Re: Can makeprg (or equivalent) be locally file-customised?

You could set up an autocommand that reads the first few lines of the file and sets any option you like from there. Maybe you'd need to put it on a one second timer or something.

The security problem comes because you might have makeprg set to something for your project and then you open a new file that sets it to, say, 'rm -rf /' or some such. You try to build your project innocently and end up deleting your system.

Salman

On Thu, Apr 17, 2025, 20:31 dvalin via vim_use <vim_use@googlegroups.com> wrote:

When Vimming a number of wildly disparate textfiles, each with a single custom processing requirement, it would be absolutely ideal to set makeprg (or equivalent) in a modeline. But for makeprg that is verboten: "This option cannot be set from a |modeline| or in the |sandbox|, for security reasons."

Mind you, here there is no such security concern - whether any command is run by ":!" or makeprg makes no real difference, so I'm not entirely sure why one would impose the clumsiness of having to insert ":!groff -k -Tpdf -ms -m hdtbl -dpaper=a4 -P-pa4 % > /tmp/vde.pdf" or whatever another file needs?

So is there a file-local way to just alias e.g. ^m to a shell command, **in the modeline**? That would be much faster to invoke, and not muck with makeprg.

Vim can do everything; it's finding the clue in the :help that is the challenge, even going in with a packed lunch.

Erik

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