Commands by savagemike (1)

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Deal with dot files safely

converts a directory full of source tarballs into a bzr repository so you can compare different versions easily

Rename a file with a random name
Give files a random name (don't ask why :-) The function will rename files but maintain their extensions. BUG: If a file doesn't have an extension it will end up with a dot at the end of the name. The parameter '8' for pwgen controls the length of filenames - eight random characters.

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" }

Display a markdown file in a new tab in firefox

Show number of NIC's, ports per nic and PCI address

Gets the last string of previous command with !$
It helps you save a lot of writing :-)

list block devices
Shows all block devices in a tree with descruptions of what they are.

Show what PID is listening on port 80 on Linux

Ultimate current directory usage command
Based on the MrMerry one, just add some visuals and sort directory and files


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