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Answer by Stéphane Chazelas for Why does `watch` make `ls /tmp` list contents...

There are two main categories of watch commands (of the ones that are to run commands periodically, watch is not a standard command, there are even systems where watch does something completely...

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Answer by thrig for Why does `watch` make `ls /tmp` list contents of $HOME?

The difference may be seen via strace: $ strace -ff -o bq watch sh -c 'ls\ /tmp/|wc -l' ^C $ strace -ff -o nobq watch sh -c 'ls /tmp/|wc -l' ^C $ grep exec bq* | grep sh...

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Why does `watch` make `ls /tmp` list contents of $HOME?

I'm trying to watch number of files in my /tmp/ directory. For this I thought this command would work: watch sh -c 'ls /tmp/|wc -l' But it appears to work as if ls had no arguments. Namely, I'm in ~,...

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