ability to specify a different file name for the DB

Changelog

@@ -1,3 +1,6 @@
+2009-04-27 log file parsing code improved a bit
+2009-04-27 bgsave_in_progress field in INFO output
+2009-04-27 INCRBY/DECRBY now support 64bit increments, with tests
 2009-04-23 RANDOMKEY regression test added
 2009-04-23 dictGetRandomKey bug fixed, RANDOMKEY will not block the server anymore
 2009-04-22 FLUSHALL/FLUSHDB no longer sync on disk. Just increment the dirty counter by the number of elements removed, that will probably trigger a background saving operation

TODO

@@ -7,7 +7,6 @@ BEFORE REDIS 1.0.0-rc1
 - network layer stresser in test in demo, make sure to set/get random streams of data and check that what we read back is byte-by-byte the same.
 - maxclients directive
 - check 'server.dirty' everywere
-- config parameter to change the name of the DB file
 - replication automated tests
 - an external tool able to perform the 'difference' between two Redis servers. It's like 'diff', but against Redis servers, and the output is the set of commands needed to turn the first server into the second, suitable to be sent via netcat.
    $ ./redis-diff 192.168.1.1 192.168.1.2 > diff.txt

redis.c

@@ -1001,6 +1001,8 @@ static void loadServerConfig(char *filename) {
           server.requirepass = zstrdup(argv[1]);
         } else if (!strcmp(argv[0],"pidfile") && argc == 2) {
           server.pidfile = zstrdup(argv[1]);
+        } else if (!strcmp(argv[0],"dbfilename") && argc == 2) {
+          server.dbfilename = zstrdup(argv[1]);
         } else {
             err = "Bad directive or wrong number of arguments"; goto loaderr;
         }

redis.conf

@@ -34,6 +34,9 @@ save 900 1
 save 300 10
 save 60 10000
 
+# The filename where to dump the DB
+dbfilename dump.rdb
+
 # For default save/load DB in/from the working directory
 # Note that you must specify a directory not a file name.
 dir ./
@@ -50,7 +53,9 @@ loglevel debug
 # output for logging but daemonize, logs will be sent to /dev/null
 logfile stdout
 
-# Set the number of databases.
+# Set the number of databases. The default database is DB 0, you can select
+# a different one on a per-connection basis using SELECT <dbid> where
+# dbid is a number between 0 and 'databases'-1
 databases 16
 
 ################################# REPLICATION #################################