Commands by folengo (1)

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List every docker's name, IP and port mapping

show hidden chars in vi

Convert seconds to human-readable format
This example, for example, produces the output, "Fri Feb 13 15:26:30 EST 2009"

Rsync a directory excluding pesky .svn dirs

Remove security limitations from PDF documents using ghostscript (for Windows)
#4345 also works under windows

list files recursively by size

Display calendar with specific national holidays and week numbers
NB when you run this gcal command in your shell, holidays are highlighted but this highlighting does not show in the sample output (above). To find full details on gcal options: gcal --long-help | less Example for United States, Pennsylvania: gcal -K -q US_PA 2009 # display holidays in USA/Pennsylvania for 2009 (with week numbers) Example for Hong Kong: gcal -K -q HK 2009 # display holidays in Hong Kong for 2009 (with week numbers)

create a temporary file in a command line call
Sometimes you have a script that needs and inputfile for execution. If you don't want to create one because it may contain only one line you can use the `

Delete recursively only empty folders on present dir

A DESTRUCTIVE command to render a drive unbootable
Overwrites the boot sector. Since this doesn't overwrite any data, you can usually recover by re-creating the partition table exactly the same as before you zeroed it. This can also help sometimes if you install a new drive in a Windows machine which can't read it.

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