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Count total lines in a text file (file.line_count)

Declaration​

count = file.line_count(path)

Parameters​

  • path
    String. Absolute file path.

Returns​

  • count
    Integer or nil. Total number of lines. 0 for empty file. nil if file does not exist.

Notes​

Count total lines in a text file. Empty file returns 0.

Example​

local linecount = file.line_count("/var/mobile/1.txt")
if linecount then
    sys.alert("/var/mobile/1.txt has "..linecount.." lines")
else
    sys.alert("/var/mobile/1.txt is not a file")
end

Note: Uses sys.alert