On 1/21/20 at 3:32 PM, [email protected] (Christopher Finazzo) wrote:

Oh. So. Close.

I can write a shell script that contains this line and make it execute but locating the pdftex executable in a way that TeX expects does not work. The preview window displays the console output of trying to run this against my input file.

#!/Library/TeX/texbin/pdflatex

pdflatex

I regret it's hard for me to usefully comment here since I'm not familiar with your specific workflow; however, here's what BBEdit expects from a preview filter. Cribbing from page 260 of the current manual:

Creating and Using Preview Filters

Preview filters may consist of any of these three types:

  * An AppleScript, with an entry point named "FilterTextForBBEditPreview".
This entry point will receive a 'unicode text' object which is the document's contents. If there is no "FilterTextForBBEditPreview" entry point, the script's run handler will be called with the text. The script
    should return a 'unicode text' result.

* A Unix executable or a symlink to any such item. (For example, a copy
    of the 'multimarkdown' binary.)

  * A Unix script; for example, a Perl, Python, Ruby, or shell script.
    (Any such script should contain a [ valid :-) ] shebang line.)

    Both Unix scripts and Unix executables will receive the document's
    contents as UTF-8 text on STDIN and should **return UTF-8 text
(ordinarily, in the form of an HTML document) to STDOUT**. BBEdit will
    then display that output in the Preview window.

so though you could also have your preview filter generate a PDF and open that in Preview.app, these actions would necessarily be external to BBEdit.

[PS: In place of your above, I would try a normal shell shebang line and specify the full path to the desired binary in your script, e.g.
====
#!/bin/sh
/Library/TeX/texbin/pdflatex
====
and if that doesn't help, then please drop a note to support with more details and we'll be happy to take a look.]

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