nand2tetris software suite

1 files changed, 36 insertions, 0 deletions

diff --git a/tools/TextComparer.sh b/tools/TextComparer.sh
new file mode 100755
index 0000000..c8b08af
--- /dev/null
+++ b/tools/TextComparer.sh
@@ -0,0 +1,36 @@
+#!/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