ref: 0644aa11c120a581eec1d47c66208e08b946ec08
dir: /appl/cmd/dbm/keys.b/
implement Dbmkeys; include "sys.m"; sys: Sys; include "draw.m"; include "dbm.m"; dbm: Dbm; Datum, Dbf: import dbm; Dbmkeys: module { init: fn(nil: ref Draw->Context, args: list of string); }; init(nil: ref Draw->Context, args: list of string) { sys = load Sys Sys->PATH; dbm = load Dbm Dbm->PATH; dbm->init(); args = tl args; db := Dbf.open(hd args, Sys->OREAD); if(db == nil){ sys->fprint(sys->fildes(2), "dbm/keys: %s: %r\n", hd args); raise "fail:open"; } for(key := db.firstkey(); key != nil; key = db.nextkey(key)) sys->print("%s\n", string key); }