Bash scripting

[Bryce C]

Jeffrey Pyne <jpyne@worldatwork.org> a écrit :

> How about using the "shift" shell builtin?  It moves $2 to $1, $3 to $2,
> etc.  For example:
> 
> while [ "$#" -ne 0 ]
> do
> 	case "$1" in
> 	noblah)
> 		echo Not doing blah.
> 		;;
> 	*)
> 		echo Doing blah;
> 		;;
> 	esac
> 	case "$1" in
>  	nothis)
>  		echo Not doing this.
> 		;;
> 	*)
> 		echo Doing this
> 		;;
> 	esac
> 
> 	shift
> done
> 
> Also, depending on what you are doing, the "getopts" shell builtin may be
> able to help.  Documentation for shift and getopts can be found in the
> bash(1) manpage.
> 
> Hope that helps,
> ~Jeff
> 
> On Monday, July 29, 2002 12:37 PM, Bryce C wrote:
> 
> > Can anyone tell me how, in a bash script, I can move the contents of
> > variable $2 to variable $1 and so on?  I'm writing a bash script to
> > update some stuff but I'd like to be able to type 
> > script.sh noblah noit nothat
> > but everything is defaulted yes.
> > Currently., my script is something like
> > case "$1" in
> > 	noblah)
> > 		echo Not doing blah.
> > 		$1="$2"
> > 	;;
> > 	*)
> > 		echo Doing blah;
> > 	;;
> > esac
> > case "$1" in
> > 	nothis)
> > 		echo Not doing this.
> > 		$1="$2"
> > 	;;
> > 	*)
> > 		echo Doing this
> > 	;;
> > esac
> > 
> > That sort of thing.  Can anyone help?  Perhaps a nice online 
> > reference? 
> > No books though, I don't have the money or time to buy one.
> > 
> > Thanks,
> > -- 
> > Bryce Chidester
> > Network Administrator
> > CoBryce Communications
> > Bryce AT BryceCo DOT Net
> > http://www.bryceco.net
> 
> > 
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Bryce C.
Network Administrator
CoBryce Communications
Bryce@BryceCo.Net
http://www.BryceCo.Net