matlab.aliases

# short name for matlab
function mlab
{
  #define default arguments
  local DEFAULT_ARGS=(-nouserjavapath -nosplash)
  [[   "${@/desktop/}" == "$@" ]] && DEFAULT_ARGS+=(-nodesktop)
  [[ ! "${@/timing/}"  == "$@" ]] && DEFAULT_ARGS+=(-timing)
  
  #get matlab executable
  local MATLAB_EXE="$(which matlab 2> /dev/null)"
  [ ! -e "$MATLAB_EXE" ] && MATLAB_EXE="$(find /Applications -maxdepth 1 -type d -name MATLAB_R20[0-9][0-9]\* 2> /dev/null | sort -fd | tail -n1)/bin/matlab"
  #add any other possible locations for matlab here
  #...
  #i'm out of options, here goes nothing
  [ ! -e "$MATLAB_EXE" ] && MATLAB_EXE="matlab"
  #debug
  [[ "${@/nodebug/}" == "$@" ]] && echo "matlab executable : $MATLAB_EXE"

  #add matlab lic file to arguments (noticeable speedup when available)
  if [[ ! "${MATLAB_EXE/\/Applications\/MATLAB}" == "$MATLAB_EXE" ]]
  then
    local LIC=$(find /Applications/MATLAB*.app/licenses -name license\*.lic 2> /dev/null | sort -fd | tail -n1)
    [ ! -z "$LIC" ] && DEFAULT_ARGS+=("-c $LIC")
  fi

  #define matlab code to run first (recording call time)
  local MATLAB_SUP="disp('$(date +'%F %T') - matlab launched');disp([datestr(datetime('now'),'yyyy-mm-dd HH:MM:SS'),' - matlab prompt ready']);"

  #look for startup scripts (does not support dirs with blanks!)
  local MATLAB_STARTUP_LIST=()
  if [ -d ~/.matlab ]
  then
    local DOT_MATLAB_DIR="$(find ~/.matlab -maxdepth 1 -type d -name R20[0-9][0-9]\* 2> /dev/null | sort -fd | tail -n1)"
    #if   : can figure out matlab version from path 
    #and  : the dot matlab dir corresponds to the one in the MATLAB_EXE 
    #then : add for matlab dir to 
    [ -d "$DOT_MATLAB_DIR" ] && \
    [[ ! "${MATLAB_EXE/R20}" == "$MATLAB_EXE" ]] && \
    [[ ! "${MATLAB_EXE/$(basename $DOT_MATLAB_DIR)}" == "$MATLAB_EXE" ]] && \
    [ -e "$DOT_MATLAB_DIR/startup.m" ] && \
    MATLAB_STARTUP_LIST+=("$DOT_MATLAB_DIR/startup.m") && \
    [[ "${@/nodebug/}" == "$@" ]] && echo "startup script (from dot matlab dir) : ${MATLAB_STARTUP_LIST[$(( ${#MATLAB_STARTUP_LIST[@]}-1 ))]}" || ([[ "${@/nodebug/}" == "$@" ]] && echo "UNUSED dot matlab dir : $DOT_MATLAB_DIR")
  fi

  #check for directories that may have startup scripts, which are exclusive (i.e. only one of these is run)
  #define these in the CONFLICTING_STARTUP_DIRS file
  CONFLICTING_STARTUP_DIRS=~/.matlab/matlab.startup.dirs
  if [ ! -e "$PWD/startup.m" ] && [ -e "$CONFLICTING_STARTUP_DIRS" ]
  then
     while IFS= read -r -d '' file; do
      MATLAB_STARTUP_LIST+=("$file")
      #debug
      [[ "${@/nodebug/}" == "$@" ]] && echo "startup script (from conflicting matlab dirs) : $file"
    done < <(find $(cat $CONFLICTING_STARTUP_DIRS | sed 's:~:'$HOME':g') -maxdepth 1 -name startup.m -print0 2> /dev/null)
  fi

  #run startup script(s)
  for i in "${MATLAB_STARTUP_LIST[@]}"
  do
    MATLAB_SUP+=" run('$i');"
  done

  #clean up the trash
  rm -fv ~/java.log.* ~/matlab_crash_dump.*
  #check for debug mode
  [[ ! "${@/echo/}" == "$@" ]] && ECHO=echo || ECHO=
  
  #check if we're on a login node
  case $HOSTNAME in
    login*)
      if [[ ! "${@/term/}" == "$@" ]]
      then
        echo "WARNING: running matlab in terminal mode, no graphics supported"
        $ECHO $MATLAB_EXE ${DEFAULT_ARGS[@]} -nodisplay -r "$MATLAB_SUP"
      elif [[ ! "${@/noidev/}" == "$@" ]]
      then
        echo "WARNING: running matlab in TACC, this can be slow"
        $ECHO $MATLAB_EXE ${DEFAULT_ARGS[@]} -r "$MATLAB_SUP"
      else
        #statements
        echo "WARNING: this is a login node, idev'ing it (you need to run 'mlab' after idev job starts)"
        $ECHO idev -m 120 -N 1 -n 4 -q development
      fi
    ;;
    *)
      #run it
      if [[   "${@/desktop/}" == "$@" ]]
      then
        $ECHO $MATLAB_EXE ${DEFAULT_ARGS[@]} -r "$MATLAB_SUP"
      else
        $ECHO $MATLAB_EXE ${DEFAULT_ARGS[@]} -r "$MATLAB_SUP" &
      fi
    ;;
  esac
}