AIX 4.2 Korn shell and grep question Post: 302256883

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Operating Systems AIX AIX 4.2 Korn shell and grep question Post 302256883 by Browser_ice on Monday 10th of November 2008 08:26:19 PM

11-10-2008

Registered User

Quote:

Originally Posted by bakunin

Ok, i retried it on AIX - same result as in Cygwin:

Code:

bakunin@aix_5_2:/tmp> cat test.asc
x(xx,x,x,,,x,x,9999,,x,,,xx,,,xxxx,,,,,,,,,,,,,,,,,,999,
x(xx,x,x,,,x,x,8888,,x,,,xx,,,xxxx,,,,,,,,,,,,,,,,,,999,
bakunin@aix_5_2:/tmp> grep "^\([^,]*,\)\{7\}9999" test.asc
x(xx,x,x,,,x,x,9999,,x,,,xx,,,xxxx,,,,,,,,,,,,,,,,,,999,
bakunin@aix_5_2:/tmp> grep "^\([^,]*,\)\{7\}8888" test.asc
x(xx,x,x,,,x,x,8888,,x,,,xx,,,xxxx,,,,,,,,,,,,,,,,,,999,
bakunin@aix_5_2:/tmp> grep "^\([^,]*,\)\{33\}999" test.asc
x(xx,x,x,,,x,x,9999,,x,,,xx,,,xxxx,,,,,,,,,,,,,,,,,,999,
x(xx,x,x,,,x,x,8888,,x,,,xx,,,xxxx,,,,,,,,,,,,,,,,,,999,
bakunin@aix_5_2:/tmp> what /usr/bin/grep
/usr/bin/grep:
        61      1.14  src/bos/usr/ccs/lib/libc/__threads_init.c, libcthrd, bos520 7/11/00 12:04:14
        46      1.72.2.3  src/bos/usr/bin/grep/grep.c, cmdscan, bos52L, l2005_19B0 4/14/05 04:52:19

I could test with other versions of AIX, but i suppose there would be no difference. Is in your data any non-printing character or something like that? have you tried the command outside of the script? Maybe its one of these "obvious" yet hard to find things one tends to think about always last.

I hope this helps.

bakunin

There are no non-printing characters and I did those tests on the command line.

I did a what /usr/bin/grep and got (typed it as no way of copy/paste):
46 1.59 src/bos/usr/bin/grep/grep.c, cmdscan, box420, 9613T 12/19/95 08:22:09

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zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  is used to invoke the grep on compress'ed or gzip'ed files. All options specified are passed directly to grep.  If no file is speci-
       fied, then the standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed	if  necessary  and
       fed to grep.

       If  zgrep  is invoked as zegrep or zfgrep then egrep or fgrep is used instead of grep.  If the GREP environment variable is set, zgrep uses
       it as the grep program to be invoked. For example:

	   for sh:  GREP=fgrep	zgrep string files
	   for csh: (setenv GREP fgrep; zgrep string files)

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), egrep(1), fgrep(1), zdiff(1), zmore(1), znew(1), zforce(1), gzip(1), gzexe(1)

																	  ZGREP(1)

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