OS 1.9.0 (Linux): EnergyPlus not running in command terminal

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This bug report applies to the EnergyPlus package bundled with OpenStudio 1.9.0, version for Linux.

When trying to run EnergyPlus separate from OpenStudio, I first entered in command terminal:

export ENERGYPLUS_DIR=/usr/local/share/openstudio-1.9.0/EnergyPlus-8-3-0
export PATH=$PATH:$ENERGYPLUS_DIR
export ENERGYPLUSWEATHER=$ENERGYPLUSDIR/WeatherData

After this, the following command should start a simulation:

runenergyplus EPinputfile.idf weatherfile.epw

However, this fails with the following error message:

..did not find 'EnergyPlus'