How can I format the output of a bash command in neat columns

column(1) is your friend.

$ column -t <<< '"option-y"      yank-pop
> "option-z"      execute-last-named-cmd
> "option-|"      vi-goto-column
> "option-~"      _bash_complete-word
> "option-control-?"      backward-kill-word
> "control-_"     undo
> "control-?"     backward-delete-char
> '
"option-y"          yank-pop
"option-z"          execute-last-named-cmd
"option-|"          vi-goto-column
"option-~"          _bash_complete-word
"option-control-?"  backward-kill-word
"control-_"         undo
"control-?"         backward-delete-char

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