wxdir

#!/usr/bin/env bash

#####################################################################
# Made by    : Ewoud Dronkert
# Licence    : GNU GPL v3
# Platform   : Mac OS X
# Requires   : bash
# Location   : ~/bin/
# Name       : wxdir
# Version    : 1.0.1
# Date       : 2017-07-19
# Purpose    : Correct the impractical daily subfolder names
#              of Sony sync tool from DD-MM-YY to YYYYMMDD.
# Parameters : none
# Settings   : WXDIR = main photo folder on disk
#              CENTURY = which century to use for full date
#####################################################################

WXDIR=~/Pictures/Camera\ Sony\ WX220
CENTURY=20

echo -n "Renaming synced folders ... "
N=0
OK=0
ERR=0
find "$WXDIR" \
	-mindepth 1 -maxdepth 1 \
	-type d \
	-name [0-9][0-9]-[0-9][0-9]-[0-9][0-9] | \
while IFS= read -r OLD; do
	if [ -d "$OLD" ]; then
		(( ++N ))
		DAY="$CENTURY${OLD:(-2)}${OLD:(-5):2}${OLD:(-8):2}"
		NEW="$WXDIR/$DAY"
		TRY=0
		BASE="$NEW"
		while [ -e "$NEW" -a $TRY -lt 9 ]; do
			(( ++TRY ))
			NEW="$BASE-$TRY"
		done
		if [ ! -e "$NEW" ]; then
			if (( TRY > 0 )); then
				echo -n "\n  Warning: duplicate folder name, using '$NEW' " 1>&2
			fi
			mv -f "$OLD" "$NEW" && (( ++OK ))
			touch -t "${DAY}0000.00" "$NEW"
		else
			echo -n "\n  Failed: unable to rename '$OLD' " 1>&2
			(( ++ERR ))
		fi
	fi
done
echo "done."
echo "  Folders found as DD-MM-YY: $N"
echo "  Renamed to YYYYMMDD: $OK"
(( ERR > 0 )) && echo "  Unable to rename: $ERR"

echo -n "Checking folder timestamps ... "
N=0
M=0
OK=0
find "$WXDIR" \
	-mindepth 1 -maxdepth 1 \
	-type d \
	-name [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9] | \
while IFS= read -r DIR; do
	if [ -d "$DIR" ]; then
		(( ++N ))
		T1="${DIR:(-8)}"
		T2=$(stat -q -f '%Sm' -t '%Y%m%d' "$DIR")
		if [ "$T1" != "$T2" ]; then
			(( ++M ))
			touch -t "${T1}0000.00" "$DIR" && (( ++OK ))
		fi
	fi
done
echo "done."
(( N > 0 )) && echo "  Folders found: $N"
(( M > 0 )) && echo "  Wrong timestamp: $M"
(( OK > 0 )) && echo "  Corrected timestamp: $OK"

open "$WXDIR"
exit 0