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Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Multiline Search/Replace with Perl
from http://stackoverflow.com/questions/1030787/multiline-search-replace-with-perl added greedy trick in wildcard match (.*?) from http://www.troubleshooters.com/codecorn/littperl/perlreg.htm#Greedy

Show all symlinks

Print the IP address and the Mac address in the same line
Print the IP address and the Mac address in the same line

Search some text from all files inside a directory

Random number generation within a range N, here N=10

Rename files in batch

Get your current Public IP

create a new script, automatically populating the shebang line, editing the script, and making it executable.
The first argument is the interpreter for your script, the second argument is the name of the script to create.

Find the package that installed a command


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