Creating Thumbnails: Extracting embedded thumbnails with Exiv2
- If not installed, download and install Exiv2
- Create a batch file as listed below
- Open: Edit > Settings > Thumbnails
- Check Create thumbnails with own external program
- Write into the text field under External image creation application:
"Path_to_Batch_file" "%s"
where"Path_to_Batch_file"
is something like"C:\Batch\exiv2.bat"
(the folder path where the batch file is stored including the batch file name)
Batch File
Written by Matthias Vonken. You have to fit the path to exiv2.exe
.
@echo off set IMAGE=%1 rem Extracting image file name and remove suffix for %%i in (""%IMAGE%"") do set THUMB_ROOT=%%~ni rem Suffix of thumbnails created by Exiv2 set THUMB_SUFFIX=-preview1.jpg rem Joining image filename and Exiv2 suffix set THUMB="%THUMB_ROOT%%THUMB_SUFFIX%" set TEMP_THUMBNAIL_FOLDER=%TMP% rem Creating thumbnail "C:\exiv2\exiv2.exe" -ep1 -l%TEMP_THUMBNAIL_FOLDER% %IMAGE% rem Writing thumbnail into standard out type "%TEMP_THUMBNAIL_FOLDER%"\%THUMB% rem Deleting thumbnail del "%TEMP_THUMBNAIL_FOLDER%"\%THUMB%
Author: Elmar Baumann
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Status of this document: 2011-04-26