use imagemagik to resize to longest axis

resize-la.sh

#!/bin/bash
#
# 2018-10-04
# yearlux@xolotl
# 
# use imagemagik to resize to longest axis


if [[ `uname` == 'Darwin' ]]
	then
		echo "OS X"
		if ! [ -x "$(command -v rename)" ]; then
			echo 'Error: rename is not installed... first run "brew install rename"' >&2
			#fuck it... it's just me anyway
			`brew install rename`
			exit 1
		fi
fi

FILES="$(find . -name '*' -exec file {} \; | grep -oi '^.*image' | cut -d':' -f1)"
ORIGINALS_DIR="originals"
PX=$1

if [[ -z $PX ]]; then
  echo "usage: "
  echo "./resize-la.sh int_no_pixels"
  echo "for example: "
  echo "./resize-la.sh 800"
  echo "will resize images in `pwd`, the longest axis being 800px"
  echo "copies will be saved in `pwd`/${ORIGINALS_DIR}"
fi


mkdir $ORIGINALS_DIR
for f in $FILES; do cp $f ./$ORIGINALS_DIR; done


rename 's/\s/_/' *
rename 's/\.jpeg$/.jpg/' *


for f in $FILES
do
	cp $f ./$ORIGINALS_DIR
	# convert ${f} output/`printf "%06X"`.jpg
	convert ${f} -resize "${PX}>" ${f}-${PX}-pxla.jpg
	#echo `exiftool ${f} | grep size -i`
done