Update cheatsheets

osx/plutil

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+---
+syntax: markdown
+tags: [tldr, osx]
+source: https://github.com/tldr-pages/tldr.git
+---
+# plutil
+
+> View, convert, validate, or edit property list ("plist") files.
+> More information: <https://keith.github.io/xcode-man-pages/plutil.1.html>.
+
+- Display the contents of one or more plist files in human-readable format:
+
+`plutil -p {{file1.plist file2.plist ...}}`
+
+- Convert one or more plist files to XML format, overwriting the original files in-place:
+
+`plutil -convert xml1 {{file1.plist file2.plist ...}}`
+
+- Convert one or more plist files to binary format, overwriting the original files in-place:
+
+`plutil -convert binary1 {{file1.plist file2.plist ...}}`
+
+- Convert a plist file to a different format, writing to a new file:
+
+`plutil -convert {{xml1|binary1|json|swift|objc}} {{path/to/file.plist}} -o {{path/to/new_file.plist}}`
+
+- Convert a plist file to a different format, writing to `stdout`:
+
+`plutil -convert {{xml1|binary1|json|swift|objc}} {{path/to/file.plist}} -o -`