POSIX requires 'pr -p' to support paging (although it incorrectly stated that it waits for \r, and is being fixed to wait for \n instead): https://austingroupbugs.net/view.php?id=1433
During discussion of the behavior of -p today, the Austin Group was surprised that coreutils' pr lacks -p altogether. -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org