#!/bin/sh

geom="-geometry 1020x740+0+0"
PS="gv --watch --safer --resize $geom"
#PDF="acroread7 -geometry 870x646+0+0"
PDF="xpdf $geom"

chk_ps()
{
  latex \
    --file-line-error-style --interaction batchmode \
    ${1}.tex \
  && dvps ${1}.dvi && $PS ${1}.ps
}
chk_pdf()
{
  pdflatex ${1}.tex \
  && { $PDF ${1}.pdf || $PS ${1}.pdf ; }
}
unset check
case $0 in
  *-ps )
    check='chk_ps'
  ;;

  *-pdf )
    check='chk_pdf'
  ;;
esac

get_base()
{
  local base
  case "$1" in
    *.tex | *.dvi | *.ps | *.pdf | *.aux | *.log )
      base=$( echo "$1" | sed -E -e 's!\....$!!' )
    ;;

    * )
      base="$1"
    ;;
  esac
  printf "%s" "$base"
}

for f in $@
do
  $check $(get_base "$f")
done