php man page for msgid

msgid(1M)						  System Administration Commands						 msgid(1M)

NAME
       msgid - generate message IDs

SYNOPSIS
       /usr/sbin/msgid

DESCRIPTION
       The msgid utility generates message IDs.

       A message ID is a numeric identifier that, with a high probability, uniquely identifies a message. The probability of two distinct messages
       having the same ID is about one in a million. Specifically, the message ID is a hash signature on the message's unexpanded  format  string,
       generated by STRLOG_MAKE_MSGID() as defined in <sys/strlog.h>.

       syslogd(1M) is a simple filter that takes strings as input and produces those same strings, preceded by their message IDs, as output. Every
       message logged by syslogd(1M) includes the message ID. The message ID is intended to serve as a small, language-independent identifier.

EXAMPLES
       Example 1: Using the msgid command to generate a message ID

       The following example uses the msgid command to generate a message ID for the echo command.

       example# echo hello | msgid
       205790 hello

       Example 2: Using the msgid command to generate a message catalog

       The following example uses the msgid command to enumerate all of the messages in the binary ufs, to generate a message catalog.

       example# strings /kernel/fs/ufs | msgid
       137713 free:
	   freeing free frag, dev:0x%lx, blk:%ld, cg:%d, ino:%lu, fs:%s
       567420 ialloccg: block not in mapfs = %s
       845546 alloc: %s: file system full
       ...

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       syslogd(1M), attributes(5), log(7d)

SunOS 5.10							    9 Oct 1998								 msgid(1M)