Acts like the Unix/Linux md5sum command to calculate and display MD5 digests

(in hex) of files or strings.

exec/md5sum.js

+/* md5sum.js */
+
+/* Calculate and displays MD5 digest (in hex) of specified file or string */
+
+/* $Id$ */
+
+var filename;
+var binary=true;
+
+for(i=0;i<argc;i++) {
+	if(argv[i].substring(0,2)=="-s") {
+		print(md5_calc(argv[i].substr(2),true));
+		exit();
+	}
+	else if(argv[i]=="-b" || argv[i]=="--binary")
+		binary=true;
+	else if(argv[i]=="-t" || argv[i]=="--text")
+		binary=false;
+	else
+		filename = argv[i];
+}
+
+if(!filename) {
+	alert("no filename specified");
+	exit();
+}
+
+file = new File(filename);
+print("opening ", filename);
+if(!file.open(binary ? "rb" : "r")) {
+	alert("!Error " + file.error + " opening " + filename);
+	exit();
+}
+print(file.md5_hex, " ", binary ? "*":" ", filename);
+file.close();