Commands by TeacherTiger (5)

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Get Futurama quotations from slashdot.org servers
slashdot.org webserver adds an X-Bender or X-Fry HTTP header to every response!

Wait for file to stop changing
This loop will finish if a file hasn't changed in the last 10 seconds. . It checks the file's modification timestamp against the clock. If 10 seconds have elapsed without any change to the file, then the loop ends. . This script will give a false positive if there's a 10 second delay between updates, e.g. due to network congestion . How does it work? 'date +%s' gives the current time in seconds 'stat -c %Y' gives the file's last modification time in seconds '$(( ))' is bash's way of doing maths '[ X -lt 10 ]' tests the result is Less Than 10 otherwise sleep for 1 second and repeat . Note: Clever as this script is, inotify is smarter.

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" }

Generate list of words and their frequencies in a text file.

vimdiff to remotehost
vimdiff to remotehost

Length of longest line of code
Here's an awk version.

Git Tree Command with color and tag/branch name

burn initial session on a growable DVD using growisofs
replace "directory name to burn on DVD" with actual directory name that you want to copy on DVD

Open Vim with two windows
: new command allow to split a Vim screen in two separate windows. Each window can handle its own buffer. Passing the -c new options when Vim start cause to split screen automatically.

List available upgrades from apt without upgrading the system


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