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create_unique_filename
wpferguson edited this page Jun 14, 2020
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create_unique_filename
create a unique filename from the supplied argument
local df = require "lib/dtutils.file"
local result = df.create_unique_filename(filepath)filepath - string - the path and filename requested
create_unique_filename takes a requested filepath and checks to see if it exists. If if doesn't then it's returned intact. If it already exists, then a two digit increment is added to the filename and it is tested again. The increment keeps increasing until either a unique filename is found or there have been 100 attempts.
result - string - the incremented filename
create_unique_filename will only attempt 100 increments.