X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Futilities%2Fset.q;h=243de30063c8b12332009d185ed02274c0a5bb06;hb=8d1e072157ee3c8273e328c491be3c8bf57452da;hp=38a6589b8e4c10aa23d4ccd6825c914b9f58097b;hpb=14decddbe997e8059910e02d28c5cccd747240fc;p=pspp

diff --git a/src/language/utilities/set.q b/src/language/utilities/set.q
index 38a6589b8e..243de30063 100644
--- a/src/language/utilities/set.q
+++ b/src/language/utilities/set.q
@@ -22,6 +22,9 @@
 #include <time.h>
 #include <unistd.h>
 
+#include "gl/vasnprintf.h"
+
+#include "data/casereader.h"
 #include "data/data-in.h"
 #include "data/data-out.h"
 #include "data/dataset.h"
@@ -105,6 +108,7 @@ int tgetnum (const char *);
      scripttab=string;
      seed=custom;
      tnumbers=custom;
+     tvars=custom;
      tb1=string;
      tbfonts=string;
      undefined=undef:warn/nowarn;
@@ -354,6 +358,35 @@ stc_custom_tnumbers (struct lexer *lexer,
 }
 
 
+static int
+stc_custom_tvars (struct lexer *lexer,
+                  struct dataset *ds UNUSED,
+                  struct cmd_set *cmd UNUSED, void *aux UNUSED)
+{
+  lex_match (lexer, T_EQUALS);
+
+  if (lex_match_id (lexer, "NAMES"))
+    {
+      settings_set_var_style (SETTINGS_VAR_STYLE_NAMES);
+    }
+  else if (lex_match_id (lexer, "LABELS"))
+    {
+      settings_set_var_style (SETTINGS_VAR_STYLE_LABELS);
+    }
+  else if (lex_match_id (lexer, "BOTH"))
+    {
+      settings_set_var_style (SETTINGS_VAR_STYLE_BOTH);
+    }
+  else
+    {
+      lex_error_expecting (lexer, "NAMES", "LABELS", "BOTH", NULL_SENTINEL);
+      return 0;
+    }
+
+  return 1;
+}
+
+
 /* Parses the EPOCH subcommand, which controls the epoch used for
    parsing 2-digit years. */
 static int
@@ -866,6 +899,23 @@ show_system (const struct dataset *ds UNUSED)
   return strdup (host_system);
 }
 
+static char *
+show_n (const struct dataset *ds)
+{
+  casenumber n;
+  size_t l;
+
+  const struct casereader *reader = dataset_source (ds);
+
+  if (reader == NULL)
+    return strdup (_("Unknown"));
+
+  n =  casereader_count_cases (reader);
+
+  return  asnprintf (NULL, &l, "%ld", n);
+}
+
+
 struct show_sbc
   {
     const char *name;
@@ -891,6 +941,7 @@ const struct show_sbc show_table[] =
     {"MXERRS", show_mxerrs},
     {"MXLOOPS", show_mxloops},
     {"MXWARNS", show_mxwarns},
+    {"N", show_n},
     {"PRINTBACk", show_printback},
     {"RESULTS", show_results},
     {"RIB", show_rib},