#!/bin/sh
# Computes filecounts and SLOC counts in the listed data directories
# if the don't already exist.

if [ "$#" -eq 0 ]
then
  echo "Error: You must provide a list of directories to examine."
  exit 1
fi

starting_dir=`pwd`

for dir
do
 if [ -d "$dir" -a -r "${dir}/filelist" ]
 then
  cd "$dir"

  if [ ! -r all.filecount ]
  then
    # Create all.filecount and all-physical.sloc; create them in
    # separate files, so that we can safely restart if it stops in the middle:
    > all.filecount.new
    > all-physical.sloc.new
    for listfile in *_list.dat
    do
     language=`echo $listfile | sed -e 's/_list\.dat$//'`

     # Skip language "*" - this happens if there are NO source
     # files in the given directory.
     if [ "$language" = "*" ]; then
       continue
     fi

     # Skip language "h" - it's counted in the ansic, cpp, and objc lists.
     if [ "$language" = "h" ]; then
       continue
     fi

     numfiles=`wc -l < $listfile | tr -d " "`
     echo "$language	$numfiles" >> all.filecount.new

     # Ignore certain "languages" when counting SLOC:
     case "$language"
     in
       not) true ;;
       unknown) true ;;
       zero) true ;;
       dup) true ;;
       auto) true ;;
       *)
         numsloc=`compute_sloc_lang $language "." | tr -d " "`
         echo "$language	$numsloc" >> all-physical.sloc.new
       ;;
     esac
    done
    mv all.filecount.new all.filecount
    mv all-physical.sloc.new all-physical.sloc
  fi

  cd "$starting_dir"
 fi
done