND_IS="false"
 prev_command=""
 
-for i in $(seq 0 ${#commands[@]})
+for (( i=0; i<=${#commands[@]}; i++ ))
 do
   if [ "${commands[$i]}" != "" ] && [[ "${commands[$i]}" != -* ]]; then
     if [ -d "$path_builder/sub-${commands[$i]}" ]; then
@@ -52,7 +52,7 @@ done
 
 flags=""
 flags_on="false"
-for i in $(seq 0 ${#commands[@]})
+for (( i=0; i<=${#commands[@]}; i++ ))
 do
   if [[ "${commands[$i]}" == -* ]] || [ "$flags_on" == "true" ]; then
     flags="$flags${commands[$i]} "

From 79a12abc76e54242a72103b0afd3f9102d6f17b1 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Mon, 22 Apr 2013 23:33:55 -0400
Subject: [PATCH 12/23] Renamed example variable

---
 .../sub-advanced/sub-expert/sub-case-select          | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libexec/sub-example/sub-advanced/sub-expert/sub-case-select b/libexec/sub-example/sub-advanced/sub-expert/sub-case-select
index 164d811..5c743cc 100755
--- a/libexec/sub-example/sub-advanced/sub-expert/sub-case-select
+++ b/libexec/sub-example/sub-advanced/sub-expert/sub-case-select
@@ -7,7 +7,7 @@ set -e
 
 # Provide sub completions
 if [ "$1" = "--complete" ]; then
-  echo --what
+  echo --name
   echo --break
   exit
 fi
@@ -16,12 +16,12 @@ what="counter"
 break_on=6
 while [ ! "$1" == "" ]; do
 	case "$1" in
-		--what)
+		--name)
 			if [[ ! "$2" == -* ]]; then
-				what=$2
+				name=$2
 				shift
 			else
-				what="default"
+				name="default"
 			fi
 		;;
 		--break) 
@@ -39,11 +39,11 @@ done
 
 echo "-=> Executing Case Select Example"
 echo "----> Breaking on $break_on"
-echo "----> Counter is called $what"
+echo "----> Counter is called $name"
 
 COUNTER=0
 while [ $COUNTER -lt 5 ]; do
-	echo "------> The $what is $COUNTER"
+	echo "------> The $name is $COUNTER"
 	COUNTER=`expr $COUNTER + 1`
 
 	if [ "$break_on" == "$COUNTER" ]; then

From dc4ee37356b60eb6df5194311c6a900e24772d4e Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Tue, 23 Apr 2013 01:48:27 -0400
Subject: [PATCH 13/23] Added example for auto file completions

---
 libexec/sub-example/sub-basic/sub-files | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100755 libexec/sub-example/sub-basic/sub-files

diff --git a/libexec/sub-example/sub-basic/sub-files b/libexec/sub-example/sub-basic/sub-files
new file mode 100755
index 0000000..cd2684b
--- /dev/null
+++ b/libexec/sub-example/sub-basic/sub-files
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+# Usage: sub example basic filecomplete
+# Summary: Example of auto completion for files
+# Help: This is an example of auto completion for files
\ No newline at end of file

From e134574565d84005f12734a212647ee9dc0a4fc4 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Tue, 23 Apr 2013 01:48:48 -0400
Subject: [PATCH 14/23] Fixes #7 - Example script

---
 libexec/sub-example/sub-advanced/sub-fix-7 | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 libexec/sub-example/sub-advanced/sub-fix-7

diff --git a/libexec/sub-example/sub-advanced/sub-fix-7 b/libexec/sub-example/sub-advanced/sub-fix-7
new file mode 100755
index 0000000..e812ee1
--- /dev/null
+++ b/libexec/sub-example/sub-advanced/sub-fix-7
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+# Usage: sub example advanced fix-7
+# Summary: Fixes Issue #7
+# Help: Fixes Issue #7: https://github.com/37signals/sub/issues/7
+
+set -e
+
+# Provide sub completions
+if [ "$1" = "--complete" ]; then  
+	while [ ! "$1" == "" ]; do
+	  if [ "$1" = "foo" ] || [ "$1" = "bar" ]; then
+	    { echo baz; echo bla; } | sort | uniq
+	  	exit
+	  fi
+
+	  shift
+	done
+  
+	{ echo foo; echo bar; } | sort | uniq
+	exit;
+fi

From 254a7f74a39e269470db6befe3557b2b350a9203 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Tue, 23 Apr 2013 01:49:31 -0400
Subject: [PATCH 15/23] Refactoring

