## ALP Programming Guide and Reference

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### LstEXT

This variable contains the default listing file name extension that is conditionally appended to the concatenated values of LstDIR and LstNAME; the assembler treats the resulting string as the fully qualified listing file name. The default value for LstEXT is ".lst" unless altered by use of the Fel parameterized command line option.

Related Information:

Options
File Names
Fel - Control Listing File Extension (LstEXT)