Update cheatsheets

7z

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# 7z
+
+> File archiver with a high compression ratio.
+> More information: <https://manned.org/7z>.
+
+- [a]dd a file or directory to a new or existing archive:
+
+`7z a {{path/to/archive.7z}} {{path/to/file_or_directory}}`
+
+- Encrypt an existing archive (including filenames):
+
+`7z a {{path/to/encrypted.7z}} -p{{password}} -mhe=on {{path/to/archive.7z}}`
+
+- E[x]tract an archive preserving the original directory structure:
+
+`7z x {{path/to/archive.7z}}`
+
+- E[x]tract an archive to a specific directory:
+
+`7z x {{path/to/archive.7z}} -o{{path/to/output}}`
+
+- E[x]tract an archive to `stdout`:
+
+`7z x {{path/to/archive.7z}} -so`
+
+- [a]rchive using a specific archive type:
+
+`7z a -t{{7z|bzip2|gzip|lzip|tar|zip}} {{path/to/archive}} {{path/to/file_or_directory}}`
+
+- [l]ist the contents of an archive:
+
+`7z l {{path/to/archive.7z}}`
+
+- Set the level of compression (higher means more compression, but slower):
+
+`7z a {{path/to/archive.7z}} -mx={{0|1|3|5|7|9}} {{path/to/file_or_directory}}`