This page contains automated test results for code from O'Reilly's Ruby Cookbook. If this code looks interesting or useful, you might want to buy the whole book.

Processing a String One Character at a Time
CodeExpectedActual
'foobar'.each_byte { |x| puts "#{x} = #{x.chr}" }
 
102 = f
111 = o
111 = o
98 = b
97 = a
114 = r
 
102 = f
111 = o
111 = o
98 = b
97 = a
114 = r
 
'foobar'.scan( /./ ) { |c| puts c }
 
f
o
o
b
a
r
 
f
o
o
b
a
r
 
"foo\nbar".each { |x| puts x }
 
foo
bar
 
foo
bar
 
french = "\xc3\xa7a va"
french.scan(/./) { |c| puts c }
 
Ã
§
a

v
a
 
Ã
§
a
 
v
a
 
french.scan(/./u) { |c| puts c }
 
ç
a

v
a
 
ç
a
 
v
a
 
$KCODE = 'u'
french.scan(/./) { |c| puts c }
 
ç
a

v
a
 
ç
a
 
v
a