ref: fe3ec1a9c6b65cc8ed46e360aeffe1cdc65af71b dir: /watch/
#!/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 }