ivuorinen/cheatsheet-tldr
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Update cheatsheets

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ivuorinen
2024-05-21 00:14:14 +00:00
parent fc41505b06
commit 32f272ee5f
2 changed files with 8 additions and 4 deletions
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8
tldr/convert
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@@ -21,13 +21,13 @@ source: https://github.com/tldr-pages/tldr.git
`convert {{path/to/input_image.png}} -resize 640x480 {{path/to/output_image.png}}`
- Horizontally append images:
- Scale an image to have a specified file size:
`convert {{path/to/image1.png path/to/image2.png ...}} +append {{path/to/output_image.png}}`
`convert {{path/to/input_image.png}} -define jpeg:extent=512kb {{path/to/output_image.jpg}}`
- Vertically append images:
- Vertically/Horizontally append images:
`convert {{path/to/image1.png path/to/image2.png ...}} -append {{path/to/output_image.png}}`
`convert {{path/to/image1.png path/to/image2.png ...}} {{-append|+append}} {{path/to/output_image.png}}`
- Create a GIF from a series of images with 100ms delay between them:

4
tldr/linux/arecord
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@@ -27,3 +27,7 @@ source: https://github.com/tldr-pages/tldr.git
- Allow interactive interface (e.g. use space-bar or enter to play or pause):
`arecord --interactive`
- Test your microphone by recording a 5 second sample and playing it back:
`arecord -d 5 test-mic.wav && aplay test-mic.wav && rm test-mic.wav`