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54 lines
1.3 KiB
Markdown
54 lines
1.3 KiB
Markdown
---
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title: XZ Utils
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homepage: https://tukaani.org/xz/
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tagline: |
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XZ Utils is free general-purpose data compression software with a high compression ratio.
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---
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### Updating `xz`
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`webi xz@stable`
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The Windows builds are the official builds. The Mac and Linux builds are from
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[github.com/therootcompany/xz-static](https://github.com/therootcompany/xz-static).
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## Cheat Sheet
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`xz` and `unxz` are modern alternatives to `gzip` (and `gunzip`). They use LZMA2
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(de)compression (like 7z), and is supported across many platforms, and by `tar`.
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Here's the shortlist of options we've found most useful:
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```txt
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-z, --compress force compression
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-d, --decompress force decompression
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-l, --list list information about .xz files
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-k, --keep keep (don't delete) input files
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-c, --stdout write to standard output and don't delete input files
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-0 ... -9 (de)compression can take up to 4gb RAM at 7-9 (default 6)
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-e, --extreme try to improve compression ratio by using more CPU time
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-T, --threads=N use up to N threads; set to 0 to match CPU cores (default 1)
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```
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### How to "Unzip"
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```bash
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unxz -k example.xz
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```
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```bash
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tar xvf example.tar.xz
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```
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### How to "Zip"
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```bash
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xz -k ./example
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```
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```bash
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tar cvf example.tar.xz ./example
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```
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