From 797210242d532afcaa73235602f4a1caad707ded Mon Sep 17 00:00:00 2001 From: katarzynakaz Date: Sat, 7 Feb 2026 13:06:03 +0000 Subject: [PATCH] individual shell toold --- individual-shell-tools/awk/script-01.sh | 1 + individual-shell-tools/awk/script-02.sh | 1 + individual-shell-tools/awk/script-03.sh | 1 + individual-shell-tools/awk/script-04.sh | 1 + individual-shell-tools/awk/script-05.sh | 1 + individual-shell-tools/awk/script-07-stretch.sh | 1 + individual-shell-tools/cat/script-01.sh | 1 + individual-shell-tools/cat/script-02.sh | 1 + individual-shell-tools/cat/script-03.sh | 1 + individual-shell-tools/grep/script-01.sh | 1 + individual-shell-tools/grep/script-02.sh | 1 + individual-shell-tools/grep/script-03.sh | 1 + individual-shell-tools/grep/script-04.sh | 1 + individual-shell-tools/grep/script-05.sh | 1 + individual-shell-tools/grep/script-06.sh | 1 + individual-shell-tools/grep/script-07.sh | 1 + individual-shell-tools/ls/script-01.sh | 1 + individual-shell-tools/ls/script-03.sh | 1 + individual-shell-tools/ls/script-04.sh | 1 + individual-shell-tools/sed/script-01.sh | 2 ++ individual-shell-tools/sed/script-02.sh | 2 ++ individual-shell-tools/sed/script-03.sh | 1 + individual-shell-tools/sed/script-04.sh | 2 ++ individual-shell-tools/sed/script-05.sh | 15 +++++++++++++++ individual-shell-tools/sed/script-06.sh | 1 + individual-shell-tools/wc/script-01.sh | 1 + individual-shell-tools/wc/script-02.sh | 2 ++ individual-shell-tools/wc/script-03.sh | 1 + 28 files changed, 46 insertions(+) diff --git a/individual-shell-tools/awk/script-01.sh b/individual-shell-tools/awk/script-01.sh index 8db4390a..824e4c58 100755 --- a/individual-shell-tools/awk/script-01.sh +++ b/individual-shell-tools/awk/script-01.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output just the names of each player in `scores-table.txt`. # Your output should contain 6 lines, each with just one word on it. +awk '{print $1}' scores-table.txt \ No newline at end of file diff --git a/individual-shell-tools/awk/script-02.sh b/individual-shell-tools/awk/script-02.sh index 5956be9b..da34660a 100755 --- a/individual-shell-tools/awk/script-02.sh +++ b/individual-shell-tools/awk/script-02.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output the names of each player, as well as their city. # Your output should contain 6 lines, each with two words on it, separated by a space. +awk '{print $1, $2}' scores-table.txt diff --git a/individual-shell-tools/awk/script-03.sh b/individual-shell-tools/awk/script-03.sh index af7c6e8b..55c51c48 100755 --- a/individual-shell-tools/awk/script-03.sh +++ b/individual-shell-tools/awk/script-03.sh @@ -5,3 +5,4 @@ set -euo pipefail # TODO: Write a command to output just the names of each player along with the score from their first attempt. # Your output should contain 6 lines, each with one word and one number on it. # The first line should be "Ahmed 1". +awk '{print $1, $3}' scores-table.txt diff --git a/individual-shell-tools/awk/script-04.sh b/individual-shell-tools/awk/script-04.sh index bf15703c..e28e5445 100755 --- a/individual-shell-tools/awk/script-04.sh +++ b/individual-shell-tools/awk/script-04.sh @@ -5,3 +5,4 @@ set -euo pipefail # TODO: Write a command to output just the names of each player in London along with the score from their last attempt. # Your output should contain 3 lines, each with one word and one number on it. # The first line should be "Ahmed 4". +awk '$2 == "London" {print $1, $NF}' scores-table.txt diff --git a/individual-shell-tools/awk/script-05.sh b/individual-shell-tools/awk/script-05.sh index d1680cb0..0e36a1d1 100755 --- a/individual-shell-tools/awk/script-05.sh +++ b/individual-shell-tools/awk/script-05.sh @@ -5,3 +5,4 @@ set -euo pipefail # TODO: Write a command to output just the names of each player along with the number of times they've played the game. # Your