first

来自「Linux程序设计(原书第2版)源码」· 代码 · 共 17 行

#!/bin/sh

# first.sh
# This file looks through all the files in the current
# directory for the string POSIX, and then prints those
# files to the standard output.

for file in *
do
  if grep -q POSIX $file 
  then
    more $file 
  fi
done

exit 0