Reading from another process
Input and Output in Ruby example from a Well House Consultants training course
More on Input and Output in Ruby [link]
Source code: d3_3 Module: R106
# Reading from another process
# IO.popen opens a stream, and the stream handle it
# returns has the same interface as the file handle
# returned by file.new
report = IO.popen "ifconfig -a"
report.readlines.each do |current_line|
if /\sinet\s/.match current_line
WomanWithCat:r106 grahamellis$ ruby d3_3
inet 127.0.0.1 netmask 0xff000000
inet 192.168.200.39 netmask 0xffffff00 broadcast 192.168.200.255
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