Function trx::append_groups_to_directory

Function Documentation

void trx::append_groups_to_directory(const std::string &directory, const std::map<std::string, std::vector<uint32_t>> &groups, bool overwrite = true)

Append named groups to an existing TRX directory.

Creates the groups/ subdirectory if absent, then writes one “{name}.uint32” binary file per group.

Parameters:

  • directory – Path to an existing TRX directory.

  • groups – Map from group name to sorted vector of uint32 streamline indices.

  • overwrite – If false, existing files with the same name are skipped (default: true).

Throws:

TrxIOError – on any I/O failure.