search for: wrtitebin

Dear RHelp-list, ?I want to write at a specific position in a file without reading all the file because it is very large and I cannot read it in my RAM. But I miss something about the use of the command writeBin in conjunction with seek. In the example bellow the seek commands works well with the readBin command but not with writeBin, the writeBin command write from the beginning of the file

? Tue, 21 May 2024 11:29:33 +0200 Laurent Rhelp <laurentRHelp at free.fr> ?????: > pos <- seek(con_in,2,origin="start") > # We have to repeat the command to return the good amount of read > # bytes > print(paste0("pos is not equal to 2, pos = ",pos)) That's because seek() returns the previous position ("before any move", the one that the