Update cheatsheets

jpegoptim

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# jpegoptim
+
+> Optimise JPEG images.
+> More information: <https://github.com/tjko/jpegoptim>.
+
+- Optimise a set of JPEG images, retaining all associated data:
+
+`jpegoptim {{image1.jpeg}} {{image2.jpeg}} {{imageN.jpeg}}`
+
+- Optimise JPEG images, stripping all non-essential data:
+
+`jpegoptim --strip-all {{image1.jpeg}} {{image2.jpeg}} {{imageN.jpeg}}`
+
+- Force the output images to be progressive:
+
+`jpegoptim --all-progressive {{image1.jpeg}} {{image2.jpeg}} {{imageN.jpeg}}`
+
+- Force the output images to have a fixed maximum filesize:
+
+`jpegoptim --size={{250k}} {{image1.jpeg}} {{image2.jpeg}} {{imageN.jpeg}}`