How to execute an external program - Ruby equivalents to PHP

PHP has these:

shell_exec – Execute command via shell and return the complete output
as a
string
system – Execute an external program and display the output
passthru – Execute an external program and display raw output
exec – Execute an external program

And a few more that I don’t use. Does Ruby have equivalents? I am
especially
intersted in a shell_exec counterpart.

thanks

On Aug 5, 2006, at 3:12 PM, tesla wrote:

especially
intersted in a shell_exec counterpart.

thanks

backticks:

result = echo Hello World!

Thanks!

There are a few others, like #system (I believe). Check out the
documentation for Kernel.

M.T.

On 8/6/06, Matt T. [email protected] wrote:

There are a few others, like #system (I believe). Check out the
documentation for Kernel.

check popen3 out as well

martin

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