1 files changed, 16 insertions, 0 deletions
diff --git a/src/wrappers/common.sh b/src/wrappers/common.sh
index 2cde64157..9605f5940 100644
--- a/src/wrappers/common.sh
+++ b/src/wrappers/common.sh
@@ -6,6 +6,11 @@ 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=':'
@@ -25,3 +30,14 @@ for p in pandoc $REQUIRED; do
         exit 1
     }
 done
+
+CONF=$(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')
+