Scala example source code file (diffPickled)

This example Scala source code file (diffPickled) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

builddir, class, class, cp1, cp2, if, quickdir, strapdir, tmpdir, tmpdir, toolsdir, toolsdir, usage, usage

The Scala diffPickled source code

#!/bin/sh
#
# Shows the difference in pickler output between two variations on a class.
#
# If quick and strap are built normally you can run
#
#   diffPickled foo.bar.Baz
#
# to see any differences between them in that class.

USAGE="Usage: $0 classpath1 classpath2 class"
TOOLSDIR=`dirname $0`
BUILDDIR="${TOOLSDIR}/../build"
QUICKDIR="${BUILDDIR}/quick"
STRAPDIR="${BUILDDIR}/strap"

CP1=""
CP2=""
CLASS=""

if [ $# == 1 ] ; then
  if [ -e ${QUICKDIR} ] && [ -e ${STRAPDIR} ] ; then
    CP1=`${TOOLSDIR}/quickcp`
    CP2=`${TOOLSDIR}/strapcp`
    CLASS=$1
  else
    echo $USAGE
    echo "(If only one argument is given, $QUICKDIR and $STRAPDIR must exist.)"
    exit 1
  fi
elif [ $# == 3 ] ; then
  CP1=$1
  CP2=$2
  CLASS=$3
else
  echo $USAGE
  exit 1
fi

TMPDIR="/tmp/scala_pickle_diff${RANDOM}"

if mkdir -m 0700 "$TMPDIR" 2>/dev/null ; then
  ${TOOLSDIR}/showPickled -cp $CP1 $CLASS > "${TMPDIR}/out1.txt"
  ${TOOLSDIR}/showPickled -cp $CP2 $CLASS > "${TMPDIR}/out2.txt"
  diff "${TMPDIR}/out1.txt" "${TMPDIR}/out2.txt"
  rm -rf ${TMPDIR}
else
  echo "Failed to create temporary directory ${TMPDIR}."
  exit 1
fi