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Full Discussion: Substitute File name
Top Forums Shell Programming and Scripting Substitute File name Post 302110430 by vanand420 on Tuesday 13th of March 2007 02:44:15 AM
Old 03-13-2007
Quote:
Originally Posted by Deal_NoDeal
When you use:
zcat $var2* | grep "^000$var1" >> my_output

It is actually translated to something like this:

zcat 01* | grep ....

So, there is the issue.

If you know that your $var2 contains the exact file name, then remove the "*". Use

zcat $var2 | grep "^000$var1" >> my_output

You can also use the file extension to be safe i.e "zcat $var2.zip".

Or if $var2 doesn't contain the exact file name then try using double quotes around $var*. Like

zcat "$var2*" | grep "^000$var1" >> my_output

Hope this helps.


Dear friend
Already tried all these. But all in vain. Folder contains the files starting with 01.xxxx, 02.xxxxxfg etc some I have to use *. But all attempts fails. Any other Way to do.
 

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LEARN ABOUT NETBSD

zgrep

ZGREP(1)						    BSD General Commands Manual 						  ZGREP(1)

NAME

     zgrep, zegrep, zfgrep -- print lines matching a pattern in gzip-compressed files

SYNOPSIS

     zgrep [grep-flags] [--] pattern [files ...]

     zegrep [grep-flags] [--] pattern [file ...]

     zfgrep [grep-flags] [--] pattern [file ...]

DESCRIPTION

     zgrep runs grep(1) on files or stdin, if no files argument is given, after decompressing them with zcat(1).

     The grep-flags and pattern arguments are passed on to grep(1).  If an -e flag is found in the grep-flags, zgrep will not look for a pattern
     argument.

     zegrep calls egrep(1), while zfgrep calls fgrep(1).

EXIT STATUS

     In case of missing arguments or missing pattern, 1 will be returned, otherwise 0.

SEE ALSO

     egrep(1), fgrep(1), grep(1), gzip(1), zcat(1)

AUTHORS

     Thomas Klausner <wiz@NetBSD.org>

BSD
								 December 28, 2003							       BSD
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