Find JAR files and searches their content listings for a given pattern

jarfind.sh

#!/bin/bash

# Default behavior is scan directory recursively

if [ "x$1" == "x" ]; then
  echo "Find JAR files and searches their content listings for a given pattern"
  echo
  echo "Usage: jarfind [-l] <SEARCHTERM> [[DIR] ...]"
  echo
  echo "If DIRs is empty, $HOME/.m2/repository is searched."
  exit 0
fi

if [ "x$1"  = "x-l" ] ; then
  ONLY_FILES=1
  shift
fi

SEARCH="$1"

shift

if [ "x$1" = "x" ]; then
    JARS="$(find $HOME/.m2/repository -iname \*\.jar)"
  else
    JARS=""
    for i in $* ; do
      JARS="$JARS $(find $i -iname \*\.jar)"
    done
fi

for i in $JARS; do
    RESULT="$(unzip -l $i | grep -i $SEARCH)"
    if  [ "x$RESULT" != "x" ] ; then
      echo Jarfile: $i
      if [ "x${ONLY_FILES}" != "x1" ] ; then
        # we rerun the search command to have colored output fronm grep
        unzip -l $i | grep --color -i $SEARCH
      fi
   fi
done