Plan 9 from Bell Labs’s /usr/web/sources/contrib/someone/root/rc/bin/dircpmk
#!/bin/rc # dircpmk src dst - copy trees with mkfs|mkext if (! ~ $#* 2) { echo usage: $0 src dest >[1=2] exit usage } # mkext -v will verbosely describe extraction echo + | disk/mkfs -a -s $1 /fd/0 | disk/mkext -ud $2