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Chapter 15 Perl Quick Reference |
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15.24 Information from System Files
passwd
Returns ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell).
- endpwent
-
Ends lookup processing.
- getpwent
-
Gets next user information.
- getpwnam name
-
Gets information by name.
- getpwuid uid
-
Gets information by user ID.
- setpwent
-
Resets lookup processing.
group
Returns ($name, $passwd, $gid, $members).
- endgrent
-
Ends lookup processing.
- getgrgid gid
-
Gets information by group ID.
- getgrnam name
-
Gets information by name.
- getgrent
-
Gets next information.
- setgrent
-
Resets lookup processing.
hosts
Returns ($name, $aliases, $addrtype, $length, @addrs).
- endhostent
-
Ends lookup processing.
- gethostbyaddr addr, addrtype
-
Gets information by IP address.
- gethostbyname name
-
Gets information by hostname.
- gethostent
-
Gets next host information.
- sethostent stayopen
-
Resets lookup processing.
networks
Returns ($name, $aliases, $addrtype, $net).
- endnetent
-
Ends lookup processing.
- getnetbyaddr addr, type
-
Gets information by address and type.
- getnetbyname name
-
Gets information by network name.
- getnetent
-
Gets next network information.
- setnetent stayopen
-
Resets lookup processing.
services
Returns ($name, $aliases, $port, $proto).
- endservent
-
Ends lookup processing.
- getservbyname name, proto
-
Gets information by service name.
- getservbyport port, proto
-
Gets information by service port.
- getservent
-
Gets next service information.
- setservent stayopen
-
Resets lookup processing.
protocols
Returns ($name, $aliases, $proto).
- endprotoent
-
Ends lookup processing.
- getprotobyname name
-
Gets information by protocol name.
- getprotobynumber number
-
Gets information by protocol number.
- getprotoent
-
Gets next protocol information.
- setprotoent stayopen
-
Resets lookup processing.
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| Miscellaneous |  |
Special Variables |
