How do you remove line break from string in Ruby?
> puts "a\nb\nc"
a
b
c
In Ruby
delete
Just delete line breaks.
> "a\nb\nc".delete("\n")
=> "abc"
ref. (Japanese) Array#delete
tr
Replace line breaks with tabs.
> "a\nb\nc".tr("\n", "\t")
=> "abc"
ref. (Japanese) String#tr
In Rails
squish
In Rails, squish can be used. line breaks are replaced with white spaces.
> "a\nb\nc".squish
=> "a b c"
All whitespace characters are replaced with one white spaces.
> " a\nb\tc ".squish
=> "a b c"
ref. String squish()