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    #!/bin/sh

...
  echo "Value is $i";
  sleep 1;
done
  2. or download this
    #!/usr/bin/perl -w

...
    }
    print "Autoflush is currently ".($|?"on":"off").".\n";
}
  3. or download this
    #!/usr/bin/perl -w

...
    }
    print pre("Autoflush is currently " . ($|?"on":"off") );
}