search for: maskedb0_lia

...'t seem to occur all the time - I tried to create a small example file to illustrate it, but the problem didn't occur. However, it can be seen with a file I use for testing my packages, which is available through the URL <https://github.com/jonclayden/tractor/blob/master/tests/data/nifti/maskedb0_lia.nii.gz?raw=true>: > con <- gzfile("~/Downloads/maskedb0_lia.nii.gz","rb") > seek(con, 352) [1] 0 Warning message: In seek.connection(con, 352) : seek on a gzfile connection returned an internal error > seek(con, NA) [1] 190 The same commands with the same file...