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Clean temp file create and cleanup

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  1. tf=/tmp/tf.$$
  2. cleanup() {
  3. 	rm -f $tf
  4. 	echo $tf "removed."
  5. }
  6. trap "cleanup" EXIT
  7.  
  8. touch $tf
  9. echo "$tf created"
  10. #temp file auto removed on exit or on quit

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