Enhance uuencode with a -r option to produce raw output.

This matches with uudecode's -r option to decode raw data without initial and
final framing lines.

$ echo Test | uuencode -mr - | uudecode -mr
Test

Approved by:	cognet
MFC after:		1 week

1 files changed, 13 insertions, 5 deletions

diff --git a/usr.bin/uuencode/uuencode.c b/usr.bin/uuencode/uuencode.c
index def8bcc..500dcd3 100644
--- a/usr.bin/uuencode/uuencode.c
+++ b/usr.bin/uuencode/uuencode.c
@@ -66,6 +66,7 @@ static void usage(void);
 
 static FILE *output;
 static int mode;
+static char raw = 0;
 static char **av;
 
 int
@@ -82,7 +83,7 @@ main(int argc, char *argv[])
 	if (strcmp(basename(argv[0]), "b64encode") == 0)
 		base64 = 1;
 
-	while ((ch = getopt(argc, argv, "mo:")) != -1) {
+	while ((ch = getopt(argc, argv, "mo:r")) != -1) {
 		switch (ch) {
 		case 'm':
 			base64 = 1;
@@ -90,6 +91,9 @@ main(int argc, char *argv[])
 		case 'o':
 			outfile = optarg;
 			break;
+		case 'r':
+			raw = 1;
+			break;
 		case '?':
 		default:
 			usage();
@@ -152,7 +156,8 @@ base64_encode(void)
 
 	sequence = 0;
 
-	fprintf(output, "begin-base64 %o %s\n", mode, *av);
+	if (!raw)
+		fprintf(output, "begin-base64 %o %s\n", mode, *av);
 	while ((n = fread(buf, 1, sizeof(buf), stdin))) {
 		++sequence;
 		rv = b64_ntop(buf, n, buf2, (sizeof(buf2) / sizeof(buf2[0])));
@@ -162,7 +167,8 @@ base64_encode(void)
 	}
 	if (sequence % GROUPS)
 		fprintf(output, "\n");
-	fprintf(output, "====\n");
+	if (!raw)
+		fprintf(output, "====\n");
 }
 
 /*
@@ -175,7 +181,8 @@ encode(void)
 	register char *p;
 	char buf[80];
 
-	(void)fprintf(output, "begin %o %s\n", mode, *av);
+	if (!raw)
+		(void)fprintf(output, "begin %o %s\n", mode, *av);
 	while ((n = fread(buf, 1, 45, stdin))) {
 		ch = ENC(n);
 		if (fputc(ch, output) == EOF)
@@ -209,7 +216,8 @@ encode(void)
 	}
 	if (ferror(stdin))
 		errx(1, "read error");
-	(void)fprintf(output, "%c\nend\n", ENC('\0'));
+	if (!raw)
+		(void)fprintf(output, "%c\nend\n", ENC('\0'));
 }
 
 static void