How can I use Columns?

I want to create a column of one character from top to bottom and insert a symbol such that every line of the file has that character at the beginning.

Thanks, guys & gals

I know at least two ways:

  1. Select All and then use editor:split-selections-into-lines as described here.

  2. Go to the first line and use editor:add-selection-below to add a selection at the beginning of all lines.

I recommend the first way because it’s less work (if you want to add a character in every line).

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There are several packages to do this including my box-edit.