From 61aca1c262ef713a5da454701830000b68bf9016 Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Tue, 17 Jul 2012 07:04:19 -0700
Subject: show filename only once in "-l" mode

---
 tools/mail-scan.c | 60 ++++++++++++++++++++++++++++---------------------------
 1 file changed, 31 insertions(+), 29 deletions(-)

diff --git a/tools/mail-scan.c b/tools/mail-scan.c
index 3749945..8e0f267 100644
--- a/tools/mail-scan.c
+++ b/tools/mail-scan.c
@@ -168,6 +168,7 @@ public:
     } else {
       key = init;
     }
+    //xx cerr << "watcher key: " << key << "  val: " << val << endl;
   }
 };
 
@@ -240,7 +241,7 @@ int main(int _argc, const char** _argv){
     string boundary("x-xx-x");
     int msgsize(0);
     int foundsome_infile(0);
-    for (;;){           // loop over all records in file
+    for (;;){           // loop over all records in this file
       if (inheads) {
         list<string> Header;
         string line;
@@ -264,44 +265,45 @@ int main(int _argc, const char** _argv){
         }
         if (Header.front().length() == 0) {
           inheads = 0;
+          continue;     // blank line needs no further processing
+        }
+        string headword;      // the first thing on the line, e.g. "Subject"
+        string rest;
+        string header;
+        if (!multi) header = join(" ", Header);
+        else        header = join("\n", Header);
+        size_t where = header.find(":");
+        if (where != string::npos) {
+          headword = header.substr(0, where);
+          rest = ltrim(header.substr(1+where));
         }
-        else {
-          string headword;      // the first thing on the line, e.g. "Subject"
-          string rest;
-          string header;
-          if (!multi) header = join(" ", Header);
-          else        header = join("\n", Header);
-          size_t where = header.find(":");
-          if (where != string::npos) {
-            headword = header.substr(0, where);
-            rest = ltrim(header.substr(1+where));
-          }
 // temporary?  FIXME? lowercase
-          headword = toLower(headword);
-          rest     = toLower(rest);
-          for (list<watcher>::const_iterator ptr = watchword.begin();
-            ptr != watchword.end(); ptr++) {
-            if (headword == toLower(ptr->key)) {
-              // here if match as to keyword;  check for match as to value
-              if (ptr->val.length()==0
-               || rest.find(toLower(ptr->val)) != string::npos) {
-                foundsome_infile++;
-                if (!vflag) {
-                  // << foundsome_infile  << " " ;  (number of occurrences)
-                  cout << *file;
-                  if (!fname_only) cout << " :: " << header;
-                  cout << endl;
-                  didprint++;
-                }
+        headword = toLower(headword);
+        rest     = toLower(rest);
+        for (list<watcher>::const_iterator ptr = watchword.begin();
+          ptr != watchword.end(); ptr++) {
+          if (headword == toLower(ptr->key)) {
+            // here if match as to keyword;  check for match as to value
+            if (ptr->val.length()==0
+             || rest.find(toLower(ptr->val)) != string::npos) {
+              foundsome_infile++;
+              if (!vflag) {
+                // << foundsome_infile  << " " ;  (number of occurrences)
+                cout << *file;
+                if (!fname_only) cout << " :: " << header;
+                cout << endl;
+                didprint++;
               }
             }
           }
         }
+// only show file once, even if there might have been multiple matches:
+        if (fname_only && didprint) break;
       } else {
         // not in header
         break;
       }
-    }
+    }   // end loop over matching records in this file
     if (vflag && !foundsome_infile) {
       cout << foundsome_infile
         << " ... " << *file << endl;
-- 
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