30 lines
844 B
Text
30 lines
844 B
Text
import "random" for Random
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import "./ioutil" for File, FileUtil
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import "./fmt" for Fmt
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var rand = Random.new()
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var createTempFile = Fn.new { |lines|
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var tmp
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while (true) {
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// create a name which includes a random 6 digit number
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tmp = "/tmp/temp%(Fmt.swrite("$06d", rand.int(1e6))).tmp"
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if (!File.exists(tmp)) break
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}
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FileUtil.writeLines(tmp, lines)
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return tmp
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}
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var lines = ["one", "two", "three"]
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var tmp = createTempFile.call(lines)
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System.print("Temporary file path: %(tmp)")
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System.print("Original contents of temporary file:")
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System.print(File.read(tmp))
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// append some more lines
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var lines2 = ["four", "five", "six"]
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FileUtil.appendLines(tmp, lines2)
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System.print("Updated contents of temporary file:")
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System.print(File.read(tmp))
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File.delete(tmp)
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System.print("Temporary file deleted.")
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