From 3364850cc7cf73fc67af1ea6cd9a65a32e336623 Mon Sep 17 00:00:00 2001
From: Johannes Loher <johannes.loher@fg4f.de>
Date: Fri, 29 Dec 2017 03:23:10 +0100
Subject: Use an std::set instead of an std::list to store the the journal file
 paths

---
 src/session.cc | 4 ++--
 src/session.h  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/session.cc b/src/session.cc
index deba3afa..11d67cea 100644
--- a/src/session.cc
+++ b/src/session.cc
@@ -76,7 +76,7 @@ std::size_t session_t::read_data(const string& master_account)
       file = path(home_var) / ".ledger";
 
     if (! file.empty() && exists(file))
-      HANDLER(file_).data_files.push_back(file);
+      HANDLER(file_).data_files.insert(file);
     else
       throw_(parse_error, "No journal file was specified (please use -f)");
 
@@ -214,7 +214,7 @@ journal_t * session_t::read_journal_files()
 journal_t * session_t::read_journal(const path& pathname)
 {
   HANDLER(file_).data_files.clear();
-  HANDLER(file_).data_files.push_back(pathname);
+  HANDLER(file_).data_files.insert(pathname);
 
   return read_journal_files();
 }
diff --git a/src/session.h b/src/session.h
index bb9c5f7e..82d9981f 100644
--- a/src/session.h
+++ b/src/session.h
@@ -143,14 +143,14 @@ public:
 
   OPTION__
   (session_t, file_, // -f
-   std::list<path> data_files;
+   std::set<path> data_files;
    CTOR(session_t, file_) {}
    DO_(str) {
      if (parent->flush_on_next_data_file) {
        data_files.clear();
        parent->flush_on_next_data_file = false;
      }
-     data_files.push_back(str);
+     data_files.insert(str);
    });
 
   OPTION_(session_t, input_date_format_, DO_(str) {
-- 
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