100 lines
3.8 KiB
Markdown
100 lines
3.8 KiB
Markdown
## Caesium CommandLineTools
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###### caesium-clt - v0.18.0-beta (build 20221106)
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###### REQUIREMENTS
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* [libcaesium](https://github.com/Lymphatus/libcaesium) >= 0.9.3
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###### Included libraries
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* [optparse](https://github.com/skeeto/optparse)
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* [tinydir](https://github.com/cxong/tinydir)
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----------
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###### TESTED PLATFORMS
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* macOS Monterey (v12.6)
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* Ubuntu 22.04
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* Windows 10
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----------
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###### COMPILATION
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See INSTALL.md for more details.
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----------
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###### COMMAND LINE ARGUMENTS
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- `-q, --quality [value]` {Required}
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Sets the quality of the image. The higher the value is, better the result will be. Note that a value of 0 will mean
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_lossless_ compression, which will not modify the original image, but will compress less. Allowed range is [0. 100].
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A common value for lossy compression is 80.
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- `-e, --exif`
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Keeps the JPEG metadata information during compression. File size will be slightly higher.
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- `-o, --output [value]` {Required}
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Path to the output folder where the compressed files will be stored. Can be the same input folder, which will overwrite the original files.
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- `-R, --recursive`
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If the input is a folder, caesiumclt will also scan every subfolder searching for images.
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Note that this may end up building a large set of files to be compressed and should be used carefully.
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- `-S, --keep-structure`
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If the input is a folder, and the `-R` option is set, caesiumclt will compress all the files keeping the original folder structure.
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- `-O, --overwrite`
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Sets the overwrite policy: `all` will overwrite any existing file, `prompt` will ask each time before overwriting, `bigger` will overwrite bigger files only, and `none` will silently skip existing files.
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- `-d, --dry-run`
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If this option is set, no files will be compressed, but the entire process will just be simulated.
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Useful for checking if all the files will be correctly handled.
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- `-Q, --quiet`
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Suppress all output. Output from the libcaesium library will still be outputted.
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- `-h, --help`
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Displays a summary of the command line arguments, much like this one you're reading.
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- `-v, --version`
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Prints the current caesiumclt version.
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----------
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###### USAGE EXAMPLES
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Losslessly compress ```image1.jpg```, located in the ```home``` directory, into a folder called ```output```
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```
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$ caesiumclt -q 0 -o ~/output/ ~/image.jpg
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```
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Compress ```image1.jpg```, located in the ```home``` directory, into a folder called ```output``` with lossy compression and quality set to 80
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```
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$ caesiumclt -q 80 -o ~/output/ ~/image.jpg
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```
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Losslessly compress ```image1.jpg```, located in the ```home``` directory, into a folder called ```output``` and keeps EXIF metadata
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```
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$ caesiumclt -q 0 -e -o ~/output/ ~/image.jpg
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```
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Losslessly compress ```Pictures``` folder and subfolders, located in the ```home``` directory, into a folder called ```output```
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```
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$ caesiumclt -q 0 -R -o ~/output/ ~/Pictures
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```
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Losslessly compress ```Pictures``` folder and subfolders, located in the ```home``` directory, into a folder called ```output``` retaining the input folder structure
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```
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$ caesiumclt -q 0 -RS -o ~/output/ ~/Pictures
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```
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----------
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###### CHANGELOG
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* 0.18.0-beta - Fixed Windows build + libcaesium 0.9.3
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* 0.17.0-beta - libcaesium 0.9.2
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* 0.16.0-beta - Using libcaesium Rust library
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* 0.15.2-beta - Fixed Windows -RS bug
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* 0.15.1-beta - Fixed rename bug on Windows + "Compressing..." message
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* 0.15.0-beta - Support for libcaesium 0.5.0
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* 0.14.0-beta - Added --quiet option
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* 0.13.1-beta - Bugfix
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* 0.13.0-beta - Bugfix
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* 0.12.1-beta - Bugfix
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* 0.12.0-beta - Resizing (experimental)
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* 0.11.0-beta - Fixing paths issues and dry-run option
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* 0.10.2-beta - Bugfixes & full Windows support
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* 0.10.1-beta - All features are available
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* 0.10.0-beta - Switched to cmake build system and libcaesium
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* 0.9.1-beta - Initial development stage
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