For the record, here is my bash workaround to convert a heredoc fd into a
tmpfile.
Code golfers - please feel free to simplify it
Just prefix the command with "herefile" and the fd that needs converting to
a file,
e.g.
herefile 3 command ... /dev/fd/3 3<<&'"$2" &&
# run command reading
Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -g -O2 -flto=auto -ffat-lto-objects -flto=auto
-ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security
-Wall
uname output: Linux junior 5.15.0-25-g
