By using awk, how to '(backtick)?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

awk output yields error: awk:can't open job_name (Autosys)

Good evening, Im newbie at unix specially with awk From an scheduler program called Autosys i want to extract some data reading an inputfile that comprises jobs names, then formating the output to columns for example 1. This is the inputfile: $ more MapaRep.txt ds_extra_nikira_usuarios...

2. Shell Programming and Scripting

Passing awk variable argument to a script which is being called inside awk

consider the script below sh /opt/hqe/hqapi1-client-5.0.0/bin/hqapi.sh alert list --host=localhost --port=7443 --user=hqadmin --password=hqadmin --secure=true >/tmp/alerts.xml awk -F'' '{for(i=1;i<=NF;i++){ if($i=="Alert id") { if(id!="") if(dt!=""){ cmd="sh someScript.sh...

3. Shell Programming and Scripting

[Solved] Backtick and escapes

Hello all, I have a problem with a bash script. It contains an MySQL query, which when I run it 'as is', executes without a problem. When, however, I try to get it to assign its output to a variable, using the backtick, I get errors. So .. /usr/bin/mysql -N -B mydatabase -e 'SELECT...

4. Shell Programming and Scripting

HELP with AWK one-liner. Need to employ an If condition inside AWK to check for array variable ?

Hello experts, I'm stuck with this script for three days now. Here's what i need. I need to split a large delimited (,) file into 2 files based on the value present in the last field. Samp: Something.csv bca,adc,asdf,123,12C bca,adc,asdf,123,13C def,adc,asdf,123,12A I need this split...

5. Shell Programming and Scripting

awk command to compare a file with set of files in a directory using 'awk'

Hi, I have a situation to compare one file, say file1.txt with a set of files in directory.The directory contains more than 100 files. To be more precise, the requirement is to compare the first field of file1.txt with the first field in all the files in the directory.The files in the...

6. Shell Programming and Scripting

use backtick inside awk

Hello, Can't we use backtick operator inside awk. nawk ' BEGIN { RS=""; FS="\</input\>" } { for(i=1;i<=NF;i++) { if ($i~/\"\"/) { print `grep XYZ $i`; print $i } } } ' test In the following code, I need to print $i and some...

7. Shell Programming and Scripting

Perl: Backtick Errors

When trying to use backticks for system commands, is there a way to read the error messages if a command doesn't execute properly? I have no problem getting the results if the command is properly executed. Ex. my @result = `dir`; foreach my $line (@result) { print "Result = $line";...

8. Shell Programming and Scripting

Perl: combine Backtick & system() I/O operation?

Hi - Within perl I want to execute a system command. I want to re-direct all the output from the command to a file (@result = `$cmd`;), but I ALSO want the results to be displayed on the screen (system("$cmd"); The reason is this - if the command completes, I want to process the output. If the...

9. Shell Programming and Scripting

Awk problem: How to express the backtick(')

For example: I got a list of file end at .txt. I want all of them do the same command like grep '^@' and attached it to a output .sh file. This is the command I type: ls *.txt | awk '{print "grep \' \^\@\' ",$1}' > txt.sh My desired output is when I type the command "more txt.sh " The...

10. UNIX for Advanced & Expert Users

Help with GNU screen: Backtick and Caption.

I'm trying to get GNU screen to show the output of "uptime" for the host being accessed in the current window, but unfortunately, no matter what window I go in, it shows the uptime for the host I originally launched screen in ("adminhost"). Does anyone know how to get this to update from the...

Shell Programming and Scripting