Skip to content

Instantly share code, notes, and snippets.

@elliotboney
Forked from jehiah/simple_args_parsing.sh
Created July 17, 2018 17:53
Show Gist options
  • Save elliotboney/3154aa7c79933951e652215fe06c4308 to your computer and use it in GitHub Desktop.
Save elliotboney/3154aa7c79933951e652215fe06c4308 to your computer and use it in GitHub Desktop.
a simple way to parse shell script arguments
#!/bin/sh
#
# a simple way to parse shell script arguments
#
# please edit and use to your hearts content
#
ENVIRONMENT="dev"
DB_PATH="/data/db"
function usage()
{
echo "if this was a real script you would see something useful here"
echo ""
echo "./simple_args_parsing.sh"
echo "\t-h --help"
echo "\t--environment=$ENVIRONMENT"
echo "\t--db-path=$DB_PATH"
echo ""
}
while [ "$1" != "" ]; do
PARAM=`echo $1 | awk -F= '{print $1}'`
VALUE=`echo $1 | awk -F= '{print $2}'`
case $PARAM in
-h | --help)
usage
exit
;;
--environment)
ENVIRONMENT=$VALUE
;;
--db-path)
DB_PATH=$VALUE
;;
*)
echo "ERROR: unknown parameter \"$PARAM\""
usage
exit 1
;;
esac
shift
done
echo "ENVIRONMENT is $ENVIRONMENT";
echo "DB_PATH is $DB_PATH";
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment