xxd -g1 |
hexdump -C |
od -Ax -tx1 |
|
|---|---|---|---|
| Can display hex with ASCII side-by-side | Yes | Yes | No |
| Performance (*1) | Fastest | Slowest | Middle |
| Program size | 12KB | 16KB | 16KB |
| Age | Middle | Youngest | Oldest |
| Meaning of arguments | -g1 is to separate hex separating each byte. |
-C is to display ASCII to the right of hex. |
-Ax is to display address in hex. -tx1 is to display hex separating each byte. |
(*1) Performance comparison
$ time -f '%e' cat /bin/sh | xxd -g1 > /dev/null
0.03
$ time -f '%e' cat /bin/sh | hexdump -C > /dev/null
0.17
$ time -f '%e' cat /bin/sh | od -Ax -tx1 > /dev/null
0.07