2,1
])
AT_CLEANUP
+
+m4_define([DATA_READER_BINARY],
+ [AT_SETUP([read and write files with $1])
+ AT_DATA([input.txt], [dnl
+07-22-2007
+10-06-2007
+321
+07-14-1789
+08-26-1789
+4
+01-01-1972
+12-31-1999
+682
+])
+ AT_DATA([make-binary.pl], [dnl
+use strict;
+use warnings;
+
+# ASCII to EBCDIC translation table
+our ($ascii2ebcdic) = ""
+. "\x00\x01\x02\x03\x37\x2d\x2e\x2f"
+. "\x16\x05\x25\x0b\x0c\x0d\x0e\x0f"
+. "\x10\x11\x12\x13\x3c\x3d\x32\x26"
+. "\x18\x19\x3f\x27\x1c\x1d\x1e\x1f"
+. "\x40\x5a\x7f\x7b\x5b\x6c\x50\x7d"
+. "\x4d\x5d\x5c\x4e\x6b\x60\x4b\x61"
+. "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7"
+. "\xf8\xf9\x7a\x5e\x4c\x7e\x6e\x6f"
+. "\x7c\xc1\xc2\xc3\xc4\xc5\xc6\xc7"
+. "\xc8\xc9\xd1\xd2\xd3\xd4\xd5\xd6"
+. "\xd7\xd8\xd9\xe2\xe3\xe4\xe5\xe6"
+. "\xe7\xe8\xe9\xad\xe0\xbd\x9a\x6d"
+. "\x79\x81\x82\x83\x84\x85\x86\x87"
+. "\x88\x89\x91\x92\x93\x94\x95\x96"
+. "\x97\x98\x99\xa2\xa3\xa4\xa5\xa6"
+. "\xa7\xa8\xa9\xc0\x4f\xd0\x5f\x07"
+. "\x20\x21\x22\x23\x24\x15\x06\x17"
+. "\x28\x29\x2a\x2b\x2c\x09\x0a\x1b"
+. "\x30\x31\x1a\x33\x34\x35\x36\x08"
+. "\x38\x39\x3a\x3b\x04\x14\x3e\xe1"
+. "\x41\x42\x43\x44\x45\x46\x47\x48"
+. "\x49\x51\x52\x53\x54\x55\x56\x57"
+. "\x58\x59\x62\x63\x64\x65\x66\x67"
+. "\x68\x69\x70\x71\x72\x73\x74\x75"
+. "\x76\x77\x78\x80\x8a\x8b\x8c\x8d"
+. "\x8e\x8f\x90\x6a\x9b\x9c\x9d\x9e"
+. "\x9f\xa0\xaa\xab\xac\x4a\xae\xaf"
+. "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7"
+. "\xb8\xb9\xba\xbb\xbc\xa1\xbe\xbf"
+. "\xca\xcb\xcc\xcd\xce\xcf\xda\xdb"
+. "\xdc\xdd\xde\xdf\xea\xeb\xec\xed"
+. "\xee\xef\xfa\xfb\xfc\xfd\xfe\xff";
+length ($ascii2ebcdic) == 256 || die;
+
+open (INPUT, '<', 'input.txt') or die "input.txt: open: $!\n";
+my (@data) = <INPUT> or die;
+close (INPUT) or die;
+chomp $_ foreach @data;
+
+our @records;
+
+$2
+
+sub a2e {
+ local ($_) = @_;
+ my ($s) = "";
+ foreach (split (//)) {
+ $s .= substr ($ascii2ebcdic, ord, 1);
+ }
+ return $s;
+}
+
+sub min {
+ my ($a, $b) = @_;
+ return $a < $b ? $a : $b
+}
+
+sub dump_records {
+ while (@records) {
+ my ($n) = min (int (rand (5)) + 1, scalar (@records));
+ my (@r) = splice (@records, 0, $n);
+ my ($len) = 0;
+ $len += length foreach @r;
+ print pack ("n xx", $len + 4);
+ print foreach @r;
+ }
+}
+])
+ AT_CHECK([$PERL make-binary.pl < input.txt > input.bin])
+ AT_DATA([data-reader.sps], [dnl
+FILE HANDLE input/NAME='input.bin'/$1.
+DATA LIST FIXED FILE=input NOTABLE
+ /1 start 1-10 (ADATE)
+ /2 end 1-10 (ADATE)
+ /3 count 1-3.
+LIST.
+
+* Output the data to a new file in the same format.
+FILE HANDLE OUTPUT/NAME='output.bin'/$1.
+COMPUTE count=count + 1.
+PRINT OUTFILE=output/start end count.
+EXECUTE.
+])
+ AT_CHECK([pspp -O format=csv data-reader.sps], [0], [dnl
+Table: Data List
+start,end,count
+07/22/2007,10/06/2007,321
+07/14/1789,08/26/1789,4
+01/01/1972,12/31/1999,682
+])
+ AT_CHECK([test -s output.bin])
+ AT_DATA([data-reader-2.sps], [dnl
+* Re-read the new data and list it, to verify that it was written correctly.
+FILE HANDLE OUTPUT/NAME='output.bin'/$1.
+DATA LIST FIXED FILE=output NOTABLE/
+ start 2-11 (ADATE)
+ end 13-22 (ADATE)
+ count 24-26.
+LIST.
+])
+ AT_CHECK([pspp -O format=csv data-reader-2.sps], [0], [dnl
+Table: Data List
+start,end,count
+07/22/2007,10/06/2007,322
+07/14/1789,08/26/1789,5
+01/01/1972,12/31/1999,683
+])
+ AT_CLEANUP])
+
+DATA_READER_BINARY([MODE=BINARY],
+ [for $_ (@data) {
+ my ($reclen) = pack ("V", length);
+ print $reclen, $_, $reclen;
+ }])
+
+DATA_READER_BINARY([MODE=360 /RECFORM=FIXED /LRECL=32],
+ [my ($lrecl) = 32;
+ for $_ (@data) {
+ my ($out) = substr ($_, 0, $lrecl);
+ $out .= ' ' x ($lrecl - length ($out));
+ length ($out) == 32 or die;
+ print +a2e ($out);
+ }])
+
+DATA_READER_BINARY([MODE=360 /RECFORM=VARIABLE],
+ [for $_ (@data) {
+ push (@records, pack ("n xx", length ($_) + 4) . a2e ($_));
+ }
+ dump_records ();])
+
+DATA_READER_BINARY([MODE=360 /RECFORM=SPANNED],
+ [[for my $line (@data) {
+ local ($_) = $line;
+ my (@r);
+ while (length) {
+ my ($n) = min (int (rand (5)), length);
+ push (@r, substr ($_, 0, $n, ''));
+ }
+ foreach my $i (0...$#r) {
+ my $scc = ($#r == 0 ? 0
+ : $i == 0 ? 1
+ : $i == $#r ? 2
+ : 3);
+ push (@records,
+ pack ("nCx", length ($r[$i]) + 4, $scc) . a2e ($r[$i]));
+ }
+ }
+ dump_records ();]])
projects / pspp-builds.git / blobdiff