I need to execute a command per line of some file. For example: file1.txt 100 4 file2.txt 19 8 So my awk script need to execute something like command $1 $2 $3 and save the output of command $1 $2 ...

I have a tgz file which contains a version file, version.txt. This file has only one line "version=1.0.0". This tgz file is present in two different directories and has the same name. My requirement ...

Let s say I have something like this (this is only an example, actual request will be different: I loaded StackOverflow with LiveHTTPHeaders enabled to have some samples to work on): http://...

Is it possible to specify the separator field FS in binary for awk? I have data file with ascii data fields but separated by binary delimiter 0x1. If it was character 1 it would look like this: ...

I m trying to get a next field after matching field using awk. Is there an option to do that or do I need to scan the record into array then check each field in array and print the one after that? ...

I wrote a small Perl script to extract all the values from a JSON formatted string for a given key name (shown below). So, if I set a command line switch for the Perl script to id, then it would ...

I see lots of examples and man pages on how to do things like search-and-replace using sed, awk, or gawk. But in my case, I have a regular expression that I want to run against a text file to extract ...

I d like to insert <?php include_once( google_analytics.php ); ?> before the closing body tag of about 100 php files. Unfortunately the person who made the site didn t make a header or ...