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I try to write a .bat file with the following command-line

C:\Programme\ImageMagick-7.0.7-Q16\magick mogrify -path C:\temp\size -resize 21.15% -compress LZW *.tif

I create it the following way:

  • Open MS Editor
  • insert the text
  • save as xy.bat

When I run the xy.bat the “%” from "21.15%" is gone. What went wrong?

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    Why is the command in your image different from the command in the text of your question?
    – AFH
    Nov 7, 2017 at 23:03
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    Try doubling the percent sign. This is a special character in batch files. It’ll work if you specify ‘21.15%%’. (Quotes then not needed). For example, %1, %2, %3, ... refer to command line parameters. %0 refers to the batch file. Then you have environment variables which are referred to as %varName%, %otherVarName%, etc.
    – BillP3rd
    Nov 8, 2017 at 6:43
  • It works. The funny thing is, that it also works when I copy the command-line into the ms prompt.
    – UliW
    Nov 8, 2017 at 7:06

1 Answer 1

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It's difficult to see what is going wrong as your example and command line don't match, however, try putting single quotes around the parameter value:

C:\Programme\ImageMagick-7.0.7-Q16\magick mogrify -path C:\temp\size -resize '21.15%' -compress LZW *.tif

Examples from the Image Magick website on command line image geometry arguments: https://www.imagemagick.org/script/command-line-processing.php#geometry

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