function wg()
{
 mkdir temp
 cd temp

 if [ -z "$1" ]; then
  echo -e "Error no input selected"
 else
  wget $1;
 fi

 find . -name '*.tar.bz2' -depth 1 -exec tar xvjf {} \;
 find . -name '*.tar.gz'  -depth 1 -exec tar xvzf {} \;
 ...

 #if [ -f * ] ; then
 # case * in
 #    *.tar.bz2) for file in `ls *.tar.bz2`; do tar xvjf $file; done ;;
 #    *.tar.gz)  for file in `ls *.tar.gz`;  do tar xvzf $file; done ;;
 #    *.bz2)     for file in `ls *.bz2`;     do bunzip2  $file; done ;;
 #    *.rar)     for file in `ls *.rar`;     do unrar x  $file; done ;;
 #    *.gz)        gunzip *      ;;
 #    *.tar)       tar xvf *     ;;
 #    *.tbz2)      tar xvjf *    ;;
 #    *.tgz)       tar xvzf *    ;;
 #    *.zip)       unzip *       ;;
 #    *.Z)         uncompress *  ;;
 #    *.7z)        7z x *        ;;
 #    *)           echo "don't know how to extract this file" ;;
 # esac

 target=`ls -v1td */ | head -1`
 if [ -d $target ]; then
  wget "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD"
  mv index.html* config.guess
  ./configure
  make
  make install
 fi
}