gistfile1.sh

# In ~/.bash_profile define a PROJECT_PARENT_DIRS array and source this script. e.g.
# PROJECT_PARENT_DIRS="$HOME/src:$HOME/work"
# source ~/.project_aliases.sh 
if [ -z "${PROJECT_PARENT_DIRS[*]}" ]; then
  echo "Define a PROJECT_PARENT_DIRS array in ~/.bash_profile"
fi
 
for PARENT_DIR in ${PROJECT_PARENT_DIRS[@]} ; do
if [ -d "$PARENT_DIR" ]; then
for PROJECT_DIR in $(ls $PARENT_DIR); do
      if [ -d "$PARENT_DIR/$PROJECT_DIR" ]; then
   alias "$PROJECT_DIR"="cd $PARENT_DIR/$PROJECT_DIR"
      fi
done
fi
done