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Full Discussion: Help With Loop in Case Statement script
Top Forums Shell Programming and Scripting Help With Loop in Case Statement script Post 302516202 by Emin_Em on Friday 22nd of April 2011 01:41:06 AM
Old 04-22-2011
Help With Loop in Case Statement script
I am writing a bash script that asks the user for input and I need it to repeat until the user selects quit.. I dont know how to write the loop for it I searched all over but i still do not get it.. if anyone could help with this it would be greatly apprciated here is my script so far:

Code:
#! /bin/bash

if [[ $@ == "username" ]]
then
	echo "Hello, $@!"
	echo "The current directory is $PWD"
	echo "The home directory is $HOME"
else
	echo "Hello Stranger"
fi

echo "Would you like to:"
echo "1) See your name"
echo "2) See your current directory"
echo "3) See your home directory"
echo "4) Quit"
read case;

case $case in 
1) echo "username";;
2) echo "$PWD";;
3) echo "$HOME";;
4) echo "Quit";;

esac 

rep="$case" 

#THIS IS WHAT I DONT GET: it just runs this command like 5 times but does not let me choose a option 

while (( $rep <=1 )) 
do 
echo "Would you like to:"
echo "1) See your name"
echo "2) See your current directory"
echo "3) See your home directory"
echo "4) Quit"
rep=$(( rep+1))
done

I really need help figuring this out
Last edited by pludi; 04-22-2011 at 03:13 AM..
 

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LEARN ABOUT CENTOS

bashbug

BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME

       bashbug - report a bug in bash

SYNOPSIS

       bashbug [--version] [--help] [email-address]

DESCRIPTION

       bashbug	is  a shell script to help the user compose and mail bug reports concerning bash in a standard format.	bashbug invokes the editor
       specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill  in  the  appropriate
       fields  and  exit  the  editor.	 bashbug  then	mails the completed report to bug-bash@gnu.org, or email-address.  If the report cannot be
       mailed, it is saved in the file dead.bashbug in the invoking user's home directory.

       The bug report format outline consists of several sections.  The first section provides information about the  machine,	operating  system,
       the  bash  version, and the compilation environment.  The second section should be filled in with a description of the bug.  The third sec-
       tion should be a description of how to reproduce the bug.  The optional fourth section is for a proposed fix.  Fixes are encouraged.

ENVIRONMENT

       bashbug will utilize the following environment variables if they exist:

       EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs.

       HOME   Directory in which the failed bug report is saved if the mail fails.

       TMPDIR Directory in which to create temporary files and directories.

SEE ALSO

       bash(1)

AUTHORS

       Brian Fox, Free Software Foundation
       bfox@gnu.org

       Chet Ramey, Case Western Reserve University
       chet@po.cwru.edu

GNU Bash-4.0							   1998 July 30 							BASHBUG(1)
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