System Programming

Tools for system programming

Modules
	Interprocess Communication

Functions
std::string	mx::sys::getEnv (const std::string &estr)
	Return the value of an environment variable. More...

Function Documentation

getEnv()

std::string mx::sys::getEnv

(

const std::string &

estr

)

Return the value of an environment variable.

Call the standard getenv function, but handles the null pointer as an empty string.

Returns

the value of the environment varialbe, or empty string if it doesn't exist

Parameters

[in]

estr

is the name of the environment variable to query

Definition at line 33 of file environment.cpp.

Referenced by mx::AO::sim::simulatedAOSystem< _realT, _wfsT, _reconT, _filterT, _dmT, _turbSeqT, _coronT >::simulatedAOSystem(), mx::math::fft::fftw_wisdom_filename(), mx::AO::path::basis::root(), mx::AO::path::dm::root(), mx::AO::path::pupil::root(), mx::AO::path::sys::root(), mx::app::application::setDefaults(), and mx::astro::astroSpectrum< _spectrumT, freq >::setParameters().