output should contain 6 lines, each with one word and one number on it. # The first line should be "Ahmed 3". +awk '{print $1, NF-2}' scores-table.txt diff --git a/individual-shell-tools/awk/script-07-stretch.sh b/individual-shell-tools/awk/script-07-stretch.sh index 3f715588..6d1a4fab 100755 --- a/individual-shell-tools/awk/script-07-stretch.sh +++ b/individual-shell-tools/awk/script-07-stretch.sh @@ -7,3 +7,4 @@ set -euo pipefail # TODO: Write a command to output just the names of each player along with the total of adding all of that player's scores. # Your output should contain 6 lines, each with one word and one number on it. # The first line should be "Ahmed 15". The second line should be "Basia 37" +awk '{print $1, {sum +=2} END {print sum}' scores-table.txt \ No newline at end of file diff --git a/individual-shell-tools/cat/script-01.sh b/individual-shell-tools/cat/script-01.sh index c85053e0..94ceeb4f 100755 --- a/individual-shell-tools/cat/script-01.sh +++ b/individual-shell-tools/cat/script-01.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output the contents of the helper-1.txt file inside the helper-files directory to the terminal. # The output of this command should be "Once upon a time...". +cat ../helper-files/helper-1.txt \ No newline at end of file diff --git a/individual-shell-tools/cat/script-02.sh b/individual-shell-tools/cat/script-02.sh index 01bbd5ea..acf515e2 100755 --- a/individual-shell-tools/cat/script-02.sh +++ b/individual-shell-tools/cat/script-02.sh @@ -11,3 +11,4 @@ set -euo pipefail # It looked delicious. # I was tempted to take a bite of it. # But this seemed like a bad idea... +cat ../helper-files/*.txt diff --git a/individual-shell-tools/cat/script-03.sh b/individual-shell-tools/cat/script-03.sh index 37573b0c..dd6b1d8b 100755 --- a/individual-shell-tools/cat/script-03.sh +++ b/individual-shell-tools/cat/script-03.sh @@ -9,3 +9,4 @@ set -euo pipefail # 1 It looked delicious. # 2 I was tempted to take a bite of it. # 3 But this seemed like a bad idea... +cat -n ../helper-files/helper-3.txt diff --git a/individual-shell-tools/grep/script-01.sh b/individual-shell-tools/grep/script-01.sh index fb05f42f..f374150c 100755 --- a/individual-shell-tools/grep/script-01.sh +++ b/individual-shell-tools/grep/script-01.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output every line in dialogue.txt said by the Doctor. # The output should contain 6 lines. +grep "^Doctor:" dialogue.txt diff --git a/individual-shell-tools/grep/script-02.sh b/individual-shell-tools/grep/script-02.sh index df6f8564..5ba3119d 100755 --- a/individual-shell-tools/grep/script-02.sh +++ b/individual-shell-tools/grep/script-02.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output every line in dialogue.txt that contains the word Doctor (regardless of case). # The output should contain 9 lines. +grep -i "Doctor" dialogue.txt diff --git a/individual-shell-tools/grep/script-03.sh b/individual-shell-tools/grep/script-03.sh index 5383fe57..517101ee 100755 --- a/individual-shell-tools/grep/script-03.sh +++ b/individual-shell-tools/grep/script-03.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output the number of lines in dialogue.txt that contain the word Doctor (regardless of case). # The output should be exactly the number 9. +grep -ic "Doctor" dialogue.txt diff --git a/individual-shell-tools/grep/script-04.sh b/individual-shell-tools/grep/script-04.sh index 80ee0477..42a5653c 100755 --- a/individual-shell-tools/grep/script-04.sh +++ b/individual-shell-tools/grep/script-04.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output every line in dialogue.txt that does not contain the word "Hello" (regardless of case). # The output should contain 10 lines. +grep -iv "Hello" dialogue.txt diff --git a/individual-shell-tools/grep/script-05.sh b/individual-shell-tools/grep/script-05.sh index 1eb53818..8754273d 100755 --- a/individual-shell-tools/grep/script-05.sh +++ b/individual-shell-tools/grep/script-05.