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To watch all videos with mpv in predefined sorted order one can do

mpv /path/to/videos/*

because mpv can accept multiple files as its argument and play them one after another.

I would like to pass to mpv those files but randomly ordered, so each time I start watching it comes up with something unexpected.

Here what I've tried so far

ls /path/to/videos/* | sort -R | while read file; do mpv $file; done

This variant does not satisfy my needs, since it starts new instance for each video and new window always gets focused.

2 Answers 2

3

Use a subshell to collect the randomized lines back into arguments to mpv. Remove debugging echo if trial runs look good.

echo mpv $(print -l /path/to/videos/* | sort -R)

(Also there is no need to use ls as that's more expensive than simply printing the results of the glob expansion linewise with print -l.)

Internal to ZSH, try a clever glob trick to shuffle the list:

echo mpv *(oe:REPLY=\$RANDOM:)
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  • @tarashypka generally I aim to not have characters in filenames that complicate life in the shell.
    – thrig
    Commented Jan 28, 2017 at 1:01
  • It works well for file names without whitespaces. For another case I've tried mpv $(printf '%q\n' /path/to/videos/* | sort -R), but regardless it created espace sequences, error is still the same. Is it possible to improve it or should I constantly rename the files to eliminate whitespaces etc?
    – Mr Tarsa
    Commented Jan 28, 2017 at 1:02
  • Second command works as charm and looks as magic. It's definitely time to learn more about zsh. Thanks.
    – Mr Tarsa
    Commented Jan 28, 2017 at 1:06
3

mpv has an option built-in for shuffling the order of files played (--shuffle)

You could use mpv --shuffle /path/to/videos/*

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