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gifsicle: improve description and examples (#12247)

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* gifsicle: improve description and examples

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Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
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Vitor Henrique 2024-02-13 10:05:43 -03:00 • committed by GitHub
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pages/common/gifsicle.md
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@ -1,19 +1,19 @@
# gifsicle
> GIF manipulator.
> Create, edit, manipulate, and get information about GIF files.
> More information: <https://www.lcdf.org/gifsicle>.
- Optimize a GIF as a new file:
`gifsicle {{path/to/input.gif}} --optimize=3 -o {{path/to/output.gif}}`
- Unoptimize a GIF in place:
- Use [b]atch mode (modify each given file in place) and unoptimize a GIF:
`gifsicle -b {{path/to/input.gif}} --unoptimize`
- Extract a frame from a GIF:
`gifsicle {{path/to/input.gif}} '#{{0}}' > {{path/to/firstframe.gif}}`
`gifsicle {{path/to/input.gif}} '#{{0}}' > {{path/to/first_frame.gif}}`
- Make a GIF animation from selected GIFs:
@ -27,6 +27,6 @@
`gifsicle -b {{path/to/input.gif}} --delete '#{{0-9}}' '#{{20-}}'`
- Modify all frames of a GIF using specific transformation options:
- Modify all frames by cropping them to a rectangle, changing their scale, flipping them, and rotating them:
`gifsicle -b --crop {{50}},{{50}}+{{-50}}x{{-50}} --scale {{0.25}} --flip-horizontal --rotate-90 {{path/to/input.gif}}`
`gifsicle -b --crop {{starting_x}},{{starting_y}}+{{rect_width}}x{{rect_height}} --scale {{0.25}} --flip-horizontal --rotate-{{90|180|270}} {{path/to/input.gif}}`