check_file_size: Check that a file is large enough to contain the expected...

In freesurferformats: Read and Write 'FreeSurfer' Neuroimaging File Formats

Check that a file is large enough to contain the expected data payload.

Description

Compares the expected data size against the file size on disk. Stops with an error if the file is too small (truncated or corrupt).

Usage

check_file_size(filepath, header_bytes, data_bytes)

Arguments

filepath	character string, path to the file.
header_bytes	single numeric value, the number of bytes consumed by the file header (everything before the data payload).
data_bytes	single numeric value, the expected number of bytes in the data payload.

Value

logical, TRUE (invisibly) if the file is large enough. Stops with an error otherwise.

freesurferformats documentation built on Sept. 8, 2026, 5:08 p.m.