Number Encoding
Numbers in Bitcoin script require to be encoded in little endian hexadecimal. BitcoinJS takes care of that, but in case you need it there is a bash script for that, int2lehex.sh.
Instructions:
$ cd code/tools
$ int2lehex.sh 42
Integer: 42
LE Hex: 2a
Length: 1 bytes
Hexcode: 012a|
If you have a |