FINDFILE

Used to find the names of files.

Syntax:

FINDFILE TEMPNAME$, FILTER$

Discussion:

This keyword requires two expressions, one to specify the string variable name to store the file name in, and another string variable which contains a "filter" string. The filter string usually specifies a path name and wildcards appropriate to the desired file type. See the example below.

FINDFILE is useful for listing all files of a certain type in a folder, or for analyzing large numbers of similar lens files. To reset FINDFILE back to the first file of any type, just call FINDFILE with a different filter, then call FINDFILE again with the original filter name. Each time FINDFILE is called with a new filter, it resets back to the first file that meets the filter specifications.

Example:

FILTER$ = "C:\Zemax\*.ZMX"
PRINT "Listing of all Zemax files in ", FILTER$
FINDFILE TEMPFILE$, FILTER$
LABEL 1
if (SLEN(TEMPFILE$))
PRINT TEMPFILE$
FINDFILE TEMPFILE$, FILTER$
GOTO 1
ENDIF
PRINT "No more files."

Next:

• FLDX, FLDY, FWGT, FVDX, FVDY, FVCX, FVCY, FVAN