# usage: sledge /tmp/foo /tmp/bar 31415
# could also be named crowbar
fn sledge () {
ifile=$1
ofile=$2
size=$3
if (~ $#* 3) {
for (i in `{seq 0 `{ls -l $ifile | awk '{print
int($6/'^$size^')}'}}) {
echo dd -if $ifile -of $ofile^$i -bs $size -skip $i
-count 1
}
}
}
>> this isn't awk's fault. awk gets the right result. you've illustrated
>> the dismalness of seq.
>
> good point. i should have worked that out!
>
> it's not the first time i've been caught out by %g - perhaps
> the default precision of %g should be 12 or more. at any
> rate, seq's default format should be %.12g or better.
>
> here's a version that works a bit better (also using seq -w so
> that you can do "cat $file.*" to reassemble it)
>
> {for(i in `{seq -w 0 `{ls -l $file | awk '{print int((int($6) - 1) /
> '$bs')}'}}) {
> dd -bs $bs -count 1 -quiet 1 -of $file.$i }
> } < $file
