Commands tagged video, (2)

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Compare a remote dir with a local dir
You can compare directories on two different remote hosts as well: $ diff -y

list files recursively by size

Capture video of a linux desktop
This will grab the image from desktop, starting with the upper-left corner at x=100, y=200 with a width and height of 1024?768.

Find all videos under current directory
Uses mime-type of files rather than relying on file extensions to find files of a certain type. This can obviously be extended to finding files of any other type as well.. like plain text files, audio, etc.. In reference to displaying the total hours of video (which was earlier posted in command line fu, but relied on the user having to supply all possible video file formats) we can now do better: $ find ./ -type f -print0 | xargs -0 file -iNf - | grep video | cut -d: -f1 | xargs -d'\n' /usr/share/doc/mplayer/examples/midentify | grep ID_LENGTH | awk -F "=" '{sum += $2} END {print sum/60/60; print "hours"}'

list files recursively by size

list files recursively by size

find an unused unprivileged TCP port
Not really better - just different ;) There's probably a really simple solution out there somewhere...

list all file extensions in a directory
... plus do a sort according frequency

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

diff two unsorted files without creating temporary files
bash/ksh subshell redirection (as file descriptors) used as input to diff

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