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EXIV2(1) EXIV2(1)
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NAME
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exiv2 - Image metadata manipulation tool
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SYNOPSIS
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exiv2 [options] [action] file ...
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DESCRIPTION
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exiv2 is a program to read and write Exif, IPTC and XMP image metadata
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and image comments. The following image formats are supported:
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Type Exif IPTC XMP Image comments
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JPEG Read/Write Read/Write Read/Write Read/Write
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EXV Read/Write Read/Write Read/Write Read/Write
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CR2 Read Read Read -
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CRW Read/Write - - Read/Write
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MRW Read Read Read -
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TIFF Read/Write Read/Write Read/Write -
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DNG Read/Write Read/Write Read/Write -
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NEF Read/Write Read/Write Read/Write -
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PEF Read/Write Read/Write Read/Write -
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ARW Read Read Read -
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RW2 Read Read Read -
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SR2 Read Read Read -
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SRW Read/Write Read/Write Read/Write -
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ORF Read/Write Read/Write Read/Write -
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PNG Read/Write Read/Write Read/Write Read/Write
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PGF Read/Write Read/Write Read/Write Read/Write
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RAF Read Read Read -
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XMP - - Read/Write -
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GIF - - - -
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PSD Read/Write Read/Write Read/Write -
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TGA - - - -
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BMP - - - -
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JP2 Read/Write Read/Write Read/Write -
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o Support for GIF, TGA and BMP images is minimal: the image format is
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recognized, a MIME type assigned to it and the height and width of
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the image are determined.
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o Reading other TIFF-like RAW image formats, which are not listed in
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the table, may also work.
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ACTIONS
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The action argument is only required if it is not clear from the
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options which action is implied.
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pr | print
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Print image metadata. This is the default action, i.e., the com-
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mand exiv2 image.jpg will print a summary of the image Exif
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metadata.
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ex | extract
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Extract metadata to *.exv, XMP sidecar (*.xmp) and thumbnail
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image files. Modification commands can be applied on-the-fly.
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in | insert
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Insert metadata from corresponding *.exv, XMP sidecar (*.xmp)
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and thumbnail files. Use option -S .suf to change the suffix of
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the input files. Since files of any supported format can be used
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as input files, this command can be used to copy the metadata
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between files of different formats. Modification commands can be
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applied on-the-fly.
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rm | delete
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Delete image metadata from the files.
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ad | adjust
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Adjust Exif timestamps by the given time. Requires at least one
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of the options -a time, -Y yrs, -O mon or -D day.
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mo | modify
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Apply commands to modify (add, set, delete) the Exif, IPTC and
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XMP metadata of image files. Requires option -c, -m or -M.
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mv | rename
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Rename files and/or set file timestamps according to the Exif
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create timestamp. Uses the value of tag Exif.Photo.DateTimeOrig-
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inal or, if not present, Exif.Image.DateTime to determine the
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timestamp. The filename format can be set with -r fmt, timestamp
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options are -t and -T.
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fi | fixiso
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Copy the ISO setting from one of the proprietary Nikon or Canon
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makernote ISO tags to the regular Exif ISO tag,
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Exif.Photo.ISOSpeedRatings. Does not overwrite an existing stan-
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dard Exif ISO tag.
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fc | fixcom
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Fix the character encoding of Exif Unicode user comments.
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Decodes the comment using the auto-detected or specified charac-
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ter encoding and writes it back in UCS-2. Use option -n to spec-
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ify the current encoding of the comment if necessary.
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OPTIONS
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-h Display help and exit.
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-V Show the program version and exit.
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-v Be verbose during the program run.
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-q Silence warnings and error messages from the Exiv2 library dur-
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ing the program run (quiet). Note that options -v and -q can be
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used at the same time.
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-b Show large binary values (default is to suppress them).
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-u Show unknown tags (default is to suppress tags which don't have
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a name).
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-g key Only output info for this Exiv2 key (grep). Multiple -g options
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can be used to grep info for several keys.
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-n enc Charset to use to decode Exif Unicode user comments. enc is a
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name understood by iconv_open(3), e.g., 'UTF-8'.
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-k Preserve file timestamps when updating files (keep). Can be used
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with all options which update files. The flag is ignored by
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read-only options.
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-t Set the file timestamp according to the Exif create timestamp in
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addition to renaming the file (overrides -k). This option is
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only used with the 'rename' action.
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-T Only set the file timestamp according to the Exif create time-
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stamp, do not rename the file (overrides -k). This option is
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only used with the 'rename' action. Note: On Windows you may
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have to set the TZ environment variable for this option to work
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correctly.
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-f Do not prompt before overwriting existing files (force over-
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write).
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-F Do not prompt before renaming files (Force rename). Appends '_1'
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('_2', ...) to the name of the new file.
