[OS X TeX] TIP: how to use TeXShop engines with any front end

[Ramón Figueroa-Centeno]

Aloha,

One of the many powerful features of TeXShop is its engines. So what if you
want to use the command line or another editor and still benefit from
TeXShop's engines? Well you still can. Here is how:

(1) You must have TeXShop installed and running.
(2) You must specify the engine you want to use using the "%!TEX TS-program
= " directive in your document (see the TeXShop help for information on
this). For example, in the first 20 lines of your document include the line

%!TEX TS-program = pdflatexmk

to use Herb Schulz's pdflatexmk engine (aside from the engines installed in
~/Library/TeXShop/Engines, you can use tex, latex, pdftex, pdflatex,
personaltex and personallatex; the default is pdflatex).
(3) Have your editor use the following bash script, which I call texshop, to
typeset:

#!/bin/bash

PATH="$PATH:/usr/texbin:/usr/local/bin"

engines="$HOME/Library/TeXShop/Engines"
		
for var in "$@"; do
			engine=`head -n20 "$var" | grep '% *!TEX TS-program' | head -n1 | sed
's/.*= *\([^ ]*\)/\1/g'`

	if [ "$engine" != "" ]; then 
		case "$engine" in
			tex)
				engine=`defaults read TeXShop TexGSCommand`
				;;
			latex)
				engine=`defaults read TeXShop LatexGSCommand`
				;;
			pdflatex)
				engine=`defaults read TeXShop LatexCommand`
				;;
			pdftex)
				engine=`defaults read TeXShop TexCommand`
				;;
			personaltex)
				engine=`defaults read TeXShop TexScriptCommand`
				;;
			personallatex)
				engine=`defaults read TeXShop LatexScriptCommand`
				;;
			*)
				if [ -f "$engines/$engine.engine" ]; then
					engine="$engines/$engine.engine"
				else
					engine=`defaults read TeXShop LatexCommand`
				fi
		esac
	else
		engine=`defaults read TeXShop LatexCommand`
	fi
		
	$engine "$var"

done

----------------

Enjoy!

Ramón
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