#!/bin/bash # Write the shell program unique, which will discards all but one of successive # identical # -------------------------------------------------------------------- # This is a free shell script under GNU GPL version 2.0 or above # Copyright (C) 2005 nixCraft project. # Feedback/comment/suggestions : http://cyberciti.biz/fb/ # ------------------------------------------------------------------------- # This script is part of nixCraft shell script collection (NSSC) # Visit http://bash.cyberciti.biz/ for more information. # ------------------------------------------------------------------------- echo -n "Enter file name : " read file if [ ! -f $file ] then echo "Not a file" exit 1 fi uniq $file
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nixCraft
Bash Shell Scripting Directory
Is this supposed to teach me about read, uniq or the test command? What s the advantage of creating this script, making it executable and running it instead of just doing uniq ? Why not just read the uniq man page?
You didn’t really _write_ anything if you use the uniq program in the script.