Split Package Name

cat << EOT > pacotes
python-4.3.5-1-x86_64.chi.zst
python-zope-4.3.5-1-x86_64.chi.zst
python-zope-proxy-4.3.5-1-x86_64.chi.zst
xorg-server-xvfb-21.1.3-6-x86_64.chi.zst
xorg-fonts-100dpi-1.0.3-7-any.chi.zst
EOT



split1()
{
        file=$1
          RE='(.+)-(([^-]+)-([0-9]+))-([^.]+)\.chi\.zst'
  folder_dir=$(echo ${file%/*})
    fullname=$(echo ${file##*/})
  [[ $fullname == $folder_dir ]] && folder_dir=localhost
  [[ $fullname =~ $RE ]] &&
  {
        fullname=${BASH_REMATCH[0]}
            base=${BASH_REMATCH[1]}
   version_build=${BASH_REMATCH[2]}
         version=${BASH_REMATCH[3]}
           build=${BASH_REMATCH[4]}
            arch=${BASH_REMATCH[5]}
    base_version=$base-$version_build
    echo $folder_dir $fullname $arch $base $base_version $version-$build $build
  }
}



split2()
{
        file=$1
          RE='(.+)-(([^-]+)-([0-9]+))-([^.]+)\.chi\.zst'
  folder_dir=${file%/*}
    fullname=${file##*/}
  [[ $fullname == $folder_dir ]] && folder_dir=localhost
  [[ $fullname =~ $RE ]] &&
  {
        fullname=${BASH_REMATCH[0]}
            base=${BASH_REMATCH[1]}
   version_build=${BASH_REMATCH[2]}
         version=${BASH_REMATCH[3]}
           build=${BASH_REMATCH[4]}
            arch=${BASH_REMATCH[5]}
    base_version=$base-$version_build
    echo $folder_dir $fullname $arch $base $base_version $version-$build $build
  }
}



s1(){ while read p1; do split1 $p1; done < pacotes; }
s2(){ while read p2; do split2 $p2; done < pacotes; }



benshmark()
{
  local LC_ALL= LC_NUMERIC=C TIMEFORMAT=%lR L=$1 s; shift
  for s
  {
    echo -n "$s  "
    time for ((i=0;i<L;i++)); { $s; } &> /dev/null
  }
}



$ echo -e "\ns1:"; s1 | column -ts' '
s1:
localhost  python-4.3.5-1-x86_64.chi.zst             x86_64  python             python-4.3.5-1             4.3.5-1   1
localhost  python-zope-4.3.5-1-x86_64.chi.zst        x86_64  python-zope        python-zope-4.3.5-1        4.3.5-1   1
localhost  python-zope-proxy-4.3.5-1-x86_64.chi.zst  x86_64  python-zope-proxy  python-zope-proxy-4.3.5-1  4.3.5-1   1
localhost  xorg-server-xvfb-21.1.3-6-x86_64.chi.zst  x86_64  xorg-server-xvfb   xorg-server-xvfb-21.1.3-6  21.1.3-6  6
localhost  xorg-fonts-100dpi-1.0.3-7-any.chi.zst     any     xorg-fonts-100dpi  xorg-fonts-100dpi-1.0.3-7  1.0.3-7   7

$ echo -e "\ns2:"; s2 | column -ts' '
s2:
localhost  python-4.3.5-1-x86_64.chi.zst             x86_64  python             python-4.3.5-1             4.3.5-1   1
localhost  python-zope-4.3.5-1-x86_64.chi.zst        x86_64  python-zope        python-zope-4.3.5-1        4.3.5-1   1
localhost  python-zope-proxy-4.3.5-1-x86_64.chi.zst  x86_64  python-zope-proxy  python-zope-proxy-4.3.5-1  4.3.5-1   1
localhost  xorg-server-xvfb-21.1.3-6-x86_64.chi.zst  x86_64  xorg-server-xvfb   xorg-server-xvfb-21.1.3-6  21.1.3-6  6
localhost  xorg-fonts-100dpi-1.0.3-7-any.chi.zst     any     xorg-fonts-100dpi  xorg-fonts-100dpi-1.0.3-7  1.0.3-7   7

$ benshmark 2000 s{1,2}
s1  0m18.894s
s2  0m1.073s

$ bc <<< 'scale=3; 18.894/1.073'
17.608