It is really tedious to have to type field-value pair after field-value pair just to search for a list of values in the same field.
But that's exactly what you had to do before version 6. You had to specify each field-value pair as a separate OR condition.
One of the best improvements made to the search command is the IN operator. With the IN operator, you can specify the field and a list of values. For example:. Because the search command is implied at the beginning of a search string, all you need to specify is the field name and a list of values. The syntax is simple:. Note: The examples in this blog show the IN operator in uppercase for clarity.
You can use uppercase or lowercase when you specify the IN operator.
You can also use a wildcard in the value list to search for similar values. With the search command this capability is referred to as the "IN operator". With the eval and where commands, it is implemented as the "IN function". To use IN with the eval and where commands, you must use IN as an eval function. The Splunk documentation calls it the "IN function". The values in the status field are HTTP status codes.
Because the codes are string values not numeric valuesyou must enclose each value in quotation marks. Using the IN function with the eval command is different than using IN with the where command. The eval command cannot accept Boolean values, you must use the IN function inside another function that can process the Boolean values returned by the IN function.Splunk Commands: Differences among stats,eventstats and streamstats
Let's go through an example where you can use the IN function as the first parameter for the IF function. We'll use the access. In the following example, the IN function is used with the IF function to evaluate the action field. Then the stats command performs a calculation. The results appear on the Statistics tab and show the counts for how many events have Purchase Related activity and how many have Other types of activity. This results table is great. You can also show the results in a chart.
Switch to the Visualization tab and change the chart type to Pie Chart. See the following Splunk documentation for more information:. Laura unravels the SPL maze, bringing clarity to the murky. She has been a software instructor, wrote books on Excel, PowerPoint, and Project, and spent some very interesting time working at the Defense Intelligence Agency in DC. By Laura Stewart May 08, Searching for different values in the same field has been made easier.
Thank you Splunk! Using IN with the search command One of the best improvements made to the search command is the IN operator. For example How cool is that! And the syntax and usage are slightly different than with the search command. String values must be enclosed in quotation marks.Use the evaluation functions to evaluate an expression, based on your events, and return a result.
See the Supported functions and syntax section for a quick reference list of the evaluation functions. You can use evaluation functions with the evalfieldformatand where commands, and as part of eval expressions with other commands. For most evaluation functions, when a string argument is expected, you can specify either a literal string or a field name. Literal strings must be enclosed in double quotation marks. In other words, when the function syntax specifies a string you can specify any expression that results in a string.
For example, you have a field called name which contains the names of your servers. You want to append the literal string server at the end of the name. In the following example, the cidrmatch function is used as the first argument in the if function. The following example shows how to use the true function to provide a default to the case function. The following table is a quick reference of the supported evaluation functions. This table lists the syntax and provides a brief description for each of the functions.
Use the links in the Type of function column for more details and examples. Topics: Statistical and charting functions. Commands: eval fieldformat where. Have questions? Visit Splunk Answers and search for a specific function or command.
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Feedback submitted, thanks! You must be logged into splunk.You can embed eval expressions and functions within any of the stats functions. This is a shorthand method for creating a search without using the eval command separately from the stats command. For example, the following search uses the eval command to filter for a specific error code. Then the stats function is used to count the distinct IP addresses. As an alternative, you can embed an eval expression using eval functions in a stats function directly to return the same results.
For example:. This example uses eval expressions to specify the different field values for the stats command to count. Find out how much of the email in your organization comes from. Was this documentation topic helpful? Please select Yes No. Please specify the reason Please select The topic did not answer my question s I found an error I did not like the topic organization Other.
Enter your email address, and someone from the documentation team will respond to you:. Feedback submitted, thanks! You must be logged into splunk. Log in now. Please try to keep this discussion focused on the content covered in this documentation topic. If you have a more general question about Splunk functionality or are experiencing a difficulty with Splunk, consider posting a question to Splunkbase Answers. Version 6. Toggle navigation Search Manual. Search Overview.
Using the Search App. Search Primer. Optimizing Searches. About search optimization Quick tips for optimization Write better searches Built-in optimization Search normalization. Retrieve Events.Mobile addiction ppt download
About retrieving events Use fields to retrieve events Event sampling Retrieve events from indexes Search across one or more distributed search peers Classify and group similar events Use the timeline to investigate events Drill down on event details Identify event patterns with the Patterns tab Preview events.The where command uses eval-expressions to filter search results.
These eval-expressions must be Boolean expressions, where the expression returns either true or false. The where command returns only the results for which the eval expression returns true.Tool all in one amazfit
This expression is a field name equal to a string value. Because the field starts with a numeric it must be enclosed in single quotations.
