Create a sequence of integer numbers 

echo {4..-9}

November 24, 2011 — bashoneliners

Explanation

  • Useful for counters. For example, to do something 10 times, you could do for i in {1..10}; do something; done
  • Be careful, there cannot be spaces between the braces
  • As the example shows, can count backwards too

Limitations

Does not work in /bin/sh, this is bash specific.

sequence-generation counting
echo