01-09-2006
hmm writing a c program to do this would be time consuming, what is the database you are using. most databases have tools to unload data in flat file system and that eases a lot of work, in most databases these tools are really very efficient.
for eg if you are using the database informix, the tool is dbunload.
there will be similar tools for oracle, etc. So tell us what is the database client tools you are using?
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LEARN ABOUT DEBIAN
cyrus-ctl_cyrusdb
CTL_CYRUSDB(8) System Manager's Manual CTL_CYRUSDB(8)
*
NAME
ctl_cyrusdb - perform operations common to all Cyrus databases
SYNOPSIS
ctl_cyrusdb [ -C config-file ] -r [ -x ]
ctl_cyrusdb [ -C config-file ] -c
DESCRIPTION
Ctl_cyrusdb is used to perform various administrative operations on the Cyrus databases.
Ctl_cyrusdb reads its configuration options out of the imapd.conf(5) file unless specified otherwise by -C. The configdirectory option is
used to determine the default location of the Cyrus databases.
OPTIONS
-C config-file
Read configuration options from config-file.
-r Recover the databases after an application or system failure. Also performs database cleanup like removing mailbox reservations
(and any associated mailbox files).
All mailbox files are also checked to make sure the file format matches the configured database type in imapd.conf. If not, the
file is automatically converted using the same logic as cvt_cyrusdb.
-x Used with -r to recover the database only. (Prevents database cleanup).
-c Checkpoint and archive the databases. Changes to the database which are part of committed transactions are written to disk. Also,
a hot backup of the databases is made and inactive log files are removed.
FILES
/etc/imapd.conf
SEE ALSO
imapd.conf(5), cyrmaster(8)
CMU
Project Cyrus CTL_CYRUSDB(8)