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Full Discussion: Writing hive scripts in bash script file
Top Forums Shell Programming and Scripting Writing hive scripts in bash script file Post 302899176 by shree11 on Monday 28th of April 2014 01:19:50 AM
Old 04-28-2014
Writing hive scripts in bash script file
Hi,

I wanted to load data from HDFS to HIVE by writing bash script.
Description:
I have written a bash script to validate the data and loaded validated data from local file system to HDFS. Now in the same bash script i wanted to load the data from HDFS to HIVE. How can i do it ? Also how tyhe hive shell is called when i excecute the bash script (.sh file)?
Below is the code i have written to load the data form local to hdfs.
Code:
#!/bin/bash
<code to validate the file on local>
hadoop fs -put /home/hduser/validate/badrec /user/hduser/Dataparse/
hadoop fs -put /home/hduser/validate/goodrec /user/hduser/Dataparse/

No i wanted to add the below hive create table statement and load statement in the same bash script file
Code:
create table GoodRecords(
id int,
name string,
state string,
phone_no int,
gender string) row format delimited fields terminated by ',' stored as textfile;

LOAD DATA INPATH '/user/hduser/Dataparse/goodrec' INTO TABLE GoodRecords;

Please suggest me how this can be done ?

Thanks,
Shree
 

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LEARN ABOUT PHP

libbash

LIBBASH(7)							  libbash Manual							LIBBASH(7)

NAME

     libbash -- A bash shared libraries package.

DESCRIPTION

     libbash  is  a package that enables bash dynamic-like shared libraries. Actually its a tool for managing bash scripts whose functions you may
     want to load and use in scripts of your own.

     It contains a 'dynamic loader' for the shared libraries ( ldbash(1)), a configuration tool (ldbashconfig(8)), and some libraries.

     Using ldbash(1) you are able to load loadable bash libraries, such as getopts(1) and hashstash(1).  A bash shared library that can be  loaded
     using
     ldbash(1) must answer 4 requirments:

     1.     It must be installed in $LIBBASH_PREFIX/lib/bash (default is /usr/lib/bash).

     2.     It must contain a line that begins with '#EXPORT='.  That line will contain (after the '=') a list of functions that the library
	    exports.  I.e. all the function that will be usable after loading that library will be listed in that line.

     3.     It must contain a line that begins with '#REQUIRE='.  That line will contain (after the '=') a list of bash libraries that are
	    required for our library.  I.e. every bash library that is in use in our bash library must be listed there.

     4.     The library must be listed (For more information, see ldbashconfig(8)).

   Basic guidelines for writing library of your own:
     1.     Be aware, that your library will be actually sourced. So, basically, it should contain (i.e define) only functions.

     2.     Try to declare all variables intended for internal use as local.

     3.     Global variables and functions that are intended for internal use (i.e are not defined in '#EXPORT=') should begin with:
		  __<library_name>_
	    For example, internal function myfoosort of hashstash library should be named as
		  __hashstash_myfoosort
	    This helps to avoid conflicts in global name space when using libraries that come from different vendors.

     4.     See html manual for full version of this guide.

AUTHORS

     Hai Zaar <haizaar@haizaar.com>
     Gil Ran <ril@ran4.net>

SEE ALSO

     ldbash(1), ldbashconfig(8), getopts(1), hashstash(1) colors(1) messages(1) urlcoding(1) locks(1)

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