#!/bin/bash # Changes a file to all uppercase. E_BADARGS=65 if [ -z "$1" ] # Standard check for command line arg. then echo "Usage: `basename $0` filename" exit $E_BADARGS fi tr a-z A-Z <"$1" # Same effect as above, but using POSIX character set notation: # tr '[:lower:]' '[:upper:]' <"$1" # Thanks, S.C. exit 0 # Exercise: # Rewrite this script to give the option of changing a file #+ to *either* upper or lowercase.AskApache Web Development