shithub: snippets

ref: 4b95f4f4f1f3caae8e09e16f9bcd4af303a33a8b
dir: snippets/watch

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#!/bin/rc
# calls a command every second, replacing its output with the new one

rfork ne
a0=''
while(){
	a=`"{$*}
	echo -n $a0 | tr -c '' '\x08'
	echo -n $a
	a0=$a
	sleep 1
}