nand2tetris/nand2tetris-suite/tools/TextComparer.sh

37 lines
1019 B
Bash

#!/usr/bin/env sh
# $Id: TextComparer.sh,v 1.1 2014/06/17 21:14:01 marka Exp $
# mark.armbrust@pobox.com
# User's CDPATH can interfere with cd in this script
unset CDPATH
# Get the true name of this script
script="`test -L "$0" && readlink -n "$0" || echo "$0"`"
dir="$PWD"
cd "`dirname "$script"`"
if [ \( $# -ne 2 \) -o \( "$1" = "-h" \) -o \( "$1" = "--help" \) ]
then
# print usage
echo "Usage:"
echo " `basename "$0"` FILE1 FILE2 Compares FILE1 and FILE2. The success"
echo " message or the first miscompared line"
echo " is printed to the command console."
else
# Convert arg1 to an absolute path
if [ `echo "$1" | sed -e "s/\(.\).*/\1/"` = / ]
then
arg1="$1"
else
arg1="$dir/$1"
fi
# Convert arg2 to an absolute path
if [ `echo "$2" | sed -e "s/\(.\).*/\1/"` = / ]
then
arg2="$2"
else
arg2="$dir/$2"
fi
# echo Comparing "$arg1" "$arg2"
java -classpath "${CLASSPATH}:bin/classes" TextComparer "$arg1" "$arg2"
fi