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  • \$\begingroup\$ Thanks @Step-hen for the 2 TIO, I tried to use the site myself while writing the answer, but nothing happened when I pressed the run button (no output on my own attempts to set it up... weird as it was identical to yours...). Thanks for putting those 2 working links. \$\endgroup\$ Commented Jul 19, 2017 at 15:31
  • \$\begingroup\$ No problem, I believe something is going wonky with TIO's backend right now (Dennis was talking about DOS attempts) so it's working on and off, sometimes it acts like it is infinitely looping. \$\endgroup\$ Commented Jul 19, 2017 at 15:33
  • \$\begingroup\$ @StepHen: this looks like what was happening to me indeed (play button was looping). Thanks fo the info. Maybe not a DOS but just someone putting a script there that requires too much processing power? (Hanlon's razor : "Never attribute to malice that which is adequately explained by stupidity" ^^ ) \$\endgroup\$ Commented Jul 19, 2017 at 15:34
  • \$\begingroup\$ wc is not part of bash, so should be mentioned in the title line. And I see no bashism so think, this will run on sh+wc too. \$\endgroup\$ Commented Mar 16, 2018 at 4:03
  • \$\begingroup\$ This for 10 bytes. \$\endgroup\$ Commented Apr 3, 2021 at 18:59