#!/bin/bash

rename()
{
local old_path=$1 char=$2
echo "$old_path" | sed 's/^\([^.]*\)/\1'$char'/'
}

find_name()
{
local catalog_name=$1 filename=$2
found=0
files=`ls "$catalog_name"`
for file in files
do
if [ $file = $filename ]
then
found=1
fi
done
echo "$found"
}

catalog_name=$1
archive_name=$2

if [ ! -d $catalog_name ]
then

mkdir $catalog_name

fi

count=0

for extension in $@
do

count=$(( $count + 1 ))

if [ $count -ge 3 ]
then

paths=`find ~/techprog -name "*.$extension"`

for path in $paths
do

temp="$path"
src_filename=`basename "$path"`

while [ `find_name "$catalog_name" "$src_filename"` -gt 0 ]
do
new_path=`rename "$path" "_"`
mv "$path" "$new_path"
path="$new_path"
src_filename=`basename "$path"`
done

cp "$path" "$catalog_name"

done

fi

done
tar -czf $archive_name "$catalog_name"
echo "done"