---
 libexec/sub-commands | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libexec/sub-commands b/libexec/sub-commands
index deb504e..d3e2a09 100755
--- a/libexec/sub-commands
+++ b/libexec/sub-commands
@@ -23,10 +23,14 @@ fi
 
 shopt -s nullglob
 
-if [[ "$_SUB_COMMAND_IS" == "true" && ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [[ "$2" != "" || "$1" != "" ]]; then
+if [[ ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [[ "$2" != "" || "$1" != "" ]]; then
   if grep -i "^# provide sub completions" "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" >/dev/null; then
-    exec "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" --complete "$@"
+    completions=`exec "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" --complete "$@"`
+    if [ "$completions" ]; then
+      echo $completions
+    fi
   fi
+  exit
 else
   { for path in ${PATH//:/$'\n'}; do
       for command in "${path}/sub-"*; do

From 34a4bb9a945340c41f423bc8007902d47c9b4d9c Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Tue, 23 Apr 2013 01:49:42 -0400
Subject: [PATCH 16/23] Refactoring

---
 libexec/sub | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/libexec/sub b/libexec/sub
index 9802e2f..148c634 100755
--- a/libexec/sub
+++ b/libexec/sub
@@ -19,7 +19,6 @@ abs_dirname() {
   cd "$cwd"
 }
 
-
 libexec_path="$(abs_dirname "$0")"
 export _SUB_ROOT="$(abs_dirname "$libexec_path")"
 
@@ -89,8 +88,6 @@ fi
 shift
 if [ "$flags" == "" ]; then
   exec "$command_path" "$@"
-elif [[ "$flags" == *- ]]; then
-  exec "$command_path" "--complete" $@
 else
   exec "$command_path" $flags
 fi
\ No newline at end of file

From 1da72dac1cd1fc2f5b2fe03d0e9aba80e22a10de Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Tue, 23 Apr 2013 01:50:11 -0400
Subject: [PATCH 17/23] Fixes Auto File Completion

---
 completions/sub.bash | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/completions/sub.bash b/completions/sub.bash
index 6189577..95a7b3f 100644
--- a/completions/sub.bash
+++ b/completions/sub.bash
@@ -5,8 +5,13 @@ _sub() {
   if [ "$COMP_CWORD" -eq 1 ]; then
     COMPREPLY=( $(compgen -W "$(sub commands)" -- "$word") )
   elif [ "$COMP_CWORD" -gt 1 ]; then
-    COMPREPLY=( $(compgen -W "$(sub commands ${COMP_WORDS[@]})" -- "$word") )
+  	$commands="$(sub commands ${COMP_WORDS[@]})"
+  	if [ "$commands" ]; then
+    	COMPREPLY=( $(compgen -W "$commands" -- "$word") )
+    else
+    	return 1
+    fi
   fi
 }
 
-complete -F _sub sub
+complete -o default -F _sub sub

From 8764cfc1d84c244abec650c3103821ad19df4499 Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Tue, 23 Apr 2013 23:58:33 -0400
Subject: [PATCH 18/23] Minor README.md update

---
 README.md | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 74d40d6..21eca28 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ Sub is a model for setting up shell programs that use subcommands, like `git` or
 A sub program is run at the command line using this style:
 
     $ [name of program] [subcommand] [(args)]
+    $ [name of program] [subcommand] [subcommand] [(args)]
 
 Here's some quick examples:
 
@@ -15,10 +16,13 @@ Here's some quick examples:
 Each subcommand maps to a separate, standalone executable program. Sub programs are laid out like so:
 
     .
-    ├── bin               # contains the main executable for your program
-    ├── completions       # (optional) bash/zsh completions
-    ├── libexec           # where the subcommand executables are
-    └── share             # static data storage
+    ├── bin                               # contains the main executable for your program
+    ├── completions                       # (optional) bash/zsh completions
+    ├── libexec                           # where the subcommand executables are
+    ├───> sub-command                     # sub command (Displays summary for b & c)
+    |  ├────∎ sub-command-b               # sub command command-b <args>
+    |  └────∎ sub-command-c               # sub command command-c <args>
+    └── share                             # static data storage
 
 ## Subcommands
 
@@ -49,8 +53,7 @@ You can run *any* executable in the `libexec` directly, as long as it follows th
 
 You get a few commands that come with your sub:
 
-* `commands`: Prints out every subcommand available
-* `completions`: Helps kick off subcommand autocompletion.
+* `commands`: Prints out every subcommand available and kicks off autocompletion
 * `help`: Document how to use each subcommand
 * `init`: Shows how to load your sub with autocompletions, based on your shell.
 * `shell`: Helps with calling subcommands that might be named the same as builtin/executables.

