commit 11f40a2360d03c10b0d286320ed18fa6cf20e9b5
Author: Marc Hiatt <thymeharp@riseup.net>
Date:   Sat Oct 7 22:14:32 2023 +0200

    Initial commit

diff --git a/worddiv.fish b/worddiv.fish
new file mode 100644
index 0000000..ea7795c
--- /dev/null
+++ b/worddiv.fish
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+
+
+## interactive show-hyphens, LaTeX version
+
+function hyphenation_prompt --description "Construct promt for `latex-hyphens`"
+    set_color green; echo -n 'divide '; set_color normal; echo "> "
+end
+
+
+function worddiv --description "Interact with TeX and babel (LaTeX) to show word division (a.k.a. hyphenation)."
+    # TODO: add languages other than English
+    # 
+
+    # set up temporary directory for our own .tex files and LaTeX's logfiles
+    # -f : scope our variable to the function
+    set -f tmpdir show-hyphens_(date -Ins) 
+    mkdir "./$tmpdir" || echo "Unable to create temporary directory!"
+    set -f template_path /home/marc/.config/fish/hyphenation
+    set -f template_filename latex-hyphenation-template.tex
+    set -f expression_filename latex-hyphenation-target.tex
+    set -f secondary_filename latex-hyphenation-target-british.tex
+    
+
+    # welcome message
+    set -f tex_version (tex -version | head -n 1)
+    set -f latex_version (latex -version | head -n 1)
+    echo "Let’s query " ; set_color yellow ; echo -n "   $tex_version" ;  set_color normal
+    echo " and " ; set_color yellow ; echo -n "$latex_version" ;  set_color normal ; echo " !"
+    echo -e '\nEnter an expression to see its hyphenation, or ‘q’ to quit.\n'
+
+    # set language
+    set -f language american
+    set -f secondary_language british
+    
+    # interact
+    set -f expression ""
+    while test $expression != "q"
+	read -f --prompt hyphenation_prompt expression
+	if test $expression != "q" 
+
+	    # latex+babel: generate input and output
+	    cp $template_path/$template_filename ./$tmpdir/
+
+	    sed "s/language/$language/g" ./$tmpdir/$template_filename | 
+	    sed "s/expression/$expression/g" |
+	    # uncomment the \input ushyphex line to include the exceptions list for AE
+	    sed "s/% \\\input/\\\input/g" > ./$tmpdir/$expression_filename
+
+
+	    # let's check and see if british is different
+	    sed "s/language/$secondary_language/g" ./$tmpdir/$template_filename | 
+	    sed "s/expression/$expression/g" > ./$tmpdir/$secondary_filename
+
+	    set -f babel_output (
+	    latex -draftmode ./$tmpdir/$expression_filename | 
+	    grep "\\[\\] .OT1" | sed 's_\\[\\] .OT1/cmr/m/n/10 __' )
+
+	    set -f babel_output_british (
+	    latex -draftmode ./$tmpdir/$secondary_filename | 
+	    grep "\\[\\] .OT1" | sed 's_\\[\\] .OT1/cmr/m/n/10 __' )
+
+	    # tex+showhyphens: generate output
+	    set -f tex_untrimmed (echo -e "\showhyphens{$expression}" | 
+	    tex --output-directory "$tmpdir" | tail -n +4 | head -n -10 | 
+	    sed 's/^\[\] \\\tenrm //' )
+
+	    # $tex_untrimmed has trailing whitespace; trim it
+	    set -f tex_output (string trim "$tex_untrimmed")
+	    
+	    # echo -n "latex: " ; echo -n $babel_output ; echo "|"
+	    # echo -n "  tex: " ; echo -n $tex_output ; echo "|"
+
+	    if test "$babel_output" = "$tex_output"
+		if test "$babel_output" != "$babel_output_british"
+		set_color yellow ; echo -en "\nbabel      (AE): " 
+	        else
+		set_color yellow ; echo -en "\nbabel (AE & BE): " 
+		end
+		set_color normal ; echo -e "$babel_output\n"
+	    else
+		set_color yellow ; echo -en "\nbabel      (AE): " ; set_color normal ; echo $babel_output
+		set_color yellow ; echo -en "\nplain TeX  (AE): " ; set_color normal ; echo -e "$tex_output\n"
+	    end
+	    if test "$babel_output" != "$babel_output_british"
+		set_color yellow ; echo -en "babel      (BE): "
+		set_color normal ; echo -e "$babel_output_british\n"
+	    end
+	end
+    end
+
+    echo -e "\nQuitting...\n"
+
+    # clean up
+    rm -r $tmpdir
+
+end
+