#!/bin/bash
#usage:
# phsharp [dir]
# sharpens jpg files in current or given (dir) directory

TMPFILE=/tmp/psharp$$.jpg

if [ $1 ]
then
    cd $1
fi

for i in *.jpg
do
	if jhead -v $i | grep 'Sharpness = 1' > /dev/null
	then 
		echo Sharpening: $i
		convert $i -sharpen 1 $TMPFILE && \
		mv $TMPFILE $i
	else
		echo Skipping: '  ' $i
	fi
done