From 2bf26a95d313558d966949b3bebe74d0acd24f3e Mon Sep 17 00:00:00 2001
From: Jeffrey Roberts <Jeffrey.L.Roberts@gmail.com>
Date: Wed, 24 Apr 2013 20:27:32 -0400
Subject: [PATCH 19/23] small typo in bash completions

---
 completions/sub.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/completions/sub.bash b/completions/sub.bash
index 95a7b3f..ee54b8d 100644
--- a/completions/sub.bash
+++ b/completions/sub.bash
@@ -5,7 +5,7 @@ _sub() {
   if [ "$COMP_CWORD" -eq 1 ]; then
     COMPREPLY=( $(compgen -W "$(sub commands)" -- "$word") )
   elif [ "$COMP_CWORD" -gt 1 ]; then
-  	$commands="$(sub commands ${COMP_WORDS[@]})"
+  	commands="$(sub commands ${COMP_WORDS[@]})"
   	if [ "$commands" ]; then
     	COMPREPLY=( $(compgen -W "$commands" -- "$word") )
     else

From 95a123e2f929d4a326a4e77667d0154622de4b0a Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Sun, 28 Apr 2013 10:34:25 -0400
Subject: [PATCH 20/23] Added ability to have help on root sub-sub-command

---
 libexec/sub-help | 40 +++++++++++++++++++++++++++++++++++-----
 1 file changed, 35 insertions(+), 5 deletions(-)

diff --git a/libexec/sub-help b/libexec/sub-help
index f4cf385..a17632a 100755
--- a/libexec/sub-help
+++ b/libexec/sub-help
@@ -94,6 +94,31 @@ truncate() {
   fi
 }
 
+print_command_help() {
+  local file="$1"
+  local usage="$(usage "$file")"
+
+  if [ -n "$usage" ]; then
+    echo "$usage"
+
+    local help="$(help "$file")"
+    [ -n "$help" ] && echo && echo "$help"
+
+    local _SUB_SUMMARY="$(print_summaries)"
+
+    if [ ! "$_SUB_SUMMARY" == "" ]; then
+      echo "
+Some useful sub $command commands are:
+
+$(print_summaries)
+
+See 'sub help $command' for information on a specific command."
+    fi
+  else
+    echo "Sorry, this command isn't documented yet."
+  fi
+}
+
 # Provide sub completions
 if [ "$1" = "--complete" ]; then
   echo "$(sub commands)"
@@ -101,18 +126,23 @@ if [ "$1" = "--complete" ]; then
 fi
 
 command="$_SUB_COMMAND_FILE"
-if [ "$command" == "" ] || [ "$command" == "help" ] || [[ "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]]; then
-echo "Usage: sub <command> [<args>]
+if [[ "$command" == "" || "$command" == "help" ]] && [[ ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]]; then
+echo "Usage: sub $command [<args>]
 
-Some useful sub commands are:
+Some useful sub $command commands are:
 $(print_summaries)
 
-See 'sub help <command>' for information on a specific command."
+See 'sub help $command' for information on a specific command."
+
 else
   file="$(command_path "$command")"
 
   if [ -n "$file" ]; then
-    print_help "$file"
+    if [[ "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]]; then
+      print_command_help "$file"
+    else
+      print_help "$file"
+    fi
   else
     echo "sub: no such command \`$command'" >&2
     exit 1

From 13797c3f535505ebe68e953c4e2d8791af19244b Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Sun, 28 Apr 2013 10:34:49 -0400
Subject: [PATCH 21/23] Removed auto complete from sub commands, it was
 breaking help

---
 libexec/sub-commands | 69 +++++++++++++++++++-------------------------
 1 file changed, 30 insertions(+), 39 deletions(-)

diff --git a/libexec/sub-commands b/libexec/sub-commands
index d3e2a09..8ca75cb 100755
--- a/libexec/sub-commands
+++ b/libexec/sub-commands
@@ -6,13 +6,6 @@
 
 set -e
 
-# Provide sub completions
-if [ "$1" == "--complete" ]; then
-  echo --sh
-  echo --no-sh
-  exit
-fi
-
 if [ "$1" = "--sh" ]; then
   sh=1
   shift
@@ -23,45 +16,43 @@ fi
 
