0
votes
2answers
183 views

linux + how to identify if file is pointed by link/s

I create new file called - 192.9.200.1 touch 192.9.200.1 then I create new link that will be pointed to 192.9.200.1 file ln -s 192.9.200.1 file so finally I get: ls -ltr /tmp ...
0
votes
2answers
108 views

linux + delete duplicate IP's from file

what the best way to remove duplicate IP's from file I use the command: sort file | uniq but I am not sure if this is the best way , maybe I missed something? remark: my file contain two ...
1
vote
2answers
153 views

re-create new link and remove the old link on one command

according to ln manual page: man ln -f, --force remove existing destination files so as I understand if I want to re-create new link to some destination directory/file I can ...
-2
votes
1answer
106 views

case + how to implement equal or less or greater in case syntax

my target is to verify the range of number with (only with - case + esac ) , and print the range so for example if number is between 0-80 , case will print >=0<=80 or if range is ...
-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 . ...
12
votes
4answers
25k views

How do I sleep for a millisecond in bash or ksh

sleep is a very popular command and we can start sleep from 1 second # wait one second please sleep 1 but what the alternative if I need to wait only 0.1 second or between 0.1 to 1 ...
-1
votes
2answers
194 views

shell: create Shortcut command (alias or function) for working with IP address as arguments

I am not sure if I performed the following illegal or true but what I need is - to create set of ready commands so if I need to use , for example to match IP address with 4 octet I can use the ...
-2
votes
1answer
121 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
3answers
201 views

grep + Regular Expressions to match uniq number

My target is to verify if $FILE is a backup file ( backup file ended with xxxx.xx.xx.xx number Example of backup files ls /etc/VRTSvcs/conf/config main.cf.17Dec2012.09.10.14 ...
1
vote
2answers
120 views

ksh + match and verify two strings in single line

how to match the words linux1a and linux1b from single line ? ( should be performed by ksh ) list="solaris1a Auto global linux1a linux1b" echo $list | .... ? my target is to find ...
0
votes
1answer
372 views

expect script + how to perform case in expect script

the following expect script target is to print the hostname name from linux/solaris machine and according to hostname results expect script will run linux.ksh or solaris.ksh script ...
0
votes
1answer
286 views

expect script + write “if” in expect script

please advice what's wrong with my exepct syntax ( I run expect in ksh script on Solaris 10 machine ) I want to verify if OS is linux so if it true the expect check if prompt is "#" or ">" and ...
-1
votes
1answer
342 views

linux + print message on the screen after login to linux machine

I have linux machine red-hat 5.1 I want to write ksh/bash script that perform the following Each time that someone login to the linux machine then he will get the following message on the screen ...
4
votes
2answers
1k views

expect + how to identify if expect break because time out?

The target of the following simple expect script is to get the hostname name on the remote machine Sometimes expect script fail to perform ssh to $IP_ADDRESS ( because remote machine not active , etc ...
3
votes
1answer
172 views

shell script (KSH) + set file to param & perform test between param and string

in my linux machine red-hat 5.1 - in ppp file - I have only the signature.pl string !!! remark - third application write the signature.pl string in to ppp file I set ppp file in $a param And ...
0
votes
3answers
83 views

shell script + match MAJOR and CRITICAL strings from log file

I need to match lines that have MAJOR and CRITICAL strings that comes after the word ERROR:< any integer number > please advice how to do that with one awk or sed command? more HW_Log.txt ...
1
vote
1answer
109 views

shell script + add inside the script PATH for standard output

Usually if we want to redirect script output to file we simply do /etc/create_connection.sh > file.debug.txt Or /etc/create_connection.sh | tee –a file.debug.txt But What I want is ...
0
votes
1answer
571 views

What version of ksh ships with AIX 5.3?

I'm writing a Korn shell script for a client, who will use it on AIX 5.3. For testing, I'm using version 93u-1 Debian Wheezy. Is this the same version as the one I'll find on AIX?