Encode/Decode ascii code.
$ git clone https://github.com/takubokudori/ascii-rs
$ cargo install --path ascii-rs --force
$ ascii test
| CHR | DEC | HEX |
+-------+-------+-------+
| [ t ] | 116 | 0x74 |
| [ e ] | 101 | 0x65 |
| [ s ] | 115 | 0x73 |
| [ t ] | 116 | 0x74 |
+-------+-------+-------+
$ ascii -d 116 101 0x73 0x74
| CHR | DEC | HEX |
+-------+-------+-------+
| [ t ] | 116 | 0x74 |
| [ e ] | 101 | 0x65 |
| [ s ] | 115 | 0x73 |
| [ t ] | 116 | 0x74 |
+-------+-------+-------+