2

Cannot figure out how to use the output of :pwd as argument to :helptags. Something like:

:helptags . exec ':pwd'

Tried many combinations of |, :exec, :call and ! .

5

Backticks can be used many places, so:

:helptags `pwd`

will do what you want, although so will:

:helptags .

Other uses would be things like:

:e `date +\%Y-\%m-\%d`

which edits a file whose name is the current date in the format YYYY-MM-DD (the backslashes are because % is a special character there).

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