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Top Forums Shell Programming and Scripting Problem with occurence of square brackets Post 302905388 by CarloM on Wednesday 11th of June 2014 09:36:11 AM
Old 06-11-2014
I'm not familiar with perl regex, but you could do it it sed by using 2 substitutions:
Code:
$ cat ~/tmp/file.txt
this is spam [i need this] and i need this too
this is spam [i need this][but not this] and i need this too
this is spam [i need this][but not this] [or this ] and i need this too
$  sed 's/^[^[]*\[\([^]]*\)\]/\1/g; s/\[[^]]*\]//g' ~/tmp/file.txt
i need this and i need this too
i need this and i need this too
i need this  and i need this too

This User Gave Thanks to CarloM For This Post:
 

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RAZOR-AGENTS(1) 					User Contributed Perl Documentation					   RAZOR-AGENTS(1)

NAME
Razor-Agents - Collection of files for checking, reporting, and revoking spam DESCRIPTION
Vipul's Razor is a distributed, collaborative, spam detection, reporting, and filtering network. The primary focus of the system is to identify and remove all email spam from the internet. Visit the website at http://razor.sourceforge.net/. USAGE
First a razorhome directory should be created where log, conf, and cached server information will live. This is done via "-create" option to razor-admin(1). See man page for details. You can immediately check spam using razor-check(1). See man page for details. To report spam, an identity must be registered. This is done via "-register" option to razor-admin(1). After that, razor-report(1) and razor-revoke(1) will work flawlessly. CONFIGURATION
All Razor-Agents share a configuration file. The contents of the configuration file are detailed in the razor-agent.conf(5) manpage. Config file is computed before razorhome, in the following order: -conf=/path/file.conf used if readable, else <home>/.razor/razor-agent.conf used if readable, else /etc/razor/razor-agent.conf used if readable, else all defaults are used. To see configuration defaults, do razor-admin -create -conf=/tmp/razor2-defaults.conf RAZORHOME
All Razor-Agents also share a razorhome directory, where identity, logging, and cached information about servers is stored. Razorhome is computed after configuration file, in the following order. -home=/tmp/razor/ used if readable, else 'razorhome' from configuration file used if readable, else <home>/.razor/ used if readable, else <home>/.razor/ is created. if that fails, no razorhome. NOTE: If there is no razorhome, razor-report and razor-revoke will not work unless you specify -ident=/path/identity razor-check will still work. FILES
Besides those listed at the end with their own manpages, Razor Agents also has the following files. razorhome/identity Usually a symlink to identity file containing user+pass. Used by razor-report(1) and razor-revoke(1). razorhome/razor-agent.log Default log file. To change, edit razor-agent.conf(5). razorhome/servers.*.lst Cached list of Razor Servers. If more than one, they are ordered by closest ping time. razorhome/server.<name>.lst Cached info for <name> server. The "srl" key in this file is compared against the server greeting, and if server's is greater, new cache info is retrieved from the server. EXAMPLES
razor-check -d -debuglevel=9 mbox Checks spam in mbox. prints numbers for those found to be spam. -d logs to stdout, -debuglevel=9 is verbose logging razor-admin -create -home=/home/chad/.razor -d -s Creates razorhome in /home/chad/.razor, log to stdout, does not connect to server (-s simulate). razor-report spam -debuglevel=0 sends spam to server, with no log msgs. AUTHORS
Vipul Ved Prakash, <mail@vipul.net> and Chad Norwood <chad@samo.org> SEE ALSO
razor-agent.conf(5), razor-check(1), razor-admin(1), razor-report(1), razor-revoke(1), razor-whitelist(5) perl v5.12.1 2004-12-03 RAZOR-AGENTS(1)
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