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Top Forums Shell Programming and Scripting Perl : ping for multiple IPs not working Post 302764245 by jim mcnamara on Thursday 31st of January 2013 07:30:29 AM
Old 01-31-2013
I cannot tell:

you open inventory.txt, you display ips.txt.

1. verify your input file with
Code:
cat [inputfilename]

2. put print statements to verify the contents of your array. Inside your loop
4. Call p->bind() before your loop.
 

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IP2HOST(1)						User Contributed Perl Documentation						IP2HOST(1)

NAME
ip2host - Resolves IPs to hostnames in web server logs SYNOPSIS
ip2host [OPTIONS] [cache_file] < infile > outfile infile - Web server log file. outfile - Same as input file, but with IPs resolved to hostnames. Options: --children=... Number of child processes to spawn (default: 40) --timeout=... Seconds to wait on DNS response (default: 20) --buffer=... Maximum number of log lines to keep in memory (default: 50000) --flush=... Number of lines to process before flushing output buffer (default: 500) --cache=... Filename to use as disk cache (default: none) --ttl=... Number of seconds before IPs cached on disk are expired (default: 604800 - One week) DESCRIPTION
This is a faster, drop-in replacement for the logresolve utility distributed with the Apache web server. It's been reported to work under Linux, FreeBSD, Solaris, Tru64, and IRIX. AUTHOR
Maurice Aubrey <maurice.aubrey+ip2host@gmail.com> Based on the logresolve.pl script by Rob Hartill. COPYRIGHT
Copyright 1999-2007, Maurice Aubrey <maurice.aubrey+ip2host@gmail.com>. This module is free software; you may redistribute it and/or modify it under the same terms as Perl itself. README
Resolves IPs to hostnames in web server logs. This is a faster, drop-in replacement for the logresolve utility distributed with the Apache web server. SCRIPT CATEGORIES
Web perl v5.14.2 2012-02-15 IP2HOST(1)
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