Update cheatsheets

tldr/freebsd/base64

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, freebsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# base64
+
+> Encode or decode file or `stdin` to/from base64, to `stdout` or another file.
+> More information: <https://man.freebsd.org/cgi/man.cgi?query=base64>.
+
+- Encode a file to `stdout`:
+
+`base64 {{-i|--input}} {{path/to/file}}`
+
+- Encode a file to the specified output file:
+
+`base64 {{-i|--input}} {{path/to/input_file}} {{-o|--output}} {{path/to/output_file}}`
+
+- Wrap encoded output at a specific width (`0` disables wrapping):
+
+`base64 {{-b|--break}} {{0|76|...}} {{path/to/file}}`
+
+- Decode a file to `stdout`:
+
+`base64 {{-d|--decode}} {{-i|--input}} {{path/to/file}}`
+
+- Encode from `stdin` to `stdout`:
+
+`{{command}} | base64`
+
+- Decode from `stdin` to `stdout`:
+
+`{{command}} | base64 {{-d|--decode}}`