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#!/bin/sh -e
REQUIRED="pdflatex"
SYNOPSIS="converts markdown-formatted text to PDF, using pdflatex."
THIS=${0##*/}
NEWLINE='
'
err () { echo "$*" | fold -s -w ${COLUMNS:-110} >&2; }
errn () { printf "$*" | fold -s -w ${COLUMNS:-110} >&2; }
usage () {
err "$1 - $2" # short description
err "See the $1(1) man page for usage."
}
# Portable which(1).
pathfind () {
oldifs="$IFS"; IFS=':'
for _p in $PATH; do
if [ -x "$_p/$*" ] && [ -f "$_p/$*" ]; then
IFS="$oldifs"
return 0
fi
done
IFS="$oldifs"
return 1
}
for p in pandoc $REQUIRED; do
pathfind $p || {
err "You need '$p' to use this program!"
exit 1
}
done
CONF=$(pandoc --dump-args "$@" 2>&1) || {
errcode=$?
echo "$CONF" | sed -e '/^pandoc \[OPTIONS\] \[FILES\]/,$d' >&2
[ $errcode -eq 2 ] && usage "$THIS" "$SYNOPSIS"
exit $errcode
}
OUTPUT=$(echo "$CONF" | sed -ne '1p')
ARGS=$(echo "$CONF" | sed -e '1d')
# As a security measure refuse to proceed if mktemp is not available.
pathfind mktemp || { err "Couldn't find 'mktemp'; aborting."; exit 1; }
# Avoid issues with /tmp directory on Windows/Cygwin
cygwin=
cygwin=$(uname | sed -ne '/^CYGWIN/p')
if [ -n "$cygwin" ]; then
TMPDIR=.
export TMPDIR
fi
THIS_TEMPDIR=
THIS_TEMPDIR="$(mktemp -d -t $THIS.XXXXXXXX)" || exit 1
readonly THIS_TEMPDIR
trap 'exitcode=$?
[ -z "$THIS_TEMPDIR" ] || rm -rf "$THIS_TEMPDIR"
exit $exitcode' 0 1 2 3 13 15
texname=output
logfile=$THIS_TEMPDIR/log
pandoc -s -r markdown -w latex "$@" -o $THIS_TEMPDIR/$texname.tex
if [ "$OUTPUT" = "-" ]; then
firstinfile="$(echo $ARGS | sed -ne '1p')"
firstinfilebase="${firstinfile%.*}"
destname="${firstinfilebase:-stdin}.pdf"
else
destname="$OUTPUT"
fi
(
origdir=$(pwd)
cd $THIS_TEMPDIR
TEXINPUTS=$origdir:$TEXINPUTS:
export TEXINPUTS
finished=no
runs=0
while [ $finished = "no" ]; do
pdflatex -interaction=batchmode $texname.tex >/dev/null || {
errcode=$?
err "${THIS}: pdfLaTeX failed with error code $errcode"
[ -f $texname.log ] && {
err "${THIS}: error context:"
sed -ne '/^!/,/^[[:space:]]*$/p' \
-ne '/^[Ll]a[Tt]e[Xx] [Ww]arning/,/^[[:space:]]*$/p' \
-ne '/^[Ee]rror/,/^[[:space:]]*$/p' $texname.log >&2
if grep -q "File \`ucs.sty' not found" $texname.log; then
err "${THIS}: Please install the 'unicode' package from CTAN:"
err " http://www.ctan.org/tex-archive/macros/latex/contrib/unicode/"
fi
if grep -q "File \`ulem.sty' not found" $texname.log; then
err "${THIS}: Please install the 'ulem' package from CTAN:"
err " http://www.ctan.org/tex-archive/macros/latex/contrib/misc/ulem.sty"
fi
}
exit $errcode
}
if [ $runs -lt 3 ] &&
((grep -q "LaTeX Warning: There were undefined references." $texname.log) ||
(echo "$@" | grep -q -- "--toc\|--table-of-contents")); then
runs=$(($runs + 1))
if grep -q "LaTeX Warning:.*[Cc]itation" $texname.log; then
bibtex $texname 2>&1 >bibtex.err
if [ $runs -gt 2 ]; then
if grep -q "error message" bibtex.err ||
grep -q "Warning" bibtex.err; then
cat bibtex.err >&2
fi
fi
fi
else
finished=yes
fi
done
) || exit $?
is_target_exists=
if [ -f "$destname" ]; then
is_target_exists=1
mv "$destname" "$destname~"
fi
mv -f $THIS_TEMPDIR/$texname.pdf "$destname"
errn "Created $destname"
[ -z "$is_target_exists" ] || {
errn " (previous file has been backed up as $destname~)"
}
err .
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