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Full Discussion: BASH ZCAT EGREP Shell Script
Top Forums Shell Programming and Scripting BASH ZCAT EGREP Shell Script Post 302720089 by pamu on Tuesday 23rd of October 2012 01:03:44 PM
Old 10-23-2012
Quote:
Originally Posted by metallica1973
Code:
zcat /var/log/syslog* |egrep '^`echo $err_date`'
gzip: /var/log/syslog: not in gzip format
gzip: /var/log/syslog.1: not in gzip format

The problem is highlighted in red..

Are you performing operations on .gz files..?

I normally prefer.Smilie

Code:
zcat *.gz | ....

 

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GZFORCE(1)						      General Commands Manual							GZFORCE(1)

NAME
gzforce - force a '.gz' extension on all gzip files SYNOPSIS
gzforce [ name ... ] DESCRIPTION
gzforce forces a .gz extension on all gzip files so that gzip will not compress them twice. This can be useful for files with names trun- cated after a file transfer. On systems with a 14 char limitation on file names, the original name is truncated to make room for the .gz suffix. For example, 12345678901234 is renamed to 12345678901.gz. A file name such as foo.tgz is left intact. SEE ALSO
gzip(1), gznew(1), gzmore(1), gzgrep(1), gzdiff(1), gzexe(1) ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgzip | +--------------------+-----------------+ |Interface Stability | External | +--------------------+-----------------+ NOTES
Source for gzip is available in the SUNWgzipS package. GZFORCE(1)
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