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GraphicsMagick provides a powerful command line utility which may be used to access all GraphicsMagick functions. Gm uses a consistent set of options (see options documentation). GraphicsMagick provides access to major command modes via a single executable command-line program called 'gm'; for example, to use the "convert" mode, type "gm convert ...". The available command modes and links to their documentation are shown in the following table:
GM Command Mode |
Description |
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animate a sequence of images |
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composite images together |
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execute a Magick Scripting Language (MSL) XML script |
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convert an image or sequence of images |
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display an image on a workstation running X |
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describe an image or image sequence |
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capture an application or X server screen |
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transform an image or sequence of images |
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create a composite image (in a grid) from separate images |
The gm utility makes it easy to perform complex image processing operations using a single command. It may be invoked from scripts, or from other programs in order to automate the processing of thousands of images.
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