Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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mkdir subdir; mv * subdir
It will throw an error because you can't move subdir to subdir but will still work.(ls -1 && mkdir "$1") | xargs -d'\n' mv -t "$1"
(ls && mkdir subdir && echo subdir) | xargs mv
The output of ls alone will be piped to mv, which will try to move everything into whatever happens to be last in the list (possibly overwriting it). Using semicolons means that the 'echo subdir' command still gets called, so mv will try to move into a non-existent subdirectory (which is much less dangerous).