Command Line Interface Tools

plane - stands for perl with -lane switches.

 * Replaces awk - reads a file from standard input into @F variable.
   and allows easy filtering including regexp group matching.
 * Run without params to show numbers of fields in standard input.
 * You can access fields from end and grep using: 

     plane 'print @F[-1] if @F[0] =~ /^192.168.0.1/'

 * You can print multiple fields:

     plane 'print join("\t",@F[0..2,-1])'

csv2xlsx.py - convert CSV to XLSX

 * Requirements:

    sudo easy_install openpyxl

tzcovert - convert filter from Zulu to local time
    
     echo "2017-04-02T23:53:32.000Z" | tzconvert
     # returns: 2017-04-03T01:53:32