[#subprocess-output]
= xref:subprocess.adoc[subprocess]::output
:relfileprefix: ../
:mrdocs:

Option to specify the output channel for the child process. It can be: 1. An already open file descriptor. 2. A file name. 3. IOTYPE. Usually a PIPE.

== Synopsis

Declared in `<util/subprocess.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct output;
----

== Description

Eg: output{PIPE} OR output{"output.txt"}

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:subprocess/output/2constructor-06.adoc[`output`]         [.small]#[constructor]#
| Constructors
|===


== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:subprocess/output/rd_ch_.adoc[`rd_ch_`] 
| Read end of the channel, or ‐1 if unused.
| xref:subprocess/output/wr_ch_.adoc[`wr_ch_`] 
| Write end of the channel, or ‐1 if unused.
|===



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