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output every line in dialogue.txt that contains the string "cure", as well as the line before that line. # The output should contain two pairs of two lines of text (with a separator between them). +grep -B1 "cure" dialogue.txt diff --git a/individual-shell-tools/grep/script-06.sh b/individual-shell-tools/grep/script-06.sh index 5670e3b6..0e8244ff 100755 --- a/individual-shell-tools/grep/script-06.sh +++ b/individual-shell-tools/grep/script-06.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output the name of every `.txt` file in this directory which contains a line of dialogue said by the Doctor. # The output should contain two filenames. +grep -l "^Doctor:" *.txt diff --git a/individual-shell-tools/grep/script-07.sh b/individual-shell-tools/grep/script-07.sh index 9670ebad..9fabc87f 100755 --- a/individual-shell-tools/grep/script-07.sh +++ b/individual-shell-tools/grep/script-07.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output, for each `.txt` file in this directory, how many lines of dialogue the Doctor has. # The output should show that dialogue.txt contains 6 lines, dialogue-2.txt contains 2, and dialogue-3.txt contains 0. +grep -c "^Doctor:" *.txt diff --git a/individual-shell-tools/ls/script-01.sh b/individual-shell-tools/ls/script-01.sh index 241b62f5..0641b0f3 100755 --- a/individual-shell-tools/ls/script-01.sh +++ b/individual-shell-tools/ls/script-01.sh @@ -13,3 +13,4 @@ fi # TODO: Write a command to list the files and folders in this directory. # The output should be a list of names including child-directory, script-01.sh, script-02.sh, and more. +ls \ No newline at end of file diff --git a/individual-shell-tools/ls/script-03.sh b/individual-shell-tools/ls/script-03.sh index 781216d2..7a1a1d31 100755 --- a/individual-shell-tools/ls/script-03.sh +++ b/individual-shell-tools/ls/script-03.sh @@ -5,3 +5,4 @@ set -euo pipefail # TODO: Write a command which _recursively_ lists all of the files and folders in this directory _and_ all of the files inside those folders. # The output should be a list of names including: child-directory, script-01.sh, helper-1.txt (and more). # The formatting of the output doesn't matter. +ls -R \ No newline at end of file diff --git a/individual-shell-tools/ls/script-04.sh b/individual-shell-tools/ls/script-04.sh index 72f3817b..86e1d697 100755 --- a/individual-shell-tools/ls/script-04.sh +++ b/individual-shell-tools/ls/script-04.sh @@ -21,3 +21,4 @@ echo "Second exercise (sorted oldest to newest):" # TODO: Write a command which does the same as above, but sorted in the opposite order (oldest first). # The output should be a list of names in this order, one per line: helper-2.txt, helper-1.txt, helper-3.txt. +ls -tr child-directory \ No newline at end of file diff --git a/individual-shell-tools/sed/script-01.sh b/individual-shell-tools/sed/script-01.sh index 3eba6fa4..39ba656d 100755 --- a/individual-shell-tools/sed/script-01.sh +++ b/individual-shell-tools/sed/script-01.sh @@ -5,3 +5,5 @@ set -euo pipefail # TODO: Write a command to output input.txt with all occurrences of the letter `i` replaced with `I`. # The output should contain 11 lines. # The first line of the output should be: "ThIs Is a sample fIle for experImentIng with sed.". +sed 's/i/I/g' input.txt +# sed 's/i/I' input.txt only first occurence diff --git a/individual-shell-tools/sed/script-02.sh b/individual-shell-tools/sed/script-02.sh index abdd64d0..78050aaa 100755 --- a/individual-shell-tools/sed/script-02.sh +++ b/individual-shell-tools/sed/script-02.sh @@ -5,3 +5,5 @@ set -euo pipefail # TODO: Write a command to output input.txt with numbers removed. # The output should contain 11 lines. # Line 6 of the output should be " Alisha". +sed 's/[0-9]//g' input.txt +# /empty to replacewithnothing/ \ No newline at end of file diff --git a/individual-shell-tools/sed/script-03.sh b/individual-shell-tools/sed/script-03.sh index dd284a29..02b29409 100755 --- a/individual-shell-tools/sed/script-03.sh +++ b/individual-shell-tools/sed/script-03.