How do you pipe output from a Ruby script to 'head' without getting a broken pipe error
Posted
by dan
on Stack Overflow
See other posts from Stack Overflow
or by dan
Published on 2010-05-16T21:14:46Z
Indexed on
2010/05/16
21:20 UTC
Read the original article
Hit count: 231
I have a simple Ruby script that looks like this
require 'csv'
while line = STDIN.gets
array = CSV.parse_line(line)
puts array[2]
end
But when I try using this script in a Unix pipeline like this, I get 10 lines of output, followed by an error:
ruby lib/myscript.rb < data.csv | head
12080450
12080451
12080517
12081046
12081048
12081050
12081051
12081052
12081054
lib/myscript.rb:4:in `write': Broken pipe - <STDOUT> (Errno::EPIPE)
Is there a way to write the Ruby script in a way that prevents the broken pipe exception from being raised?
© Stack Overflow or respective owner
