little_tools/stat/filename.sh

#!/bin/bash

# bio col fb inf int rec ret sci soc tec web
#~/massive-graphs/${dir}/focus/*.dim; do

SOURCE_DIR="$1"

find "$SOURCE_DIR" -maxdepth 1 -mindepth 1| while read dir
do
	find "$dir" -maxdepth 1 -mindepth 1 | while read file
	do
		new_basename=$(basename "$file")
		new_basename=${new_basename%%\.*}
		new_file=$(dirname "$file")/"$new_basename"
		if [ "$file" != "$new_file" ]
		then
			mv "$file" "$new_file"
		fi
	done
done