classpath.sh -- build classpaths

classpath.sh

#/bin/bash
# strings together all of its arguments into a Java classpath, useful for
# grabbing all of the jars in a directory like so:
#   classpath.sh lib/*.jar
# 

usage(){
	echo "Usage: $0 /path/to/*.jar"
	exit 1
}

# invoke  usage
# call usage() function if /path/to/*.jar files not supplied
[[ $# -eq 0 ]] && usage

DELIM=
CLASSPATH=
for PATH_PART in "$@"
do
  CLASSPATH="$CLASSPATH$DELIM$PATH_PART"
  DELIM=:
done
echo $CLASSPATH