Sam Liddicott <s...@liddicott.com> writes: > Listed in the changes: > c. Here documents and here strings now use pipes for the expanded > document if it's smaller than the pipe buffer size, reverting > to temporary files if it's larger. > > This causes problems with many programs suffering from the TOCTOU > bug of checking whether or not the input is actually a file > instead of just using it as one.
Ugh! Because of course, the bash manual does not specify that a here document input will be a file, just that it will be an FD from which the text can be read. Dale
