From ccb16252f0f9f55198ca2662ab8daf7199b817de Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Thu, 22 Nov 2012 16:17:08 -0800
Subject: move join() to utils

---
 tools/utils.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'tools/utils.c')

diff --git a/tools/utils.c b/tools/utils.c
index 6dbbff4..691070e 100644
--- a/tools/utils.c
+++ b/tools/utils.c
@@ -1,4 +1,4 @@
-#include <string>
+#include "utils.h"
 #include <sstream>
 #include <iomanip>
 #include <stdlib.h>     /* for abs() */
@@ -6,8 +6,8 @@
 /////                   due to lack of interger abs()
 /////                   and ambiguous (and inefficient) promotion
 #include <ctype.h>      /* for isalnum() */
-using namespace std;
 
+using namespace std;
 
 // strip off the directory part of a path, leaving just
 // the basic filename
@@ -28,7 +28,6 @@ int prefix(const string shorter, const string longer){
 // print a time as (-)hh:mm:ss
 //
 string time_out(const int _ttt){
-using namespace std;
   int ttt(abs(_ttt));
   int sec(ttt % 60);
   int min((ttt / 60) % 60);
@@ -76,7 +75,6 @@ string trim(const string foo, const string bar){
 static const string Pure_Enough("+-_.,@%~");
 
 string purify(const string arg){
-  using namespace std;
   string rslt(arg);
   for (string::iterator ptr = rslt.begin();
         ptr != rslt.end(); ptr++){
@@ -115,3 +113,14 @@ string noCR(const string bar){
   }
   return foo;
 }
+
+// sorta like Perl's join(...)
+string join(const string sep, const list<string> stuff){
+  string rslt;
+  for (list<string>::const_iterator ptr = stuff.begin();
+        ptr != stuff.end(); ptr++){
+    if (rslt.length()) rslt += sep;
+    rslt += *ptr;
+  }
+  return rslt;
+}
-- 
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