Because the value is a string, it must be enclosed in double quotations. This expression could be interpreted as a mathematical equation, where the dash is interpreted as a minus sign. To avoid this, you must enclose the field name server-1 in single quotation marks. There are two issues with this example. First, server- could be interpreted as a field name or as part of a mathematical equation, that uses a minus sign and a plus sign.
To ensure that server- is interpreted as a literal string, enclose the string in double quotation marks. The where command is a distributable streaming command. See Command types. The where command uses the same expression syntax as the eval command. Also, both commands interpret quoted strings as literals.
If the string is not quoted, it is treated as a field name. Because of this, you can use the where command to compare two different fields, which you cannot use the search command to do.
This evaluation order is different than the order used with the search command. You can only specify a wildcard by using the like function with the where command.
See the like evaluation function. You can use a wide range of functions with the where command. For general information about using functions, see Evaluation functions. The following table lists the supported functions by type of function. Use the links in the table to learn more about each function, and to see examples.
You can only specify a wildcard with the where command by using the like function. Have questions? Visit Splunk Answers and see what questions and answers the Splunk community has using the where command. Was this documentation topic helpful? Please select Yes No. Please specify the reason Please select The topic did not answer my question s I found an error I did not like the topic organization Other. Enter your email address, and someone from the documentation team will respond to you:.
Feedback submitted, thanks! You must be logged into splunk. Log in now. Please try to keep this discussion focused on the content covered in this documentation topic. If you have a more general question about Splunk functionality or are experiencing a difficulty with Splunk, consider posting a question to Splunkbase Answers.
Version 6. Toggle navigation Search Reference.The following list contains the functions that you can use to compare values or specify conditional statements. For information about using string and numeric fields in functions, and nesting functions, see Evaluation functions. Accepts alternating conditions and values. Returns the first value for which the condition evaluates to TRUE. This function takes pairs of arguments X and Y. The X arguments are Boolean expressions that are evaluated from first to last.
The function defaults to NULL if none are true. You can use this function with the evalfieldformatand where commands, and as part of eval expressions.
For an example of how to display a default value when that status does not match one of the values specified, see the True function.
Smooth operator | Searching for multiple field values
This example shows you how to use the case function in two different ways, to create categories and to create a custom sort order. You want classify earthquakes based on depth. Shallow-focus earthquakes occur at depths less than 70 km. Mid-focus earthquakes occur at depths between 70 and km. Deep-focus earthquakes occur at depths greater than km. We'll use Low, Mid, and Deep for the category names. The eval command is used to create a field called Descriptionwhich takes the value of "Low", "Mid", or "Deep" based on the Depth of the earthquake.
The case function is used to specify which ranges of the depth fits each description. For example, if the depth is less than 70 km, the earthquake is characterized as a shallow-focus quake; and the resulting Description is Low.
The search also pipes the results of the eval command into the stats command to count the number of earthquakes and display the minimum and maximum magnitudes for each Description. You can sort the results in the Description column by clicking the sort icon in Splunk Web. You can also use the case function to sort the results in a custom order, such as Low, Mid, Deep. You create the custom sort order by giving the values a numerical ranking and then sorting based on that ranking.
Use this function to determine if an IP address belongs to a particular subnet. Both X and Y are string arguments. X is the CIDR subnet. Y is the IP address to match with the subnet. This function is compatible with IPv6. The following example uses the cidrmatch and if functions to set a field, isLocalto "local" if the field ip matches the subnet. If the ip field does not match the subnet, the isLocal field is set to "not local". The following example uses the cidrmatch function as a filter to remove events that do not match the ip address:.
This function takes an arbitrary number of arguments and returns the first value that is not NULL. You have a set of events where the IP address is extracted to either clientip or ipaddress. This example defines a new field called ipthat takes the value of either the clientip field or ipaddress field, depending on which field is not NULL does not exist in that event.I want to divide AverageCount by AverageTotal.
The problem is that Average count is separated by Sourcetype and Average Total is separated by a Field. For example:. Is there a way that I can use an eval statement by specifying with an if statement what site to relate the average to.
I was thinking:. Thank you for your answer. Should I still use the subsearch? I have not been able to solve the question. I keep trying to work around it and see if there is something missing, but it has not worked out yet. Sign In. Turn on suggestions. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Showing results for.Movement in my mattress
Search instead for. Did you mean:. Splunk Search. Ask a Question. Tags 2. Tags: eval. All forum topics Previous Topic Next Topic. Hello, Thank you for your answer.Splunk Websites Terms and Conditions of Use. Remove benign warning messages when untarring the.
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