cat: don't allocate buffers if not needed to reduce memory usage
cat: don't allocate buffers if not needed to reduce memory usage

yonjah/rclone,yonjah/rclone,olihey/rclone,kynikos/rclone,B4dM4n/rclone,ncw/rclone,kynikos/rclone,yonjah/rclone,B4dM4n/rclone,olihey/rclone,kynikos/rclone,ncw/rclone,seuffert/rclone,B4dM4n/rclone,olihey/rclone,B4dM4n/rclone,olihey/rclone,ncw/rclone,seuffert/rclone,yonjah/rclone,seuffert/rclone,seuffert/rclone,ncw/rclone,kynikos/rclone