1 files changed, 6 insertions, 2 deletions
diff --git a/correlations.cpp b/correlations.cpp
index 930698a..ef0222e 100644
--- a/correlations.cpp
+++ b/correlations.cpp
@@ -14,10 +14,11 @@ int main(int argc, char* argv[]) {
   Real Δw = 1e-2;
   Real T0 = 0;
   Real T = 100;
+  std::string id;
 
   int opt;
 
-  while ((opt = getopt(argc, argv, "N:E:t:w:0:T:")) != -1) {
+  while ((opt = getopt(argc, argv, "N:E:t:w:0:T:i:")) != -1) {
     switch (opt) {
     case 'N':
       N = (unsigned)atof(optarg);
@@ -37,12 +38,15 @@ int main(int argc, char* argv[]) {
     case 'T':
       T = atof(optarg);
       break;
+    case 'i':
+      id = optarg;
+      break;
     default:
       exit(1);
     }
   }
 
-  std::string filebase = std::to_string(N) + "_" + std::to_string(E) + "_" + std::to_string(-std::log10(Δt)) + "_" + std::to_string(Δw);
+  std::string filebase = std::to_string(N) + "_" + std::to_string(E) + "_" + std::to_string(-std::log10(Δt)) + "_" + std::to_string(Δw) + "_" + id;
 
   std::ifstream file(filebase + ".dat", std::ios::binary|std::ios::in|std::ios::ate);