What is grunt shell in pig?

Grunt is Pig’s interactive shell. It enables users to enter Pig Latin interactively and provides a shell for users to interact with HDFS. To enter Grunt, invoke Pig with no script or command to run.

Which command is used to run a pig script that can interact with the grunt shell interactive mode?

run command
Use the run command to run a Pig script that can interact with the Grunt shell (interactive mode).

How is invoking the grunt shell?

i. we can invoke any shell commands from the Grunt shell, using the sh command. But make sure, we cannot execute the commands that are a part of the shell environment (ex − cd), using the sh command. By using the sh option, we can invoke the ls command of Linux shell from the Grunt shell.

How do you start a pig grunt shell?

First, copy the /etc/passwd file to your local working directory. Next, invoke the Grunt shell by typing the “pig” command (in local or hadoop mode). Then, enter the Pig Latin statements interactively at the grunt prompt (be sure to include the semicolon after each statement).

What is a grunt shell?

Grunt shell is a shell command. The Grunts shell of Apace pig is mainly used to write pig Latin scripts. Pig script can be executed with grunt shell which is native shell provided by Apache pig to execute pig queries. We can invoke shell commands using sh and fs. Syntax of sh command: grunt> sh ls.

What is the use of pig command explain?

Pig is extensible, self-optimizing, and easily programmed. Programmers can use Pig to write data transformations without knowing Java. Pig uses both structured and unstructured data as input to perform analytics and uses HDFS to store the results.

How do users interact with the shell in Apache Pig?

9) How do users interact with the shell in Apache Pig? This is where PigLatin scripts can be run either in local mode or in cluster mode by setting the configuration in PIG_CLASSPATH. To exit from grunt shell, press CTRL+D or just type exit.

Which of the command is used to run Pig script in grunt shell all of the options run fetch declare?

You can use exec or run command to execute the pig script using the grunt shell.

Which among the following commands is used to show values to keys used in pig?

set command
The set command is used to show/assign values to keys used in Pig.

What are the pig commands?

Pig Commands

Does Pig support multi line commands?

9. Does Pig support multi-line commands? Yes, pig supports both single line and multi-line commands. In single line command it executes the data, but it doesn’t store in the file system, but in multiple lines commands it stores the data into ‘/output’;/* , so it can store the data in HDFS.