initial commit
Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
This commit is contained in:
@@ -0,0 +1,35 @@
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-- Assign script arguments and check validity
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fileName = arg[1]
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assert(fileName ~= nil, "Filename parameter missing!")
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fileNameTemp = fileName .. ".tmp"
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function trim(s)
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return s:match'^%s*(.*%S)' or ''
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end
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-- Remove whitespace from file
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lastline = nil
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prevlen = 0
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fo2 = io.open(fileNameTemp,'wb')
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for line in io.lines(fileName) do
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newline = trim(line)
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if lastline ~= nil then
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lastlen = string.len(lastline)
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if lastlen ~= 0 then
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fo2:write(lastline .. "\n")
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elseif prevlen ~=0 and lastlen == 0 then
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fo2:write("\n")
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end
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prevlen = lastlen
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end
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lastline = newline
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end
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if string.len(lastline) > 0 then
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fo2:write(lastline .. "\n")
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end
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fo2:close()
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-- Remove original and replace it by the file with whitespace removed
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os.remove(fileName)
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os.rename(fileNameTemp, fileName)
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