.. _TUT\:sec\:environment: Environment and EMIL Commands ============================= The following are basic and most common commands for the |molcas| environment variables and input language (EMIL): .. class:: variablelist :variable:`MOLCAS` |molcas| home directory. :variable:`MOLCAS_MEM` Memory definition in Mb. Default 1024. :variable:`MOLCAS_PRINT` Printing level: 2 Normal, 3 Verbose :variable:`MOLCAS_PROJECT` Name used for the project/files. :variable:`MOLCAS_WORKDIR` Scratch directory for intermediate files. .. class:: commandlist :command:`>> Do While` Start of a loop in an input file for geometry optimization with conditional termination. :command:`>> Foreach` Start of a loop in an input file over a number of items. :command:`>> EndDo` End of a loop in an input file. :command:`>> If ( condition )` Start of If block. :command:`>> EndIf` End of If block. :command:`>> Label Mark` Setting the label "Mark" in the input. :command:`>> Goto Mark` Forward jump to the label "Mark" skipping that part of the input.