ref: d99a4ed1b8d06a5163b1cceb8d4cfe285faa70b2
dir: /sys/src/cmd/pkg/list/
#!/bin/rc
if(~ $#pkgpath 0)
pkgpath=http://9front.org/pkg/$cputype
if(~ $pkgpath ftp* http*)
hget $pkgpath | htmlfmt | grep '\.tbz' | sed -e 's/\.tbz.*$//g' | awk '{print $NF}'
if not
ls -p $pkgpath/*.tbz | sed 's/\.tbz.*$//g'