Date: Wed, 28 Jun 2006 14:14:50 -0400 (EDT) From: Dan Ponte <dcp1990@neptune.atopia.net> To: FreeBSD-gnats-submit@FreeBSD.org Cc: dan@theamigan.net Subject: bin/99585: [PATCH] Add option to tee(1) to also copy to standard error Message-ID: <200606281814.k5SIEouW033968@fez.theamigan.net> Resent-Message-ID: <200606281820.k5SIKOWS093452@freefall.freebsd.org>
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>Number: 99585
>Category: bin
>Synopsis: [PATCH] Add option to tee(1) to also copy to standard error
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Wed Jun 28 18:20:23 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator: Dan Ponte
>Release: FreeBSD 6.1-STABLE amd64
>Organization:
Unix Users Anonymous
>Environment:
System: FreeBSD fez.theamigan.net 6.1-STABLE FreeBSD 6.1-STABLE #13: Sun Jun 25 23:43:46 EDT 2006 root@fez.theamigan.net:/usr/obj/usr/src/sys/FEZ amd64
>Description:
I recently found myself in a situation where having tee(1) copy to standard error and standard output at the same time would be useful, so I implemented it.
>How-To-Repeat:
Find yourself in said situation.
>Fix:
Diff below.
--- tee.diff begins here ---
diff -ur tee.old/tee.1 tee/tee.1
--- tee.old/tee.1 Wed Jun 28 14:11:16 2006
+++ tee/tee.1 Wed Jun 28 14:07:37 2006
@@ -43,7 +43,7 @@
.Nd pipe fitting
.Sh SYNOPSIS
.Nm
-.Op Fl ai
+.Op Fl ais
.Op Ar
.Sh DESCRIPTION
The
@@ -61,6 +61,8 @@
Ignore the
.Dv SIGINT
signal.
+.It Fl s
+Copy to standard error as well.
.El
.Pp
The following operands are available:
diff -ur tee.old/tee.c tee/tee.c
--- tee.old/tee.c Wed Jun 28 14:11:16 2006
+++ tee/tee.c Wed Jun 28 14:06:37 2006
@@ -71,12 +71,14 @@
LIST *p;
int n, fd, rval, wval;
char *bp;
- int append, ch, exitval;
+ int append, ch, exitval, sterrout;
char *buf;
#define BSIZE (8 * 1024)
append = 0;
- while ((ch = getopt(argc, argv, "ai")) != -1)
+ sterrout = 0;
+
+ while ((ch = getopt(argc, argv, "ais")) != -1)
switch((char)ch) {
case 'a':
append = 1;
@@ -84,6 +86,9 @@
case 'i':
(void)signal(SIGINT, SIG_IGN);
break;
+ case 's':
+ sterrout = 1;
+ break;
case '?':
default:
usage();
@@ -96,6 +101,9 @@
add(STDOUT_FILENO, "stdout");
+ if (sterrout)
+ add(STDERR_FILENO, "stderr");
+
for (exitval = 0; *argv; ++argv)
if ((fd = open(*argv, append ? O_WRONLY|O_CREAT|O_APPEND :
O_WRONLY|O_CREAT|O_TRUNC, DEFFILEMODE)) < 0) {
@@ -125,7 +133,7 @@
static void
usage(void)
{
- (void)fprintf(stderr, "usage: tee [-ai] [file ...]\n");
+ (void)fprintf(stderr, "usage: tee [-ais] [file ...]\n");
exit(1);
}
--- tee.diff ends here ---
>Release-Note:
>Audit-Trail:
>Unformatted:
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