combiner

#!/bin/sh

### Test usage; if incorrect, output correct usage and exit
# if [ "$#" -gt 3  -o  "$#" -eq 2  -o  "$#" -eq 1  -o  "$#" -eq 0 ]; then
# 	echo "Syntax error"
# 	exit
# fi

# Stem and extension of file
filestem1=`echo $1 | cut -f1 -d.`
filestem2=`echo $2 | cut -f1 -d.`
outputstem=`echo $3 | cut -f1 -d.`
extension1=`echo $1 | cut -f2 -d.`
extension2=`echo $2 | cut -f2 -d.`
outputext=`echo $3 | cut -f2 -d.`

### Test if file1 exists
if [[ ! -r $1 ]]; then
	echo -e "\n File does not exist, or option mispecified \n"
	exit
fi

### Test if file2 exists
if [[ ! -r $2 ]]; then
	echo -e "\n File does not exist, or option mispecified \n"
	exit
fi

### Test file1 extension
if [[ $extension1 != tex ]]; then
	echo -e "\n Invalid input file, must be a tex-file \n"
	exit
fi

### Test file2 extension
if [[ $extension2 != tex ]]; then
	echo -e "\n Invalid input file, must be a tex-file \n"
	exit
fi

### Test output file extension
if [[ $outputext != pdf ]]; then
	echo -e "\n Invalid output file, must be a pdf-file \n"
	exit
fi

### Compile first document
latex $filestem1.tex
bibtex $filestem1.aux
latex $filestem1.tex
bibtex $filestem1.aux
bibtex $filestem1.aux
latex $filestem1.tex
bibtex $filestem1.aux
latex $filestem1.tex
latex $filestem1.tex
dvips -P pdf $filestem1.dvi
ps2pdf $filestem1.ps
[[ -f "$filestem1.bbl" ]] && rm "$filestem1.bbl"
[[ -f "$filestem1.out" ]] && rm "$filestem1.out"
[[ -f "$filestem1.aux" ]] && rm "$filestem1.aux"
[[ -f "$filestem1.blg" ]] && rm "$filestem1.blg"
[[ -f "$filestem1.nav" ]] && rm "$filestem1.nav"
[[ -f "$filestem1.dvi" ]] && rm "$filestem1.dvi"
[[ -f "$filestem1.ps" ]]  && rm "$filestem1.ps"
[[ -f "$filestem1.log" ]] && rm "$filestem1.log"
[[ -f "$filestem1.toc" ]] && rm "$filestem1.toc"
[[ -f "$filestem1.snm" ]] && rm "$filestem1.snm"
[[ -f "$filestem1.vrb" ]] && rm "$filestem1.vrb"

### Compile second document
latex $filestem2.tex
bibtex $filestem2.aux
latex $filestem2.tex
bibtex $filestem2.aux
bibtex $filestem2.aux
latex $filestem2.tex
bibtex $filestem2.aux
latex $filestem2.tex
latex $filestem2.tex
dvips -P pdf $filestem2.dvi
ps2pdf $filestem2.ps
[[ -f "$filestem2.bbl" ]] && rm "$filestem2.bbl"
[[ -f "$filestem2.out" ]] && rm "$filestem2.out"
[[ -f "$filestem2.aux" ]] && rm "$filestem2.aux"
[[ -f "$filestem2.blg" ]] && rm "$filestem2.blg"
[[ -f "$filestem2.nav" ]] && rm "$filestem2.nav"
[[ -f "$filestem2.dvi" ]] && rm "$filestem2.dvi"
[[ -f "$filestem2.ps" ]]  && rm "$filestem2.ps"
[[ -f "$filestem2.log" ]] && rm "$filestem2.log"
[[ -f "$filestem2.toc" ]] && rm "$filestem2.toc"
[[ -f "$filestem2.snm" ]] && rm "$filestem2.snm"
[[ -f "$filestem2.vrb" ]] && rm "$filestem2.vrb"

### Concatenate documents
gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress -sOutputFile=$outputstem.pdf $filestem1.pdf $filestem2.pdf