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-a time
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Time adjustment in the format [-]HH[:MM[:SS]]. This option is
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only used with the 'adjust' action. Examples: 1 adds one hour,
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1:01 adds one hour and one minute, -0:00:30 subtracts 30 sec-
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onds.
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-Y yrs Time adjustment by a positive or negative number of years, for
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the 'adjust' action.
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-O mon Time adjustment by a positive or negative number of months, for
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the 'adjust' action.
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-D day Time adjustment by a positive or negative number of days, for
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the 'adjust' action.
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-p mode
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Print mode for the 'print' action. Possible modes are:
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s : print a summary of the Exif metadata (the default)
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a : print Exif, IPTC and XMP metadata (shortcut for -Pkyct)
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t : interpreted (translated) Exif tags (-PEkyct)
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v : plain Exif tag values (-PExgnycv)
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h : hexdump of the Exif data (-PExgnycsh)
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i : IPTC datasets (-PIkyct)
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x : XMP properties (-PXkyct)
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c : JPEG comment
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p : list available image previews, sorted by preview image size
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in pixels
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-P flgs
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Print flags for fine control of the tag list ('print' action).
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Allows control of the type of metadata as well as data columns
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included in the print output. Valid flags are:
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E : include Exif tags in the list
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I : IPTC datasets
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X : XMP properties
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x : print a column with the tag number
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g : group name
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k : key
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l : tag label
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n : tag name
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y : type
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c : number of components (count)
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s : size in bytes
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v : plain data value
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t : interpreted (translated) data
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h : hexdump of the data
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-d tgt Delete target(s) for the 'delete' action. Possible targets are:
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a : all supported metadata (the default)
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e : Exif section
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t : Exif thumbnail only
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i : IPTC data
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x : XMP packet
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c : JPEG comment
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-i tgt Insert target(s) for the 'insert' action. Possible targets are
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the same as those for the -d option, plus a modifier:
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X : Insert metadata from an XMP sidecar file <file>.xmp. The
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remaining insert targets determine what metadata to insert from
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the sidecar file. Possible are Exif, IPTC and XMP and the
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default is all of these. Note that the inserted XMP properties
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include those converted to Exif and IPTC.
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Only JPEG thumbnails can be inserted (not TIFF thumbnails), they
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need to be named file-thumb.jpg.
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-e tgt Extract target(s) for the 'extract' action. Possible targets are
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the same as those for the -d option, plus a target to extract
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preview images and a modifier to generate an XMP sidecar file:
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p[<n>[,<m> ...]] : Extract preview images. The optional comma
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separated list of preview image numbers is used to determine
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which preview images to extract. The available preview images
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and their numbers are displayed with the 'print' option -pp.
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X : Extract metadata to an XMP sidecar file <file>.xmp. The
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remaining extract targets determine what metadata to extract to
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the sidecar file. Possible are Exif, IPTC and XMP and the
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default is all of these.
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-r fmt Filename format for the 'rename' action. The format string fol-
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lows strftime(3) and supports the following keywords:
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:basename: - original filename without extension
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:dirname: - name of the directory holding the original file
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:parentname: - name of parent directory
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Default filename format is %Y%m%d_%H%M%S.
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-c txt JPEG comment string to set in the image ('modify' action). This
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option can also be used with the 'extract' and 'insert' actions
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to modify metadata on-the-fly.
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-m file
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Command file for the 'modify' action. This option can also be
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used with the 'extract' and 'insert' actions to modify metadata
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on-the-fly.
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-M cmd Command line for the 'modify' action. This option can also be
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used with the 'extract' and 'insert' actions to modify metadata
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on-the-fly. The format for the commands is the same as that of
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the lines of a command file.
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-l dir Location (directory) for files to be inserted or extracted.
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-S .suf
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Use suffix .suf for source files in 'insert' action.
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COMMANDS
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Commands for the 'modify' action can be read from a command file, e.g.,
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exiv2 -m cmd.txt image.jpg
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or given on the command line, as in
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exiv2 -M"add Iptc.Application2.Credit String Mr. Smith" image.jpg
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Note the quotes. Multiple -m and -M options can be combined.
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When writing Exif, IPTC and XMP metadata, exiv2 enforces only a correct
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metadata structure. It is possible to write tags with types and values
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different from those specified in the standards, duplicate Exif tags,
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undefined tags, or incomplete metadata. While exiv2 is able to read all
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metadata that it can write, other programs may have difficulties with
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images that contain non standard-conforming metadata.
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Command format
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The format of a command is
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set | add | del key [[type] value]
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set Set the value of an existing tag with a matching key or add the
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tag.
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add Add a tag (unless key is a non-repeatable IPTC key; nothing pre-
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vents you from adding duplicate Exif tags).
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del Delete all occurrences of a tag (requires only a key).
