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Issue a warning if -r is used without a directory:

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grep: warning: recursive search of stdin

Patch from:
	http://savannah.gnu.org/patch/?6474
originally from:
	http://www.opensource.apple.com/darwinsource/Current/grep-24/patches/PR-4053512.diff
This commit is contained in:
lukem 2008-08-28 03:59:06 +00:00
parent fbe5f55fce
commit 68640ea669
1 changed files with 7 additions and 2 deletions
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7
gnu/dist/grep/src/grep.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: grep.c,v 1.11 2006/01/19 17:50:33 wiz Exp $ */
/* $NetBSD: grep.c,v 1.12 2008/08/28 03:59:06 lukem Exp $ */
/* grep.c - main driver file for grep.
Copyright 1992, 1997-1999, 2000 Free Software Foundation, Inc.
@ -1743,7 +1743,12 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"))
while ( ++optind < argc);
}
else
{
if (directories == RECURSE_DIRECTORIES) {
error (0, 0, _("warning: recursive search of stdin"));
}
status = grepfile ((char *) NULL, &stats_base);
}
/* We register via atexit() to test stdout. */
exit (errseen ? 2 : status);