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Misc ScriptsParsing...
An easy way to parse command line options with or without values in a Bash or variant script file.
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Misc ScriptsParsing...Parsing Script Command Line Arguments
Wednesday, January 19, 2005 by digitalpeer
for i in $*
do
case $i in
--prefix=*)
PREFIX=`echo $i | sed 's/[-a-zA-Z0-9]*=//'`
;;
--searchpath=*)
SEARCHPATH=`echo $i | sed 's/[-a-zA-Z0-9]*=//'`
;;
--lib=*)
DIR=`echo $i | sed 's/[-a-zA-Z0-9]*=//'`
;;
--default)
DEFAULT=YES
;;
*)
# unknown option
;;
esac
done
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Comment Thursday, August 28, 2008 by
David C. Rankin, J.D.,P.E.
excellent, with a quick mod you can easily handle both long and short options as well:
-p=*|--prefix=*)
-p=*|--prefix=*)
Comment Thursday, February 18, 2010 by
anonymous
Thnxm this really helped!
Comment Monday, May 2, 2011 by
bundacia
You can also use parameter expansion instead of the echo $i | sed... trick so this:
PREFIX=`echo $i | sed 's/[-a-zA-Z0-9]*=//'`
can be replaced with this:
${i#*=}
PREFIX=`echo $i | sed 's/[-a-zA-Z0-9]*=//'`
can be replaced with this:
${i#*=}
Comment Monday, May 2, 2011 by
bundacia
Sorry, that last line should read:
PREFIX=${i#*=}
PREFIX=${i#*=}
