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.
| Managing Whitespace | ||
|---|---|---|
| Code | Expected | Actual |
" \tWhitespace at beginning and end. \t\n\n".strip |
"Whitespace at beginning and end." | "Whitespace at beginning and end." |
s = "Some text." s.center(15) |
" Some text. " | " Some text. " |
s.ljust(15) |
"Some text. " | "Some text. " |
s.rjust(15) |
" Some text." | " Some text." |
#Normalize Ruby source code by replacing tabs with spaces
ruby_ode.gsub("\t", " ")
#Transform Windows-style newlines to Unix-style newlines
"Line one\n\rLine two\n\r".gsub("\n\r", "\n") |
"Line one\nLine two\n" | "Line one\nLine two\n" |
#Transform all runs of whitespace into a single space character "\n\rThis string\t\t\tuses\n all\tsorts\nof whitespace.".gsub(/\s+/, " ") |
" This string uses all sorts of whitespace." | " This string uses all sorts of whitespace." |
" \bIt's whitespace, Jim,\vbut not as we know it.\n".gsub(/[\s\b\v]+/, " ") |
" It's whitespace, Jim, but not as we know it. " | " It's whitespace, Jim, but not as we know it. " |
s = " Whitespace madness! " s.lstrip |
"Whitespace madness! " | "Whitespace madness! " |
s.rstrip |
" Whitespace madness!" | " Whitespace madness!" |
"four".center(5) |
"four " | "four " |
"four".center(6) |
" four " | " four " |