Assembling a string of characters?

ruby-talk
1

hello,

how to create a string from variables containing numeric values of range
0…255?

print “\32\32\32” # => ’ ’

#i tried the following:
a = 32
"\#{a}"*3 # => ‘\32\32\32’

now i would like to let ruby process the result again to get the desired
result ’ '.

  1. how to invoke string processing?
  2. there must be an easier way to assemle characters to a string?
  • Hénon
2

Hi,

Meinrad Recheis meinrad.recheis@aon.at writes:

how to create a string from variables containing numeric values of range
0…255?

print “\32\32\32” # => ’ ’

#i tried the following:
a = 32
“\#{a}”*3 # => ‘\32\32\32’

now i would like to let ruby process the result again to get the desired
result ’ '.

% irb

a = 32
=> 32
a.chr * 3
=> " "
format(“%c”, a) * 3
=> " "
(“%c” % a) * 3
=> " "
([a].pack “c”) * 3
=> " "

···

–
eban

3

a = 32
s = ‘’ << a # => ’ ’