Update cheatsheets

enca

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# enca
+
+> Detect and convert the encoding of text files.
+> More information: <https://github.com/nijel/enca>.
+
+- Detect file(s) encoding according to the system's locale:
+
+`enca {{path/to/file1 path/to/file2 ...}}`
+
+- Detect file(s) encoding specifying a language in the POSIX/C locale format (e.g. zh_CN, en_US):
+
+`enca -L {{language}} {{path/to/file1 path/to/file2 ...}}`
+
+- Convert file(s) to a specific encoding:
+
+`enca -L {{language}} -x {{to_encoding}} {{path/to/file1 path/to/file2 ...}}`
+
+- Create a copy of an existing file using a different encoding:
+
+`enca -L {{language}} -x {{to_encoding}} < {{original_file}} > {{new_file}}`