#!/bin/bash

MASKDIR="output/aloi_mask4_eroded"
OUTPUTDIR="output/aloi_mask4_outline"

function createfolders {
   if [ -e ${OUTPUTDIR} ]
   then
      rm -r ${OUTPUTDIR}
   fi
   
   mkdir ${OUTPUTDIR}

   for i in `seq 1 1000`; do
      mkdir ${OUTPUTDIR}/${i}
   done
}

createfolders

for item in $(find ${MASKDIR}/ -name "*.png");do
echo "converting ${item}"
output=$(echo ${item} | sed s/eroded/outline/g)
convert ${item} -morphology edgein disk:1 ${output}
done