implement generateDigests()

libraries/filesystem

@@ -63,6 +63,26 @@ function download() {
 	return ${RESULT}
 }
 
+#-------------------------------------------------------------------------------
+# Generates a hash file
+# Parameters: %digestfile% %filelist%
+#-------------------------------------------------------------------------------
+function generateDigests() {
+	if [ "${DIGESTS}" != "" ]; then
+		local OUTPUT="${1}"
+		shift
+		local FILELIST="${@}"
+		rm -f ${OUTPUT}
+		for FILE in ${FILELIST}; do
+			[ ! -f ${FILE} ] && return 1
+			for DIGEST in ${DIGESTS}; do
+				shash -a ${DIGEST} ${FILE} >> ${OUTPUT}
+			done
+		done
+	fi
+	return 0
+}
+
 #-------------------------------------------------------------------------------
 # Creates all 'core' directories necessary for EzBuild to operate
 #-------------------------------------------------------------------------------