Cool features of oe-pkgdata-util utility; works only on built content, and based on contents of tmp/pkgdata/<arch>/.

$ oe-pkgdata-util list-pkgs
acl
acl-dbg
acl-dev
acl-doc
acl-locale-de
acl-locale-en+boldquot
acl-locale-en+quot
acl-locale-es
acl-locale-fr
acl-locale-gl
acl-locale-pl
acl-locale-sv
acl-ptest
acl-src
attr
attr-dbg
attr-dev
attr-doc
... snip ...
busybox
busybox-dbg
busybox-dev
busybox-hwclock
busybox-ptest
busybox-src
busybox-syslog
busybox-udhcpc
busybox-udhcpd
... more snip ...

$ oe-pkgdata-util list-pkg-files busybox
busybox:
	/bin/busybox
	/bin/busybox.nosuid
	/bin/busybox.suid
	/bin/sh
	/etc/busybox.links.nosuid
	/etc/busybox.links.suid
$

$ oe-pkgdata-util list-pkg-files busybox-syslog
busybox-syslog:
	/etc/init.d/syslog
	/etc/syslog-startup.conf
	/etc/syslog.conf
$

$ oe-pkgdata-util lookup-recipe busybox
busybox
$

$ oe-pkgdata-util lookup-recipe busybox-syslog
busybox
$