capture2(*cmd)
Class Public methods
::capture2 captures the standard output of a command.
stdout_str, status = Open3.capture2([env,] cmd... [, opts])
The arguments env, cmd and opts are passed to ::popen3 except opts and opts. See Process.spawn.
If opts is specified, it is sent to the command's standard input.
If opts is true, internal pipes are set to binary mode.
Example:
# factor is a command for integer factorization.
o, s = Open3.capture2("factor", :stdin_data=>"42")
p o #=> "42: 2 3 7\n"
# generate x**2 graph in png using gnuplot.
gnuplot_commands = <<"End"
set terminal png
plot x**2, "-" with lines
1 14
2 1
3 8
4 5
e
End
image, s = Open3.capture2("gnuplot", :stdin_data=>gnuplot_commands, :binmode=>true)
Please login to continue.