/usr/share/gimp/2.0/scripts/bates-layers-delete.scm is in gimp-plugin-registry 5.20120621ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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; The GIMP -- an image manipulation program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Mass delete layers script for GIMP 2.4
; Created by Daniel Bates
;
; Tags: public domain, layers, delete
;
; Author statement:
;
; Script designed to mass delete layers from current image
; User uses numbers to denote start and end point of deletion
;
; --------------------------------------------------------------------
; Distributed by Gimp FX Foundry project
; --------------------------------------------------------------------
; - Changelog -
;
; --------------------------------------------------------------------
;
; This script is released into the public domain.
; You may redistribute and/or modify this script or extract segments without prior consent.
; This script is distributed in the hope of being useful
; but without warranty, explicit or otherwise.
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Define Script
(define (script-fu-delete-layers theImage theDraw theLayer1 theLayer2)
; Define Variables
(let*
(
(theNumber 0)
(theRepeat 0)
(theLayerRef 0)
)
; If the end layer is set below the start layer create an error message and terminate
(if (> theLayer1 theLayer2)
(begin
(set! theLayerRef (car (gimp-message-get-handler)))
(gimp-message-set-handler 0)
(gimp-message "Error: End layer number must be set higher than start layer number!")
(gimp-message-set-handler theLayerRef))
(begin
; Begin an undo group
(gimp-image-undo-group-start theImage)
; Get the number of layers in an image and set to a variable
(set! theNumber (car (gimp-image-get-layers theImage)))
; If layer2 is set above total layers change layer2 value to the total number of layers
(if (> theLayer2 theNumber)
(set! theLayer2 theNumber))
; Set the repeat variable by subtracting the user input values from the total number of layers
(set! theRepeat (+ (- theLayer2 theLayer1) 1))
; Begin loop and continue while repeat is higher than zero
(while (> theRepeat 0)
; Set up variable for setting active layers and attributes
(set! theLayerRef (cadr (gimp-image-get-layers theImage)))
; Alter theNumber for use in setting active layers and attributes
(set! theNumber (car (gimp-image-get-layers theImage)))
(set! theNumber (- theNumber (- theLayer1 1)))
; Set the layer to be editted as the active layer
; (set! theDraw (gimp-image-set-active-layer theImage (aref theLayerRef (- theNumber 1))))
; Delete the specified layer
(gimp-image-remove-layer theImage (aref theLayerRef (- theNumber 1)))
; Alter repeat variable ready for checking for next layer, if applicable
(set! theRepeat (- theRepeat 1))
)
; Update visual display
(gimp-displays-flush)
; End undo group
(gimp-image-undo-group-end theImage)
))
))
; Register script
(script-fu-register "script-fu-delete-layers"
_"Delete Layers..."
_"Deletes layers within the specified range"
"Daniel Bates"
"Daniel Bates"
"Dec 2007"
"*"
SF-IMAGE "SF-IMAGE" 0
SF-DRAWABLE "SF-DRAWABLE" 0
SF-ADJUSTMENT _"Start at which layer?" '(1 1 2000 1 5 0 1)
SF-ADJUSTMENT _"End at which layer?" '(2 1 2000 1 5 0 1)
)
(script-fu-menu-register "script-fu-delete-layers"
"<Image>/FX-Foundry/Multi-Layer Tools")
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