From: Francois Fleuret <francois@fleuret.org>
Date: Tue, 2 Jun 2015 07:35:47 +0000 (+0200)
Subject: Use another EXIF tag for the date if the default one is not available.
X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=scripts.git;a=commitdiff_plain;h=71b861a1c642e2f955ef58b152354824d7d58404

Use another EXIF tag for the date if the default one is not available.
---

diff --git a/redatepic.sh b/redatepic.sh
index fc6a606..9d3e9c3 100755
--- a/redatepic.sh
+++ b/redatepic.sh
@@ -26,7 +26,13 @@ while [ $1 ]; do
     if [[ -f ${REFERENCE} ]]; then
 
         # TAG=$(exif --ifd=EXIF -t "Date and Time (original)" ${REFERENCE} | grep Value)
-        TAG=$(exif --ifd=EXIF -t 0x9003 ${REFERENCE} | grep Value)
+        TAG=$(exif 2>/dev/null --ifd=EXIF -t 0x9003 ${REFERENCE} | grep Value)
+
+        if [[ ! "${TAG}" ]]; then
+            echo >&2 "  Cannot find the \"Date and Time (original)\" exif tag in ${REFERENCE}"
+            echo >&2 "  Looking for \"Date and Time\""
+            TAG=$(exif -t 0x0132 ${REFERENCE} | grep Value)
+        fi
 
         if [[ ${TAG} ]]; then
             TIMESTAMP=$(echo ${TAG} | sed -e \