Patch from mdm@google.com...

third_party/xdg-utils/tests/include/tempfile.sh

Index: third_party/xdg-utils/tests/include/tempfile.sh
===================================================================
--- third_party/xdg-utils/tests/include/tempfile.sh	(revision 0)
+++ third_party/xdg-utils/tests/include/tempfile.sh	(revision 0)
@@ -0,0 +1,47 @@
+## Created 7/14/2006 by Tom Whipple <tom.whipple@intel.com>
+
+## create a globally unique identifier (GUID)
+## note that this is LIKELY to be unique, but not 100% guaranteed.
+get_guid() {
+	prefix=$1
+	now=`date '+%F-%H%M%S.%N'`
+	GUID="$prefix$now-$RANDOM"
+}
+
+get_tmpsubdir() {
+	if [ ! -z "$1" ] ; then
+		tmp="$1"
+	else
+		tmp=${TMPDIR-/tmp}
+	fi
+	if [ -z "$GUID" ] ; then
+		get_guid
+	fi
+	TMPSUBDIR="$tmp/$GUID-$$"
+	(umask 000 && mkdir -p $TMPSUBDIR) || {
+		echo "Could not create temporary directory!" >&2 
+		exit 255
+	}
+}
+
+get_shortid() {
+	seqfile=$1
+
+	today=`date '+%m-%d'`
+
+	if [ -f "$seqfile" ] ; then	
+		seqdate=`cat $seqfile | cut -d '+' -f 1 -`
+		if [ "$today" = "$seqdate" ] ; then
+			seq=$(( `cat $seqfile | cut -d '+' -f 2 -` + 1 ))
+		else
+			seq=1
+		fi
+	else
+		seq=1
+	fi
+
+	SHORTID="$today+$seq"
+	echo "$SHORTID" > "$seqfile"
+	
+}
+