[hexxy] init

README.md

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+# Hexxy
+
+A modern alternative to `xxd` and `hexdump`
+
+Huge thanks to ![igoracmelo](https://github.com/igoracmelo/xx) for the idea and reference.
+The idea and code for colorizing xxd/hexdump output in a gradient format came from them.
+
+## Example usage
+```sh
+hexxy /path/to/file.bin
+# dont output with color
+hexxy --no-color /path/to/file.bin
+# refer to multiple files
+hexxy file1 file2 file3
+# read from stdin
+cat mybinary | hexxy
+```