#!/usr/bin/ruby

#
## Unicode characters in variable name
#

var îșțh = "- Șe t©t fași băi?
- ßiene băi „țărane”, î§ în «U€».";
îșțh.say;

'-' * 80 -> say;

var chars = îșțh.chars;
chars->join("_")->say;

#######################################################

#
## Bytes
#

'-' * 80 -> say;

var b = ('c'->ord);
"byte '%d' made uppercase, is: %s\n".printf(b, (b - 32 -> chr));

'-' * 80 -> say;

var bytes = "Șarpe".bytes;   # splits on bytes!

bytes.join_bytes.say;
"The character 'Ș' is composed of two bytes: " + ([bytes[0,1]])->say;
"Then comes the character 'a', which is: " + (bytes[2].to_s) + " (" + (bytes[2].chr.to_s) + ")"->say;

bytes[0] = 200;   # Keep the first byte as it is
bytes[1] = 154;   # and change the 'S' to 'T', resulting in 'Ț'
bytes.join_bytes.say;   # prints: 'Țarpe'

#######################################################

#
## Characters
#

'-' * 80 -> say;

var sidef = "șopârlă".chars;     # splits on characters!
sidef.join('-').say;
sidef[1]->say;
sidef[2]->say;
sidef[3]->say;
sidef[4]->say;
sidef[5]->say;
sidef[6]->say;

'-' * 80 -> say;

#######################################################

"Chinese characters: 文化交流学院"->say;

'-' * 80 -> say;

var chinese_chars = "文化交流学院".chars;
chinese_chars.join(" . ").say;

'-' * 80 -> say;

var chinese_bytes = chinese_chars.join('').bytes;
chinese_bytes.join_bytes.say;
"Is composed from %d bytes.\n"->printf(chinese_bytes.len);

'-' * 80 -> say;

#######################################################