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I want to write some simple scripts to use in batch mode, such as doing a resolution resize, or converting from rgb to grayscale.

The old scripts repository seems to have been taken down. I am looking for the most basic, bare-bones scripts that work. If these already exist, there's no need for me to reinvent the wheel!

I have read in the procedure browser how to get the functions I want, but the scripting language is not familiar to me yet. Are there any examples of super basic functions collected anywhere?

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    Hi. Welcome to GDSE. There are various scripts available at gimphelp.org - I'm not affiliated with this site. – Billy Kerr Jul 23 at 6:51
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You can write your Gimp scripts in Python. Python support is built-in since Gimp 2.8.

An example of a batch Python script: https://stackoverflow.com/questions/44430081/how-to-run-python-scripts-using-gimpfu-from-windows-command-line/44435560#44435560

However, most simple image editing is better done with tools like ImageMagick. For instance, my script to resize pictures to 1200px, with a little boost in the saturation and some light sharpening:

for f in "$dir/"*.JPG; 
do
    convert "$f" -modulate 100,120  -geometry 3000 -sharpen 0x1.0 -quality 85 "$dir/$(basename "$f" .JPG).jpg"
done

(this is a bash script, of course on Windows you could do that in a .BAT or Powershell script).

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