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Full Discussion: find -ctime
Top Forums Shell Programming and Scripting find -ctime Post 302730239 by alister on Monday 12th of November 2012 11:17:32 AM
Old 11-12-2012
Quote:
Originally Posted by drd0spt
Code:
[ ${cat teste.txt | grep -c $startdate } -lt 0]

Ignoring the command substitution syntax error of using braces, ${ ... }, instead of parenthesis, $( ... ), that expression is never true. grep's count is always non-negative and you're testing for a negative.

Regards,
Alister
 

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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 invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, 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 the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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