DITA Open Toolkit `startcmd.sh` (as shipped with v1.7.1 to v1.8)

startcmd.sh

#!/bin/sh
#  This file is part of the DITA Open Toolkit project hosted on 
#  Sourceforge.net. See the accompanying license.txt file for 
#  applicable licenses.
#  (c) Copyright IBM Corp. 2006 All Rights Reserved.

realpath() {
  case $1 in
    /*) echo "$1" ;;
    *) echo "$PWD/${1#./}" ;;
  esac
}

if [ "${DITA_HOME:+1}" = "1" ] && [ -e "$DITA_HOME" ]; then
  export DITA_DIR="$(realpath "$DITA_HOME")"
else #elif [ "${DITA_HOME:+1}" != "1" ]; then
  export DITA_DIR="$(dirname "$(realpath "$0")")"
fi

if [ -f "$DITA_DIR"/tools/ant/bin/ant ] && [ ! -x "$DITA_DIR"/tools/ant/bin/ant ]; then
  chmod +x "$DITA_DIR"/tools/ant/bin/ant
fi

export ANT_OPTS="-Xmx512m $ANT_OPTS"
export ANT_OPTS="$ANT_OPTS -Djavax.xml.transform.TransformerFactory=net.sf.saxon.TransformerFactoryImpl"
export ANT_HOME="$DITA_DIR"/tools/ant
export PATH="$DITA_DIR"/tools/ant/bin:"$PATH"

NEW_CLASSPATH="$DITA_DIR/lib/dost.jar"
NEW_CLASSPATH="$DITA_DIR/lib:$NEW_CLASSPATH"
NEW_CLASSPATH="$DITA_DIR/lib/commons-codec-1.4.jar:$NEW_CLASSPATH"
NEW_CLASSPATH="$DITA_DIR/lib/resolver.jar:$NEW_CLASSPATH"
NEW_CLASSPATH="$DITA_DIR/lib/icu4j.jar:$NEW_CLASSPATH"
NEW_CLASSPATH="$DITA_DIR/lib/xercesImpl.jar:$NEW_CLASSPATH"
NEW_CLASSPATH="$DITA_DIR/lib/xml-apis.jar:$NEW_CLASSPATH"
NEW_CLASSPATH="$DITA_DIR/lib/saxon/saxon9.jar:$NEW_CLASSPATH"
NEW_CLASSPATH="$DITA_DIR/lib/saxon/saxon9-dom.jar:$NEW_CLASSPATH"
if test -n "$CLASSPATH"; then
  export CLASSPATH="$NEW_CLASSPATH":"$CLASSPATH"
else
  export CLASSPATH="$NEW_CLASSPATH"
fi

cd "$DITA_DIR"
"$SHELL"