generate a pdf file from the tex file

pdfgen

#!/bin/sh
set -eu

## tex to pdf
# ex.) pdfgen sample.tex
# ex.) pdfgen sample.tex | xargs evince

test $# -eq 1 || {
  NAME="$(basename $0)"
  echo "$NAME - generate a pdf file from the tex file" >&2
  echo "Usage: $NAME [tex-file]" >&2
  exit 1
}

SRC=$*
NAME=$(basename "$SRC" ".tex")
ENCODE=$(nkf -g "$SRC")

case "$ENCODE" in
  UTF-8) KANJI="utf8";;
  EUC-JP) KANJI="euc";;
  Shift-JIS) KANJI="sjis";;
  ISO-202-JP) KANJI="jis";;
esac

PLATEX="platex"
CLASS=$(sed -n '/documentclass/p' "$SRC" | sed '/%.*documentclass/d' | sed -n '1p')
case $CLASS in
  *{u*) PLATEX-"uplatex"
esac

DIR=/tmp
DVI="$DIR/$NAME.dvi"
PDF="$DIR/$NAME.pdf"
$PLATEX -output-directory="$DIR" -kanji=$KANJI "$SRC" >&2
dvipdfmx -o $PDF $DVI >&2
echo $PDF