[#subprocess-Popen-2constructor-07]
= xref:subprocess.adoc[subprocess]::xref:subprocess/Popen.adoc[Popen]::Popen
:relfileprefix: ../../
:mrdocs:

Constructors

== Synopses

Declared in `<util/subprocess.h>`

Launches a child process from a command given as an initializer list, plus options.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename... Args>
xref:subprocess/Popen/2constructor-06.adoc[Popen](
    std::initializer_list<char const*> cmd_args,
    Args&&... args);
----

[.small]#xref:subprocess/Popen/2constructor-06.adoc[_» more..._]#

Launches a child process from a command given as a vector of strings, plus options.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename... Args>
xref:subprocess/Popen/2constructor-0f.adoc[Popen](
    std::vector<std::string> vargs_,
    Args&&... args);
----

[.small]#xref:subprocess/Popen/2constructor-0f.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cmd_args*
| Command and its arguments, the first element being the program to run.
| *args*
| Option objects (such as input, output, error, or executable) configuring the launch.
| *vargs_*
| Command and its arguments, the first element being the program to run.
|===


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