#! /bin/bash

# Place this script in a directory containing many directories, say dir1, dir2, .... 
# This script goes into each directory removing all *.txt files with exception of "param.txt". 
# Warning: If there exist any subfolders in dir1, dir2,..., all the *.txt files in it will also be removed.
# The script only removes non-'param.txt' *.txt files that has no white space in the file names. E.g., the files para (2).txt will not be removed. 

for dir in *; do
    cp -p $dir/'param.txt' $dir/'param.temp'
done


find . -type f -name '*.txt' -print| while read obj3
do
echo 'removing' $obj3
rm $obj3
done

for dir in *; do
    cp -p $dir/'param.temp' $dir/'param.txt'
    rm $dir/'param.temp' 
done


# end script