Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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Filtering show Commands

You can filter commands using the show command to find specific information, display certain information only, or begin the command output at the first instance of a regular expression or phrase.

Execute a show command and a pipe ( | ), and one of the following parameters and a regular expression to show output that either excludes or includes the specified parameters.

NOTE: The Dell EMC Networking OS accepts a space before or after the pipe, no space before or after the pipe, or any combination. For example: command | grep gigabit |except regular-expression | find regular-expression.
except
Displays only the text that does not match the pattern (or regular expression).
find
Searches for the first occurrence of a pattern.
grep
Displays text that matches a pattern.

The grep command option has an ignore-case suboption that makes the search case-insensitive. For example, the commands:

show run | grep Ethernet
Returns a search result with instances containing a capitalized Ethernet, such as interface TenGigabitEthernet 1/1.
show run | grep ethernet
Does not return the previous search result because it only searches for instances containing a noncapitalized ethernet.
show run | grep Ethernet ignore-case
Returns instances containing both Ethernet and ethernet.
no-more
Does not paginate the display output.
save
Copies the output to a file for future use.

Displaying All Output

Use the no-more option after the pipe to display all output at once — not one screen at a time. This operation is similar to terminal length screen-length except that the no-more option affects the output of just the specified command. For example: show running-config|no-more.

Filtering the Command Output Multiple Times

You can filter a single command output multiple times. To filter a command output multiple times, place the save option as the last filter. For example: command | grep regular-expression | except regular-expression | grep other-regular-expression | find regular-expression | no-more | save.


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