Change EXIF from filename

exifFromFilename.sh

#!/bin/bash

# Required: http://www.sentex.net/~mwandel/jhead/

# filename format: YYYYMMDD_HHMMSS.jpg
for filename in $(find . -maxdepth 1 -regextype posix-extended -iregex ".*\/.{8}_.{6}.jpg" -type f); do
	YEAR=$(echo $filename| cut -c 3-6)
	MONTH=$(echo $filename| cut -c 7-8)
	DAY=$(echo $filename| cut -c 9-10)

	HOUR=$(echo $filename| cut -c 12-13)
	MINUTE=$(echo $filename| cut -c 14-15)
	SECOND=$(echo $filename| cut -c 16-17)

	COMBINED="$YEAR:$MONTH:$DAY-$HOUR:$MINUTE:$SECOND"

	jhead -ts$COMBINED $filename
done

# filename format: IMG_YYYYMMDD_HHMMSS.jpg
for filename in $(find . -maxdepth 1 -regextype posix-extended -iregex ".*\/IMG_.{8}_.{6}.jpg" -type f); do
	YEAR=$(echo $filename| cut -c 7-10)
	MONTH=$(echo $filename| cut -c 11-12)
	DAY=$(echo $filename| cut -c 13-14)

	HOUR=$(echo $filename| cut -c 16-17)
	MINUTE=$(echo $filename| cut -c 18-19)
	SECOND=$(echo $filename| cut -c 20-21)

	COMBINED="$YEAR:$MONTH:$DAY-$HOUR:$MINUTE:$SECOND"

	jhead -ts$COMBINED $filename
done