bash ascii to hex

Question

was wondering if anyone could help me with converting ascii to hex in bash. Example code:

#!/bin/bash 
STR = \"hello\"
#Convert to hex
HEXVAL = $STR #(in hex         


        

Answer 1

xxd -p -u <<< "$STR" | sed 's/\(..\)/0x&, /g; s/, $//;'

0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x0A