#!/bin/sh
#
for f in *.pcd
do 
 echo -n $f
 bf=`basename $f .pcd | sed 's/img0/i/'`
 echo -n " -> «$bf»"
 ## this fails: convert -size  96x64    $f ${bf}--1.jpg 
 convert -size 192x128   $f ${bf}-0.jpg 
 convert -size 768x512   $f ${bf}.jpg 
 convert -size 1536x1024 $f ${bf}+.jpg 
 ls -l ${bf}.jpg
done