#!/bin/bash
 
for g in $1 ; do
        mkdir ${1}_thumb
        for f in $g/*.jpg ; do
                convert -size 200x200 "$f" -resize 200x200 "${g}_thumb/${f##*/}"
        done
done

#!/bin/bash
 
chmod 555 10* */10*
find . -name "dscn*" | xargs chmod 444
chmod ugo-w * -R
chown jarfil:jarfil * -R
chmod ugo+w _var
chmod ugo-w .