12-05-2014
Hello Corona688
I mentioned security, and what I had in mind at that moment was protection from buffer over-runs, sql-insertions, and the like. The script presented here has the markings of an 'out-facing' app used by...who knows? I just don't think bash would be the best choice out there in the wild wild west.
System calls are common...bash does it better sometimes (thinking of grep vs Perl grep for example).
Cheers.
Last edited by ongoto; 12-05-2014 at 04:21 PM..
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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)