Sponsored Content
Full Discussion: Unix grep in perl script
Top Forums Programming Unix grep in perl script Post 302647313 by Jaymoney on Monday 28th of May 2012 04:08:45 AM
Old 05-28-2012
@in2nix4life

Delicious thanks very much. I knew about perl's grep function but never perceived $_ as a list! duh... Smilie
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

grep ^M in file using perl script....

hi i am using perl on windows ( active state perl 5.8 ) and i want to check for Control-M (^M) in file. files to be checked are in unix format so new line character is (\n). This perl script is called from Batch file ( windows .BAT file ) my script is while (<PROGRAM>) { ... (12 Replies)
Discussion started by: zedex
12 Replies

2. UNIX for Dummies Questions & Answers

Using Grep within a UNIX Script

Hi, I'm trying to save the wc from a grep command in my unix script and then later in my script I try to reference the variable but I have no luck. Any help is greatly appreciated! -------------------- set xTest = 'grep -i lisa daily.log' if ; then echo "TEST" >> daily.log fi... (6 Replies)
Discussion started by: lisa_0801
6 Replies

3. Shell Programming and Scripting

[Help] PERL Script - grep multiple lines

Hi Gurus, I need some help with the "grep" command or whatever command that you think suitable for me. I'm about to write a perl script to extract a report from the system and submit it to the end users. The input for the script will consist of 3 element. 1) Generation ID 2) Month 3) Year... (6 Replies)
Discussion started by: miskin
6 Replies

4. Shell Programming and Scripting

ftp from windows to unix using a perl script on unix machine

i need to ftp a file from windows to a unix machine by executing a sript(perl/shell/php) from that unix machine.i can also use HTML and javascript to build forms. (3 Replies)
Discussion started by: raksha.s
3 Replies

5. Shell Programming and Scripting

Need to grep 2 words from Perl Script results in Terminal....

Hey guys. I have a .pl script that scans my hosts to see if they are down or up. I can run it anytime I want. The script uses a conf file that contains text lines of the IP addresses of the servers. I run the script from the command line of my terminal (MAC OS) I run: sudo ./scanner.pl brings... (3 Replies)
Discussion started by: yoyoyo777
3 Replies

6. Shell Programming and Scripting

perl/unix: script in command line works but not in perl

so in unix this command works works and shows me a list of directories find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt but when i try running a perl script to run this command my $query = 'find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt';... (2 Replies)
Discussion started by: kpddong
2 Replies

7. Shell Programming and Scripting

[Solved] perl and grep: get a script to look at more then one file

hi guys i have this very messy script, that looks in /var/log/messages.all for an error and reports if it finds the key works how can i get it to look at more then one file, i.e /var/log/message.all * so it looks in old logs as well thanks exit 0 if (isRenderNode(hostname)); my... (4 Replies)
Discussion started by: ab52
4 Replies

8. Shell Programming and Scripting

shell or perl script using grep and regex

Hi, I have file stored in a directory containing information about subnet mask and next hop address in the following format 10.1.1.0/16, 255.255.0.0, 10.1.1.1 10.1.2.0/16, 255.255.0.0,10.1.2.1 here 10.1.1.0/16 represent range of ip address 10.1.1.1-10.1.1.16 given say an IP address... (1 Reply)
Discussion started by: termeric
1 Replies

9. Shell Programming and Scripting

Need a perl script similiar to grep -r 'word' /path/to/dir"

Hi , i am looking for a perl script to grep for a string in all files inside a directory . bash command . grep -r 'word' /path/to/dir Thanks, Nvil (3 Replies)
Discussion started by: nevil
3 Replies

10. Shell Programming and Scripting

Grep the exact process in perl script

I am working on one script where I need to grep the exact process in perl script. for e.g. when I run simple grep command on the linux machine it gives me two process mGateway_mvc_q01 and mGateway_mvc_q01_v7 which is not the correct result.I tried to use ( ps -eAf | grep ^mGateway_mvc_q01$) but... (1 Reply)
Discussion started by: anuragpgtgerman
1 Replies
Perl::Critic::Policy::BuiltinFunctions::RequireBlockGrepUser Contributed Perl DocumentaPerl::Critic::Policy::BuiltinFunctions::RequireBlockGrep(3)

NAME
Perl::Critic::Policy::BuiltinFunctions::RequireBlockGrep - Write "grep { $_ =~ /$pattern/ } @list" instead of "grep /$pattern/, @list". AFFILIATION
This Policy is part of the core Perl::Critic distribution. DESCRIPTION
The expression forms of "grep" and "map" are awkward and hard to read. Use the block forms instead. @matches = grep /pattern/, @list; #not ok @matches = grep { /pattern/ } @list; #ok @mapped = map transform($_), @list; #not ok @mapped = map { transform($_) } @list; #ok CONFIGURATION
This Policy is not configurable except for the standard options. SEE ALSO
Perl::Critic::Policy::BuiltinFunctions::ProhibitStringyEval Perl::Critic::Policy::BuiltinFunctions::RequireBlockMap AUTHOR
Jeffrey Ryan Thalhammer <jeff@imaginative-software.com> COPYRIGHT
Copyright (c) 2005-2011 Imaginative Software Systems. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of this license can be found in the LICENSE file included with this module. perl v5.16.3 2014-06-09 Perl::Critic::Policy::BuiltinFunctions::RequireBlockGrep(3)
All times are GMT -4. The time now is 09:04 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy