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#! /bin/bash
# resize photos and put them in a subdirectory
# default is 25% but can add in an arg later
# check for resize arg in command line
if [ -z $1 ]
then reduce=25
else reduce=$1
fi
# Check for folder name in command line (no spaces of course!)
if [ -z $2 ]
then smldir='sml'
else smldir=$2
fi
if [ ! -d $smldir ]
then mkdir $smldir
else echo "Folder \"$smldir\" already exists. No files were altered."; exit 1
fi
# remove spaces from filenames
perl-rename -v 's/\s/_/g' *
# rename capital JPG to lower case jpg
if [ $(ls -l *.JPG 2> /dev/null | wc -l) -gt 0 ]
then perl-rename -v 's/.JPG$/.jpg/' *.JPG
fi
numpix=$(ls -l *.jpg 2> /dev/null| wc -l)
if [ $numpix -eq 0 ]
then echo "No jpeg files in this folder"
exit 1
fi
for file in *.jpg
do convert ${file} -resize ${reduce}% ${smldir}/sml-${file}
done
echo "${numpix} pictures were reduced to ${reduce}% and stored in ${smldir}."
exit 0
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