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output input.txt removing any line which contains a number. # The output should contain 6 lines. +sed '/[0-9]/d' input.txt \ No newline at end of file diff --git a/individual-shell-tools/sed/script-04.sh b/individual-shell-tools/sed/script-04.sh index 0052ac6c..dc8180ed 100755 --- a/individual-shell-tools/sed/script-04.sh +++ b/individual-shell-tools/sed/script-04.sh @@ -4,3 +4,5 @@ set -euo pipefail # TODO: Write a command to output input.txt replacing every occurrence of the string "We'll" with "We will". # The output should contain 11 lines. +sed "s/We'll/We will/g" input.txt +# sed "s/We'll/We will/" input.txt first occurence only diff --git a/individual-shell-tools/sed/script-05.sh b/individual-shell-tools/sed/script-05.sh index 2dcc91a0..3b0d8f85 100755 --- a/individual-shell-tools/sed/script-05.sh +++ b/individual-shell-tools/sed/script-05.sh @@ -6,3 +6,18 @@ set -euo pipefail # If a line starts with a number and a space, make the line instead end with a space and the number. # So line 6 which currently reads "37 Alisha" should instead read "Alisha 37". # The output should contain 11 lines. +# --regexp-extended for less slashes +sed '/^[0-9]\+ / s/^\([0-9]\+\) \(.*\)/\2 \1/' input.txt + +sed 's|^\([0-9]*\) \(.*\)|\2 \1|' input.txt +sed 's#^\([0-9][0-9]*\) \(.*\)#\2 \1#' input.txt + +# s/ pattern / replacement / if global +# so + +# [^ ] match any not spaces +# ^start of line +# \([0-9]*\ all occurances at start of line +# \2 \1 swap order +sed -E 's/^([0-9]+) (.*)$/\2 \1/' input.txt +# -E to avoid escape and use + \ No newline at end of file diff --git a/individual-shell-tools/sed/script-06.sh b/individual-shell-tools/sed/script-06.sh index 0b939017..51a6f3ad 100755 --- a/individual-shell-tools/sed/script-06.sh +++ b/individual-shell-tools/sed/script-06.sh @@ -8,3 +8,4 @@ set -euo pipefail # The output should contain 11 lines. # Line 3 should be "It contains many lines, and there are some things you may want to do with each of them.". # Line 11 should be "We also should remember, when we go shopping, to get 4 items: oranges, cheese, bread, olives.". +sed 's/, \([^ ]\)/, \1/g' input.txt diff --git a/individual-shell-tools/wc/script-01.sh b/individual-shell-tools/wc/script-01.sh index c9dd6e5d..c944eeaf 100755 --- a/individual-shell-tools/wc/script-01.sh +++ b/individual-shell-tools/wc/script-01.sh @@ -4,3 +4,4 @@ set -euo pipefail # TODO: Write a command to output the number of words in the file helper-files/helper-3.txt. # The output should include the number 19. The output should not include the number 92. +wc -w ../helper-files/helper-3.txt diff --git a/individual-shell-tools/wc/script-02.sh b/individual-shell-tools/wc/script-02.sh index 8feeb1a6..59137185 100755 --- a/individual-shell-tools/wc/script-02.sh +++ b/individual-shell-tools/wc/script-02.sh @@ -4,3 +4,5 @@ set -euo pipefail # TODO: Write a command to output the number of lines in the file helper-files/helper-3.txt. # The output should include the number 3. The output should not include the number 19. +wc -l ../helper-files/helper-3.txt +nl ../helper-files/helper-3.txt \ No newline at end of file diff --git a/individual-shell-tools/wc/script-03.sh b/individual-shell-tools/wc/script-03.sh index 6b2e9d3d..8be8a27a 100755 --- a/individual-shell-tools/wc/script-03.sh +++ b/individual-shell-tools/wc/script-03.sh @@ -8,3 +8,4 @@ set -euo pipefail # 1 7 39 ../helper-files/helper-2.txt # 3 19 92 ../helper-files/helper-3.txt # 5 30 151 total +wc ../helper-files/*.txt \ No newline at end of file