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Lines 3-17
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# |
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# |
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# Transforms Exif files so that Orientation becomes 1 |
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# Transforms Exif files so that Orientation becomes 1 |
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# |
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# |
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trap "if test -n \"\$tempfile\"; then rm -f \"\$tempfile\"; fi" INT QUIT TERM |
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preserve_timestamps="" |
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for i |
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for i |
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do |
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do |
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case $i in |
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case "$i" in |
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-p|--pretend) preserve_timestamps="yes"; continue;; |
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-v|--version) echo "exifautotran"; exit 0;; |
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-v|--version) echo "exifautotran"; exit 0;; |
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-h|--help) |
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-h|--help) |
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cat <<EOF |
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cat <<EOF |
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exifautotran [list of files] |
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exifautotran [-p] [list of files] |
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Transforms Exif files so that Orientation becomes 1 |
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Transforms Exif files so that Orientation becomes 1 |
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-p, --preserve Preserve modification time of each file. |
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EOF |
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EOF |
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exit 0;; |
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exit 0;; |
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esac |
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esac |
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Lines 28-41
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| 28 |
*) transform="";; |
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*) transform="";; |
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esac |
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esac |
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if test -n "$transform"; then |
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if test -n "$transform"; then |
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echo Executing: jpegtran -copy all $transform $i >&2 |
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tempfile=`mktemp` || { |
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jpegtran -copy all $transform "$i" > tempfile |
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echo "Failed to create temporary file" >&2 |
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exit 1; |
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} |
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echo "Executing: jpegtran -copy all $transform $i" >&2 |
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jpegtran -copy all $transform "$i" > "$tempfile" |
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if test $? -ne 0; then |
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if test $? -ne 0; then |
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echo Error while transforming $i - skipped. >&2 |
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echo "Error while transforming $i - skipped." >&2 |
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rm "$tempfile" |
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else |
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else |
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rm "$i" |
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jpegexiforient -1 "$tempfile" > /dev/null |
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mv tempfile "$i" |
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if test -n "$preserve_timestamps"; then |
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jpegexiforient -1 "$i" > /dev/null |
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touch -r "$i" "$tempfile" |
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fi |
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# read original permissions for setting later |
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original_mode=`stat -c %a "$i"` |
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mv "$tempfile" "$i" || { |
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echo "Failed to update $i - skipped." >&2 |
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rm "$tempfile" |
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continue |
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} |
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# set original permissions only after moving the file back, |
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# to avoid setting potentially unsafe permissions on the file |
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# while it's in /tmp, where it could be accessed by anyone |
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chmod "$original_mode" "$i" |
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fi |
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fi |
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fi |
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fi |
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done |
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done |
