Commands using mailx (8)

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Send a signed and encrypted email from the command line
A very simple command to send a signed and encrypted message from the command line using GPG Keys

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

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

check open ports without netstat or lsof

Merge AVI-files without recoding
Useful for when you download movies split into < 700mb parts. Credit to rich @ http://superuser.com/questions/318640/merge-avi-files-without-recoding-in-mac-os-x-lion mencoder is generally included with mplayer. MacPorts: $sudo port install mplayer

Colorized JSON pretty printing
Uses pygmentize and python to create indented and colorized JSON output

Get all IPs via ifconfig
The initial version of this command also outputted extra empty lines, so it went like this: 192.168.166.48 127.0.0.1 This happened on Ubuntu, i haven't tested on anything else.

Send an email from the terminal when job finishes
Sends an email from the terminal.

Find the package that installed a command

Extract ip addresses with sed
Extracts ip addressess from file using sed. Uses a tag(ip) to grep the IP lines after extracting. Must be a way to just output regex matched on sed.


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