-3
votes
2answers
80 views

perl one liners + add empty line after the last line [closed]

please advice what need to change in the perl syntax in order to add new empty line after the last line? example IP_INFO=12.23.2.1 echo IP= | perl -pe "s/$/$IP_INFO/" 1>>file . ...
-2
votes
1answer
122 views

linux + count how many digits in IP address [closed]

I write the following syntax (exist in my ksh script) in order to find how many digits I have in IP address IP_address=127.1.1.1 echo $IP_address | sed s'/\./ /g' | wc | awk '{print $2}' 4 . ...
0
votes
1answer
90 views

Linux/Solaris verification ( after hostname change ) in files according to hostname rule

According to the following Perl command ( this command part of ksh script ) I can replaced old hostnames with new hostnames in Linux or Solaris previos_machine_name=linux1a ...
0
votes
1answer
241 views

perl + sed + remove lines that start with “#”

please advice I have linux and solaris machines, and I need command that work on both OS I use the following perl line in order to remove all lines that start with "#" why perl command not work , ...
-3
votes
1answer
66 views

bash + create proccess from function before program ended

the following short bash program described how to execute the func1 by process ( func1 & ) func1 is function that do some tests and verification on Linux machines And this program run after ...
2
votes
5answers
1k views

bash + print line every 10 min in bash

I want to print by echo the following "still in process wait another 10 min" every 10 min Please advice what condition needs to add before the echo command in order to print this line every 10 min? ...
-3
votes
1answer
207 views

how can execute complicated linux command inside perl [closed]

#!/usr/bin/perl @HOSTS = ("192.168.14.112", "192.168.14.90", "192.168.160.1", "192.168.160.100"); my $COUNT = 4; my $date =`date`; for my $myHost (@HOSTS) { **$count = `ping ...
1
vote
2answers
1k views

How to call perl from crontab?

I can run this command fine from the SSH console of my rackservers shared hosting: cd /home/myaccount/public_html/whatever; perl -w -I/home/myaccount/public_html/whatever rss2txt.pl ...
2
votes
2answers
172 views

awk + perl + get two arguments in to awk syntax

please advice what wrong with my awk syntax and how to fix it ( this syntax is in my ksh script ) and I run my script on linux machine my target is to get from the file.txt only the lines that ...
4
votes
1answer
222 views

perl equivalent of sh -e

In /bin/sh and /bin/bash (and I guess a lot of other shells), starting scripts with #!/bin/sh -e (or executing set -e in someplace in the script) would cause the script to abort when any command line ...
1
vote
4answers
2k views

Silent and scripted install of CPAN and Perl modules?

I need to install CPAN and some Perl modules automatically in a Scientific Linux (RHEL) installation script. Unfortunately the specific modules I want (at least one of them) cannot be found as RPM:s ...