Get POSIX-compatible script working

Add license

worddiv

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+#!/bin/sh
+# worddiv - query LaTeX’s word division (hyphenation) patterns
+#
+# SPDX-FileCopyRightText: Marc Hiatt (hiatt@campus.tu-berlin.de)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+
+# TODO: add languages other than English
+
+project_path=$HOME/.config/fish/conf.d/worddiv
+tmpdir=$project_path/.cache/tempdir_$(date -Ins) 
+template_filename=latex-hyphenation-template.tex
+expression_filename=latex-target.tex
+secondary_filename=latex-target-scd.tex
+ 
+
+# welcome message
+tex_version=`tex -version | head -n 1`
+latex_version=`latex -version | head -n 1`
+printf "Let’s query \n %s and\n %s !\n" "$tex_version" "$latex_version"
+printf "\nEnter an expression to see its hyphenation, or ‘q’ to quit.\n\n"
+
+# set languages
+language=american
+label=AE
+secondary_language=british
+secondary_label=BE
+    
+# interact
+expression=""
+until test "$expression" = "q" ; do 
+    read -p "divide > " expression
+   if test ! -d "$tmpdir" ; then 
+       # set up temporary directory for our own .tex files and LaTeX's logfiles
+       mkdir -p "$tmpdir" || echo "Unable to create temporary directory!"
+   fi
+
+
+   if test ! "$expression" = "q" ; then
+
+       ## latex+babel
+       # generate input and output
+       cp $project_path/$template_filename $tmpdir
+
+       # for now, $language just = american
+       sed "s/language/$language/g" $tmpdir/$template_filename | 
+	   sed "s/expression/$expression/g" |
+
+	   # modify template: uncomment its \input ushyphex line so that 
+	   # the exceptions list for AE will be included
+	   sed "s/% \\\input/\\\input/g" > $tmpdir/$expression_filename
+
+
+       # let's check and see if british english divides this expression differently
+       # for now, $secondary_language just = british
+       sed "s/language/$secondary_language/g" $tmpdir/$template_filename | 
+	   sed "s/expression/$expression/g" > $tmpdir/$secondary_filename
+
+       # american
+       babel_output=$(latex -draftmode $tmpdir/$expression_filename | 
+			  grep "\\[\\] .OT1" |  sed -E "s/.* ([-a-z]*)$/\1/")
+
+       # british
+       babel_output_secondary=$(latex -draftmode $tmpdir/$secondary_filename | 
+				  grep "\\[\\] .OT1" | sed -E "s/.* ([-a-z]*)$/\1/")
+
+       ## tex+showhyphens
+       tex_output=$(echo "\showhyphens{$expression}" | 
+			tex -output-directory "$tmpdir" | 
+			sed -nE --posix "/tenrm/s/.* ([-a-z])/\1/p")
+       
+       ## run comparisons ... 
+       # babel AE vs plain TeX
+       if test "$babel_output" = "$tex_output" ; then
+	   # babel AE vs babel BE
+	   if test ! "$babel_output" = "$babel_output_secondary" ; then
+	       printf "\nbabel      (%s): %s\n" "$label" "$babel_output"
+	   else
+	       printf "\nbabel (%s & %s): %s\n" "$label" "$secondary_label" "$babel_output"
+	   fi
+       else
+	   printf "\nbabel      (%s): %s\n" "$label" "$babel_output"
+	   printf "\nplain TeX  (%s): %s\n" "$label" "$tex_output"
+       fi
+
+       # one more comparison
+       # babel AE vs babel BE
+       if test ! "$babel_output" = "$babel_output_secondary" ; then
+	   printf "babel      (%s): %s\n\n" "$secondary_label" "$babel_output_secondary"
+       fi
+   fi
+
+done
+
+
+# clean up
+if test -d "$tmpdir" ; then
+   rm -r "$tmpdir"
+fi