Examples of org.renjin.primitives.io.connections.OpenSpec

org.renjin.primitives.io.connections.OpenSpec

Defines the way a connection should be opened. Possible values are:

‘"r"’ or ‘"rt"’ Open for reading in text mode.
‘"w"’ or ‘"wt"’ Open for writing in text mode.
‘"a"’ or ‘"at"’ Open for appending in text mode.
‘"rb"’ Open for reading in binary mode.
‘"wb"’ Open for writing in binary mode.
‘"ab"’ Open for appending in binary mode.
‘"r+"’, ‘"r+b"’ Open for reading and writing.
‘"w+"’, ‘"w+b"’ Open for reading and writing, truncating file initially.
‘"a+"’, ‘"a+b"’ Open for reading and appending.

      boolean evalPromises) throws IOException {
    
    Connection con = Connections.getConnection(context, connHandle);
    boolean wasOpen = con.isOpen();
    if(!wasOpen) {
      con.open(new OpenSpec("wb"));
    }
    
    if(!con.canWrite()) {
      throw new EvalException("connection not open for writing");
    }

Examples of org.renjin.primitives.io.connections.OpenSpec

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