ref: ab0aec975dbb6edd2e31cb425b7046cdde0ed93c
dir: /utils/scerot/
#!/bin/rc -e
if(! ~ $#* 3){
echo usage: sceass radix nrot chan
exit usage
}
id=`{awk 'BEGIN{for(i=1; i<='^$2^'/2-1; i++) printf "%02d\n", i}'}
rev=`{awk 'BEGIN{for(i='^$2^'-1; i>='^$2^'/2+1; i--) printf "%02d\n", i}'}
n=`{seq 1 $#id}
echo `"{for(i in $n){
echo !r $1^.^$id($i)^.bit s
echo 'm = s[X-x-1,y,z]'
echo !w m $1^.$rev($i)^.bit
}} | pico
for(i in $n){
t=`{read -c 46 $1^.^$id($i)^.bit | awk '{print $2, $3}'}
f=$1^.^$rev($i)^.bit
iconv -c $3 $f | crop -t $t > a && mv a $f
}