go-wc

A simple wc implementation in Go.

usage

  -c 
        Count the bytes in a file
  -l 
        Count the number of lines in a file
  -w 
        Count the number of words in a file
  -m 
        Count the number or characters in a file

  call the binary with no flags to get the lines, words and bytes

speed

Tested by running the command on The Art of War a thousand times.

go-wc

$ time for i in {1..1000}; do ./go-wc test.txt > /dev/null; done

  real	0m5.469s
  user	0m4.008s
  sys	0m1.651s

wc

$ time for i in {1..1000}; do wc test.txt > /dev/null; done

  real	0m3.430s
  user	0m2.801s
  sys	0m0.645s