Definition
An instance I of the data type cmd_istream is an C++istream connected to the output of a shell command cmd, i.e., all input operations or operators applied to I read from the standard output of command cmd.
Creation
| cmd_istream | I(string cmd); | creates an instance I of type cmd_istream connected to the output of command cmd. |
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Operations
All operations and operators (>>) defined for C++istreams can be applied to command input streams as well.