> * I can’t seem to find a way to have an incrementing loop counter in rc shell
> (best I could do is check the size of a growing list variable)
most of the time seq(1), hoc(1) and similar tools can help do the job:
fn square {
echo $1 '*' $1 | hoc
}
for (i in `{seq 1 10}) {
j = `{square $i}
echo $i^² '=' $j
}
> * I couldn’t think of a good way to name the image files so that they can be
> sorted into the correct sequence as input to togif
awk printf perhaps?
for (i in (0 10 100)) {
echo $i
} | awk '{printf "image_%0.3d\n", $0}'
