class: Popen This is the single most important class in the whole library and glues together all the helper classes to provide a common interface to the client.
Synopsis
Declared in <util/subprocess.h>
class Popen;Description
API's provided by the class: Popen({"cmd"}, output{..}, error{..}, ....) Command provided as a sequence. wait() ‐ Wait for the child to exit. retcode() ‐ The return code of the exited child. send(...) ‐ Send input to the input channel of the child. communicate(...) ‐ Get the output/error from the child and close the channels from the parent side.
Member Functions
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Description |
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Constructors |
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Returns the return code of the child process, valid after it has exited. |
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Sets the capacity of the buffer used to capture the child's error output. |
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Sets the capacity of the buffer used to capture the child's output. |
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Waits for the child process to exit and returns its status. |
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