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  • \$\begingroup\$ I tried to make sure it won't work on Bash but {$i..$j} was too suspicious :p \$\endgroup\$ Commented Feb 11, 2018 at 21:54
  • \$\begingroup\$ @betseg tbh all I know about zsh is that it does weird stuff sometimes, and I thought this code counted as that sort of weirdness :P \$\endgroup\$ Commented Feb 11, 2018 at 21:55