ref: c9fdc09053a80ea0ae1c2c1ba5bb4a4597628a2f
dir: /sys/src/cmd/pkg/list/
#!/bin/rc
if(~ $#pkgpath 0)
pkgpath=http://r-36.net/9front/pkg/$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'