Ruby character to ascii from a string

Question

this wiki page gave a general idea of how to convert a single char to ascii http   en wikibooks org wiki Ruby Programming ASCII  But say if I have a string and I wanted to get each character s ascii from it  what do i need to do    string  each byte do  c         char   c chr        ascii    char       puts  ascii end   It doesn t work because it s not happy with the line  ascii    char  syntax error  unexpected            ascii    char

User · Answer

please refer to this post for the changes in ruby1 9 Getting an ASCII character code in Ruby using      question mark  fails

User · Answer

The c variable already contains the char code    string  each byte do  c      puts c end   yields  115 116 114 105 110 103

User · Answer

You could also just call to a after each byte or even better String bytes    gt   hello world  each byte to a   gt   104  101  108  108  111  32  119  111  114  108  100     gt   hello world  bytes   gt   104  101  108  108  111  32  119  111  114  108  100

User · Answer

Ruby String provides the codepoints method after 1 9 1   str    hello world  str codepoints to a   gt   104  101  108  108  111  32  119  111  114  108  100    str          str codepoints to a   gt   20320  22909  19990  30028

User · Answer

puts  string  split     map  amp  ord  to s

User · Answer

a  0    or   a   Both would return their ASCII equivalent

User · Answer

use  x  ord for a single character or  xyz  sum for a whole string

[ruby] Ruby: character to ascii from a string

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