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Save this perl script as file xxx an run it with perl xxx file1 file2 #!/usr/bin/perl # save the first two files, the <> slurp clears @ARGV ($f1,$f2) = @ARGV; # build a hash of hash of lines from a …

Create a script file like fetchtarget.sh and start it with the URL as first argument. #!/bin/sh dir=$(mktemp -d) cd $dir || exit wget $1 # deep unzip loop while true; do find -iname '*.zip' > z …

You need a compley regex to isolate the moving version string. Delimited the basename with a unused character and sort it unique. For example, build a index file with = as delimter: perl -le 'map { …

Julies simple solution, stopping and restarting the service as script (Debian Linux): #!/bin/sh service cron stop ... dowhatyouwant ... service cron start Or delete the crontab temporary: crontab …

A simple perl script ... #!/usr/bin/perl my %hash; open FH, 'who |' or die; while ( <FH> ) { $hash{$1}++ if /^(\S+).*(10\.\d+\.\d+\.\d+)/; } close FH; while ( ($k,$v) = each %hash ) { printf …

with perl: perl -le 'map { $sum += -s } @ARGV; print $sum' -- *.pdf Size of all non-hidden PDF files in current directory.