dnl PSPP - a program for statistical analysis.
dnl Copyright (C) 2017 Free Software Foundation, Inc.
dnl 
dnl This program is free software: you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation, either version 3 of the License, or
dnl (at your option) any later version.
dnl 
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl 
dnl You should have received a copy of the GNU General Public License
dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
dnl AT_BANNER([FILTER])

AT_SETUP([FILTER])
AT_DATA([filter.sps], [dnl
data list notable /X 1-2.
begin data.
1
2
3
4
5
6
7
8
9
10
end data.
compute FILTER_$ = mod(x,2).

filter by filter_$.
list.
filter off.
list.
compute filter_$ = 1 - filter_$.
filter by filter_$.
list.
])
AT_CHECK([pspp -o pspp.csv filter.sps])
AT_CHECK([cat pspp.csv], [0], [dnl
Table: Data List
X,FILTER_$
1,1.00
3,1.00
5,1.00
7,1.00
9,1.00

Table: Data List
X,FILTER_$
1,1.00
2,.00
3,1.00
4,.00
5,1.00
6,.00
7,1.00
8,.00
9,1.00
10,.00

Table: Data List
X,FILTER_$
2,1.00
4,1.00
6,1.00
8,1.00
10,1.00
])
AT_CLEANUP