Filtering The Output From A Display Command - HP FlexFabric 7900 Series Configuration Manual

# Display information about VLAN 999, numbering each output line.
<Sysname> display vlan 999 | by-linenum
1: VLAN ID: 999
2: VLAN type: Static
3: Route interface: Configured
4: IP address: 192.168.2.1
5: Subnet mask: 255.255.255.0
6: Description: For LAN Access
7: Name: VLAN 0999
8: Tagged ports:
9: Untagged ports:
10:

Filtering the output from a display command

You can use the | { begin | exclude | include } regular-expression option to filter the display command
output:
begin—Displays the first line matching the specified regular expression and all subsequent lines.
•
• exclude—Displays all lines not matching the specified regular expression.
include—Displays all lines matching the specified regular expression.
•
regular-expression—A case-sensitive string of 1 to 256 characters, which can contain the special
•
characters described in
The filtering operation takes time. The more complicated the regular expression is, the longer the filtering
operation takes. To stop the operation, press Ctrl+C.
Table 5 Special characters supported in a regular expression
Characters
^
$
. (period)
*
+
|
( )
None
FortyGigE1/0/1
Table 5.
Meaning
Matches the beginning of a line.
Matches the end of a line.
Matches any single character.
Matches the preceding character or
string zero, one, or multiple times.
Matches the preceding character or
string one or multiple times.
Matches the preceding or succeeding
string.
Matches the string in the parentheses,
usually used together with the plus sign
(+) or asterisk sign (*).
Examples
"^user" matches all lines beginning with "user". A
line beginning with "Auser" is not matched.
"user$" matches all lines ending with "user". A line
ending with "userA" is not matched.
".s" matches "as" and "bs".
"zo*" matches "z" and "zoo", and "(zo)*"
matches "zo" and "zozo".
"zo+" matches "zo" and "zoo", but not "z".
"def|int" matches a string containing "def" or
"int".
"(123A)" matches "123A".
"408(12)+" matches "40812" and
"408121212", but not "408".
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