> Or watch -n 0.5 make does the job too Not always: $ echo $LANG pt_BR.UTF-8 $ watch -n 0.5 false watch: failed to parse argument: '0.5' (but

> Or watch -n 0.5 make does the job too Not always: $ echo $LANG pt_BR.UTF-8 $ watch -n 0.5 false watch: failed to parse argument: '0.5' (but "watch -n 0,5 ..." works for me)