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11
Task/Secure-temporary-file/PicoLisp/secure-temporary-file.l
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11
Task/Secure-temporary-file/PicoLisp/secure-temporary-file.l
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@ -0,0 +1,11 @@
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: (out (tmp "foo") (println 123)) # Write tempfile
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-> 123
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: (in (tmp "foo") (read)) # Read tempfile
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-> 123
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: (let F (tmp "foo")
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(ctl F # Get exclusive lock
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(let N (in F (read)) # Atomic increment
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(out F (println (inc N))) ) ) )
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-> 124
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