Hex encode/decode cli tool

0. Usage

Usage: cli-hex [OPTIONS]

Options:
  -t, --text <TEXT>  read in text mode (default)
  -f, --file <FILE>  read in file mode
  -d, --decode       decode text or file
  -l, --lower        output lower alphabet
  -h, --help         Print help

1. Encode text

cli-hex -t text_need_encode
// 746578745F6E6565645F656E636F6465

2. Decode text

cli-hex -d -t 746578745F6E6565645F6465636F6465
// text_need_decode

3. Encode file

cli-hex -f ./file_to_encode.txt
// 746578745F746F5F656E636F6465

4. Decode file

cli-hex -d -f ./file_to_decode.txt
// text_need_decode