03-05-2002
Take a look at my datecalc routine. You can use the -j option to validate a date.
datecalc -j 2000 2 29
returns a Modified Julian Day Number while
datecalc -j 2002 2 29
returns an error message. In either case the return code is set. The error message goes to stderr while the MJD goes to stdout.
datecalc is
here.
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LEARN ABOUT HPUX
sec_intro
sec_intro(1m) sec_intro(1m)
NAME
sec_intro - Introduction to the DCE Security administrative commands
DESCRIPTION
This section describes DCE Security commands for system administration. These commands are Manages Access Control Lists (ACLs) for DCE
objects Starts the DCE Audit Daemon Changes user information, such as login name, password, home directory, password and account expiration
dates, and login shell. The implementation of this utility is platform-specific. Use the chpass utility supplied by your platform vendor
for changing user information. Validates a principal's identity and obtains a principal's network credentials. This command is used pri-
marily during DCE configuration. Use the login utility supplied by your platform vendor for user login. Destroys your login context and
credentials Obtains and caches a ticket granting ticket Lists cached tickets Updates local password and group files from DCE registry data
Creates DCE registry entries based on password and group file entries Establishes DCE registry overrides for a principal on a local node
Sample password management server Edits the registry database Administers the Security Server Creates registry databases The Security
Server daemon Reconstructs or recovers a registry database Allows you to assume another user's identity. The implementation of this util-
ity is platform-specific. Use the su utility supplied by your platform vendor.
See the command's reference page for further information on each command.
sec_intro(1m)