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--- doc:appunti:linux:gimp_batch [2022/11/23 17:20] – [The erode filter] niccolo
+++ doc:appunti:linux:gimp_batch [2022/11/23 17:29] – [Call the script from the command line] niccolo
@@ Line 3: / Line 3: @@
 I had a set of many scanned images from magazine pages, the sizes were varying and I wanted to apply the GIMP **erode filter** to enhance the text readability. Generally for image batch processing I use **Imagemagick** from the command line, but I was not able to reproduce the erode filter with Imagemagick, so I searched the recipe to do **batch processing** with the GIMP.
-===== The erode filter =====
+===== The plug-in-erode filter =====
 You can apply the erode filter in GIMP from menu //Filters// => //Generic// => //Erode//. There is no dialog box to control the filter parameters, but it turned out that when you want to call the **plug-in-erode** function from a script you have to pass several parameters.
@@ Line 42: / Line 42: @@
     (gimp-image-delete image)))
 </file>
+Copy the script into the **$HOME/.config/GIMP/2.10/scripts/** directory, no particular action is required to enable it.
+===== Call the script from the command line =====
+Now it is possibile to execute the GIMP in batch mode, using the **%%-b%%** option. Calling the custom function ''simple-myerode'' you can pass the paramteres:
+<code bash>
+#!/bin/bash
+gimp -i -b "(simple-myerode \"IMAGE.JPG\" 0 0 0 0 0 0)" -b '(gimp-quit 0)'
+</code>