how to print data in hex format?

linqinghan commented 5 years ago

Excute me, I Have a program,how can't I print the array in hex format?

int my_array[] = {10, 15 20};

print like this:

0xA, 0xF, 0x14

thanks!

SergiusTheBest commented 5 years ago

There is no such feature out of the box. However I'm thinking about adding it. For now you can use hex::dumper manipulator from http://nlitsme.github.io/posts/hexdumper-for-c%2B%2B-iostreams

linqinghan commented 5 years ago

ok, thanks!

stonedreamforest commented 5 years ago

+1

Ryder17z commented 3 years ago

Sadly that link is now expired.

SergiusTheBest commented 3 years ago

@Ryder17z You can use this one: https://github.com/nlitsme/cpputils

SergiusTheBest commented 2 years ago

Now plog supports hex dumps: https://github.com/SergiusTheBest/plog/blob/cab41842b0fdc496241e4a6e413ddc02a1574334/samples/HexDump/Main.cpp#L19-L41 The sample output is:

2022-04-22 21:07:31.616 INFO  [208947] [main@28] v: 0a 00 00 00 14 00 00 00  1e 00 00 00 28 00 00 00  40 42 0f 00 80 84 1e 00  c0 c6 2d 00
2022-04-22 21:07:31.616 INFO  [208947] [main@29] v: 0a 00 00 00 14 00 00 00 1e 00 00 00 28 00 00 00 40 42 0f 00 80 84 1e 00 c0 c6 2d 00
2022-04-22 21:07:31.616 INFO  [208947] [main@30] v: 0a000000140000001e0000002800000040420f0080841e00c0c62d00
2022-04-22 21:07:31.616 INFO  [208947] [main@31] v: 0a 00 00 00|14 00 00 00|1e 00 00 00|28 00 00 00|40 42 0f 00|80 84 1e 00|c0 c6 2d 00
2022-04-22 21:07:31.616 INFO  [208947] [main@32] v: 0a00000014000000 1e00000028000000 40420f0080841e00 c0c62d00
2022-04-22 21:07:31.616 INFO  [208947] [main@35] s: 48 65 6c 6c 6f 21
2022-04-22 21:07:31.616 INFO  [208947] [main@38] p: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  34 20 30 30 20 30 30 20  30 30 20 20 31 65 20 30  30 20 30 30 20 30 30 20  32 38 20 30 30 20 30 30  20 30 30 20 20 34 30 20  34 32 20 30 66 20 30 30  20 38 30 20 38 34 20 31  65 20 30 30 20 20 63 30  20 63 36 20 32 64 20 30  30 00 54 90 00 00 00 00  6b a8 5b 90
2022-04-22 21:07:31.616 INFO  [208947] [main@41] arr: ff 00 00 00 ff 01 00 00  ff ff 00 00

SergiusTheBest / plog

how to print data in hex format? #111