 shopt -s nullglob
 
-if [[ ! "$_SUB_COMMAND_ROOT" == *sub-$_SUB_COMMAND_FILE ]] && [[ "$2" != "" || "$1" != "" ]]; then
-  if grep -i "^# provide sub completions" "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" >/dev/null; then
-    completions=`exec "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" --complete "$@"`
-    if [ "$completions" ]; then
-      echo $completions
-    fi
+if grep -i "^# provide sub completions" "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" >/dev/null; then
+  completions=`exec "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" --complete "$@"`
+  if [ "$completions" ]; then
+    echo $completions
   fi
   exit
-else
-  { for path in ${PATH//:/$'\n'}; do
-      for command in "${path}/sub-"*; do
-        if [ ! "$command" == "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" ] || [ "$_SUB_COMMAND_FILE" == "commands" ]; then
-          if [ -d "$_SUB_COMMAND_ROOT" ] && [ "$_SUB_COMMAND_ROOT" == "$path" ]; then
-            do_commands="true"
-          elif [ ! -d "$_SUB_COMMAND_ROOT" ] || [ "$_SUB_COMMAND_ROOT" == "$_SUB_ROOT/libexec" ]; then
-            do_commands="true"
-          else
-            do_commands="false"
-          fi
-        elif [ "$command" == "commands" ] && [ "$command" == "$_SUB_COMMAND_FILE" ]; then
+fi
+
+{ for path in ${PATH//:/$'\n'}; do
+    for command in "${path}/sub-"*; do
+      if [ ! "$command" == "$_SUB_COMMAND_ROOT/sub-$_SUB_COMMAND_FILE" ] || [ "$_SUB_COMMAND_FILE" == "commands" ]; then
+        if [ -d "$_SUB_COMMAND_ROOT" ] && [ "$_SUB_COMMAND_ROOT" == "$path" ]; then
+          do_commands="true"
+        elif [ ! -d "$_SUB_COMMAND_ROOT" ] || [ "$_SUB_COMMAND_ROOT" == "$_SUB_ROOT/libexec" ]; then
           do_commands="true"
         else
           do_commands="false"
         fi
-         if [ "$do_commands" == "true" ]; then
-          command="${command##*sub-}"
-          if [ -n "$sh" ]; then
-            if [ ${command:0:3} = "sh-" ]; then
-              echo ${command##sh-}
-            fi
-          elif [ -n "$nosh" ]; then
-            if [ ${command:0:3} != "sh-" ]; then
-              echo ${command##sh-}
-            fi
-          else
+      elif [ "$command" == "commands" ] && [ "$command" == "$_SUB_COMMAND_FILE" ]; then
+        do_commands="true"
+      else
+        do_commands="false"
+      fi
+       if [ "$do_commands" == "true" ]; then
+        command="${command##*sub-}"
+        if [ -n "$sh" ]; then
+          if [ ${command:0:3} = "sh-" ]; then
+            echo ${command##sh-}
+          fi
+        elif [ -n "$nosh" ]; then
+          if [ ${command:0:3} != "sh-" ]; then
             echo ${command##sh-}
           fi
+        else
+          echo ${command##sh-}
         fi
-      done
+      fi
     done
-  } | sort | uniq
-fi
+  done
+} | sort | uniq

From 138b12407a677c2fe52a4be6504dc716ece65a0d Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Sun, 28 Apr 2013 10:35:04 -0400
Subject: [PATCH 22/23] Minor edit

---
 libexec/sub-example/sub-example | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libexec/sub-example/sub-example b/libexec/sub-example/sub-example
index 528f1e7..e3aa041 100755
--- a/libexec/sub-example/sub-example
+++ b/libexec/sub-example/sub-example
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Usage: sub example
+# Usage: sub example [command]
 # Summary: Collection of BASH Sub Example Scripts
 # Help: These commands are mostly used as examples and for testing sub modifications
 

From d1d41081e736dc89f04fe99f5f65ce0ceed16bfd Mon Sep 17 00:00:00 2001
From: "Jeffrey L. Roberts" <Jeffrey.L.Roberts@gmail.com>
Date: Sun, 28 Apr 2013 10:47:32 -0400
Subject: [PATCH 23/23] Did some debugging

---
 libexec/sub-help | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libexec/sub-help b/libexec/sub-help
index a17632a..971a034 100755
--- a/libexec/sub-help
+++ b/libexec/sub-help
@@ -2,6 +2,7 @@
 set -e
 
 print_summaries() {
+
   local sub_commands="$(sub commands)"
   local commands=()
   local summaries=()
@@ -112,7 +113,7 @@ Some useful sub $command commands are:
 
 $(print_summaries)
 
-See 'sub help $command' for information on a specific command."
+See 'sub $_SUB_COMMAND_VARS [command]' for information on a specific command."
     fi
   else
     echo "Sorry, this command isn't documented yet."
@@ -132,7 +133,7 @@ echo "Usage: sub $command [<args>]
 Some useful sub $command commands are:
 $(print_summaries)
 
-See 'sub help $command' for information on a specific command."
+See 'sub $_SUB_COMMAND_VARS' for information on a specific command."
 
 else
   file="$(command_path "$command")"