Commands tagged bash (821)

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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" }

convert uppercase filenames in current directory to lowercase
as commented by Urk...

Set laptop display brightness
Run as root. Path may vary depending on laptop model and video card (this was tested on an Acer laptop with ATI HD3200 video). $ cat /proc/acpi/video/VGA/LCD/brightness to discover the possible values for your display.

ssh autocomplete
Autocomplete from .ssh/config

grep for minus (-) sign
Use flag "--" to stop switch parsing

Minimize active window
Bind it to some shortcut key, using something like xbindkeys-config (if you do not have xbindkeys: apt-get install xbindkeys xbindkeys-config)

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

Show latest changed files

Nice weather forecast on your shell
Change Seville for your prefered city.

Show bash's function definitions you defined in .bash_profile or .bashrc
If you omit the function name, the command will display all definitions


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