#!/bin/bash
# -------------------------------------------------------------------------
# Jehsom's disks.sh v1.2 - Shows the nubmer of data files in a release dir.
# Copyright (C) 2001 jehsom@jehsom.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# -------------------------------------------------------------------------
#
# Shows the # of datafiles in the current rls based on the contents
#   of the .sfv or .diz, or 0 if a definitive number cannot be found.
# This will not extract the diz from the zipfile, so it must be extracted.
#
#######################
### Nothing to edit ###
#######################

diz=$(\ls | grep -i "\.diz$" | head -1)
sfv=$(\ls | grep -i "\.sfv$" | head -1)

disks=0
if [ -f "$sfv" ]; then
    # Count number of files listed in sfv
    disks=$[$(grep -Ei "^[^;][^ ]* [0-9A-F]{8}\b" $sfv | wc -l)]
elif [ -f "$diz" ]; then
    # "xx/01" style
    diskline="$(sed 's/^[   ]*//' $diz | tr -d '\r' | tr '\n' ' ')"
        disks=$(echo "$diskline" |
        sed -ne 's/^.*[^/.]\b[0-9Xxo]\{1,2\}[ ]\{0,1\}[/\\][ ]\{0,1\}[o]\{0,1\}\([0-9]\{1,2\}\)\b[^/.].*$/\1/
            t cont; q; :cont p')
    # "01 x 1.44" style
    [ -z "$disks" ] && disks=$(echo "$diskline" |
        sed -n 's/^.*\b\([0-9]\{1,3\}\)[ ]\{0,1\}[xX][ ]\{0,1\}[12]\.[48]\{2\}\b.*$/\1/
            t cont; q; :cont p')
fi
# If $disks is not a number, $[ ] will evaluate to 0.
echo "$[$disks]"
exit 0