Diags: file_min_digits input parameter (#2083)

* Added file_min_digits input parameter
* Set default m_file_min_digits = 5
* Implemented file_min_digits in OpenPMD

1 files changed, 2 insertions, 2 deletions

diff --git a/Source/Diagnostics/FlushFormats/FlushFormatPlotfile.cpp b/Source/Diagnostics/FlushFormats/FlushFormatPlotfile.cpp
index cbe5e2b3b..be1c70582 100644
--- a/Source/Diagnostics/FlushFormats/FlushFormatPlotfile.cpp
+++ b/Source/Diagnostics/FlushFormats/FlushFormatPlotfile.cpp
@@ -57,14 +57,14 @@ FlushFormatPlotfile::WriteToFile (
     amrex::Vector<amrex::Geometry>& geom,
     const amrex::Vector<int> iteration, const double time,
     const amrex::Vector<ParticleDiag>& particle_diags, int nlev,
-    const std::string prefix, bool plot_raw_fields,
+    const std::string prefix, int file_min_digits, bool plot_raw_fields,
     bool plot_raw_fields_guards, bool plot_raw_rho, bool plot_raw_F,
     bool /*isBTD*/, int /*snapshotID*/, const amrex::Geometry& /*full_BTD_snapshot*/,
     bool /*isLastBTDFlush*/) const
 {
     WARPX_PROFILE("FlushFormatPlotfile::WriteToFile()");
     auto & warpx = WarpX::GetInstance();
-    const std::string& filename = amrex::Concatenate(prefix, iteration[0]);
+    const std::string& filename = amrex::Concatenate(prefix, iteration[0], file_min_digits);
     amrex::Print() << "  Writing plotfile " << filename << "\n";
 
     Vector<std::string> rfs;