redatepic.sh

   1 #!/bin/bash
   2
   3 #########################################################################
   4 # START_IP_HEADER                                                       #
   5 #                                                                       #
   6 # This program is free software: you can redistribute it and/or modify  #
   7 # it under the terms of the version 3 of the GNU General Public License #
   8 # as published by the Free Software Foundation.                         #
   9 #                                                                       #
  10 # This program is distributed in the hope that it will be useful, but   #
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of            #
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      #
  13 # General Public License for more details.                              #
  14 #                                                                       #
  15 # You should have received a copy of the GNU General Public License     #
  16 # along with this program. If not, see <http://www.gnu.org/licenses/>.  #
  17 #                                                                       #
  18 # Written by and Copyright (C) Francois Fleuret                         #
  19 # Contact <francois.fleuret@idiap.ch> for comments & bug reports        #
  20 #                                                                       #
  21 # END_IP_HEADER                                                         #
  22 #########################################################################
  23
  24 while [ $1 ]; do
  25
  26     NAME=$1
  27
  28     REFERENCE=${NAME/MOV/JPG}
  29
  30     if [[ -f ${REFERENCE} ]]; then
  31
  32         TAG=$(exif --ifd=EXIF -t "Date and Time (original)" ${REFERENCE} | grep Value)
  33
  34         if [[ ${TAG} ]]; then
  35             TIMESTAMP=$(echo ${TAG} | sed -e \
  36                 "s/^ *Value: *\([0-9]*\):\([0-9]*\):\([0-9]*\) *\([0-9]*\):\([0-9]*\):\([0-9]*\).*$/\1\2\3\4\5.\6/")
  37             touch -t $TIMESTAMP ${NAME}
  38             ls -l ${NAME}
  39         else
  40             echo "++ No exif tag in ${NAME}, can not set the date properly."
  41         fi
  42
  43     else
  44         echo "++ Can not find a reference picture file for ${NAME}, can not set the date properly."
  45     fi
  46
  47     shift
  48
  49 done