#!/bin/bash
# scotar - version 1.0
# Extracts files from a multi-volume tar created on SCO Xenix through SCO OSR5
# on Linux or other systems using Bash-2.x and GNU tar.
#
# usage:   scotar [device]   (defaults to /dev/fd0)
# Brian K. White - linut@squonk.net

#DEBUG=1
echo "This script extracts a SCO xenix/unix format multi-volume tar."
echo -n "How many volumes? "
read vt
c=1
[ $1 ] && d=$1 || d=/dev/fd0
while true ; do
  echo -en "Insert volume $c and hit Enter...\a" ; read
  v[$c]=`tar xvf $d`
  [ $c -gt 1 ] && { [ -f ${v[$((c-1))]} ] && { 
    mv ${v[$((c-1))]} ${v[$((c-1))]}.scotarb
    mv ${v[$((c-1))]}.scotara ${v[$((c-1))]}
    cat ${v[$((c-1))]}.scotarb >>${v[$((c-1))]}
    rm -f ${v[$((c-1))]}.scotarb 
  } ; }
  [ $c -eq $vt ] && exit     
  for f in ${v[$c]} ; do : ; done ; v[$c]=$f ; [ $DEBUG ] && echo "** $f **"
  mv ${v[$c]} ${v[$c]}.scotara
  c=$((c+1))
done