Commands by pabloab (3)

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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" }

how to export a table in .csv file
Exports the result of query in a csv file

Get your internal IP address and nothing but your internal IP address
Will return your internal IP address.

Convert a Python interactive session to a python script
Used to copy and paste a terminal buffer of a python interactive session into an editor

A signal trap that logs when your script was killed and what other processes were running at that time
trap is the bash builtin that allows you to execute commands when the current script receives a particular signal. Uses $0 for the script name, $$ for the script PID, tee to output to STDOUT as well as a log file and ps to log other running processes.

Remove all HTML tags from a file
A shorter version of command #3014, using awk instead of sed. Useful when scraping websites with a script.

Generate a random password 30 characters long
The pwgen program generates passwords which are designed to be easily memorized by humans, while being as secure as possible. Human-memorable passwords are never going to be as secure as completely completely random passwords. [from pwgen man page]

Process command output line by line in a while loop
This snippet allows to process the output of any bash command line by line.

Serve current directory tree at http://$HOSTNAME:8080/

list offsets from HEAD with git log.


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