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key Exiv2 Exif, IPTC or XMP key.
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type Byte | Ascii | Short | Long | Rational | Undefined | SShort |
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SLong | SRational | Comment for Exif keys,
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String | Date | Time | Short | Undefined for IPTC keys, and
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XmpText | XmpAlt | XmpBag | XmpSeq | LangAlt for XMP keys.
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A default type is used if none is explicitely given. The default
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is determined based on key.
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value The remaining text on the line is the value. It can optionally
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be enclosed in single quotes ('value') or double quotes
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("value").
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The format of Exif Comment values includes an optional charset
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specification at the beginning:
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[charset=Ascii|Jis|Unicode|Undefined ]comment
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Undefined is used by default if the value doesn't start with a
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charset definition.
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The format for IPTC Date values is YYYY-MM-DD (year, month,
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day), that for IPTC Time values is HH:MM:SS+|-HH:MM, where
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HH:MM:SS refers to local hour, minute and seconds and +|-HH:MM
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refers to hours and minutes ahead or behind Universal Coordi-
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nated Time (+|- means either a + or a - sign is required).
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The format of XMP LangAlt values includes an optional language
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qualifier:
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[lang=language-code ]text
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x-default is used by default if the value doesn't start with a
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language qualifier.
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An additional command is available to register XMP namespaces:
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reg prefix namespace
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Command file format
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Empty lines and lines starting with # in a command file are ignored
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(comments). Remaining lines are commands as described above.
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EXAMPLES
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exiv2 *.jpg
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Prints a summary of the Exif information for all JPEG files in
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the directory.
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exiv2 -pi image.jpg
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Prints the IPTC metadata of the image.
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exiv2 rename img_1234.jpg
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Renames img_1234.jpg (taken on 13-Nov-05 at 22:58:31) to
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20051113_225831.jpg
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exiv2 -r':basename:_%Y%m' rename img_1234.jpg
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Renames img_1234.jpg to img_1234_200511.jpg
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exiv2 -et img1.jpg img2.jpg
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Extracts the Exif thumbnails from the two files into
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img1-thumb.jpg and img2-thumb.jpg.
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exiv2 -it img1.jpg img2.jpg
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Inserts (copies) metadata from img1.exv to img1.jpg and from
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img2.exv to img2.jpg.
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exiv2 -ep1,2 image.jpg
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Extracts previews 1 and 2 from the image to the files image-pre-
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view1.jpg and image-preview2.jpg.
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exiv2 -eiX image.jpg
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Extracts IPTC datasets into an XMP sidecar file image.xmp and in
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the process converts them to "IPTC Core" XMP schema.
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exiv2 -iixX image.jpg
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Inserts IPTC and XMP metadata from an XMP sidecar file image.xmp
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into image.jpg. The resulting IPTC datasets are converted from
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the "IPTC Core" XMP schema properties in the sidecar file to the
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older IPTC IIM4 format. The inserted XMP properties include
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those in the "IPTC Core" XMP schema.
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exiv2 -M"set Exif.Photo.UserComment charset=Ascii New Exif comment" image.jpg
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Sets the Exif comment to an ASCII string.
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exiv2 -M"set Exif.GPSInfo.GPSLatitude 4/1 15/1 33/1" \
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-M"set Exif.GPSInfo.GPSLatitudeRef N" image.jpg
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Sets the latitude to 4 degrees, 15 minutes and 33 seconds north.
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The Exif standard stipulates that the GPSLatitude tag consists
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of three Rational numbers for the degrees, minutes and seconds
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365
|
of the latitude and GPSLatitudeRef contains either 'N' or 'S'
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366
|
for north or south latitude respectively.
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|
367
|
|
|
368
|
exiv2 insert -l/tmp -S.CRW /data/*.JPG
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369
|
Copy all metadata from CRW files in the /tmp directory to JPG
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|
370
|
files with corresponding basenames in the /data directory. Note
|
|
371
|
that this copies metadata as is, without any modifications to
|
|
372
|
adapt it to the requirements of the target format. Some tags
|
|
373
|
copied like this may not make sense in the target image.
|
|
374
|
|
|
375
|
SEE ALSO
|
|
376
|
http://www.exiv2.org/sample.html#modify
|
|
377
|
Sample command files.
|
|
378
|
|
|
379
|
http://www.exiv2.org/metadata.html
|
|
380
|
Taglists with key and default type values.
|
|
381
|
|
|
382
|
AUTHORS
|
|
383
|
exiv2 was written by Andreas Huggel <ahuggel@gmx.net>.
|
|
384
|
|
|
385
|
This manual page was originally written by KELEMEN Peter
|
|
386
|
<fuji@debian.org>, for the Debian project.
|
|
387
|
|
|
388
|
|
|
389
|
|
|
390
|
Sep 10, 2010 EXIV2(1)
|