Linux-AWK/C2/Overview-of-Linux-AWK/English-timed

Time	Narration
00:01	Hello and welcome to the spoken tutorial on Overview of Linux AWK commands.
00:08	In this tutorial, we will learn about Linux AWK and the tutorials covered in the Linux AWK series.
00:17	To record this tutorial, I am using Ubuntu Linux 16.04 Operating System.
00:24	AWK is used for searching and extracting data from a file.
00:30	We can also manipulate the data and generate reports using AWK.
00:36	Like any programming language, AWK also has- variables, operators,
00:41	conditional Statements, Loops,
00:45	single and multi dimensional arrays, Built-in Functions and User Defined functions.
00:52	During the search process, a file will be treated as a sequence of records.
00:58	Each line will be considered as a single record with multiple fields.
01:04	Then AWK searches for the given pattern and performs the desired action.
01:11	Now, we will briefly go through some of the individual AWK tutorials in this series.
01:18	Basics of awk- This tutorial explains some basic operations in AWK like:
01:25	how to print the processed output and using regular expressions.
01:31	Let’s have a look at this tutorial.
	------------Add the audio (Basic of AWK from 04:09 to 04:15)---------------
01:43	Variables and Operators- Here, we will learn how to use: User defined variables,
01:51	Variable initialisation, Operators,
01:55	String Concatenation & matching operator, BEGIN and END statement in AWK.
02:03	Let’s have a look at this tutorial.
	----------Add the audio (Variables and Operators - 03:50 to 03:59 )-------------
02:16	Built-In variables-
02:18	This tutorial explains about the following built-in variables in AWK like:
02:24	RS, FS, ORS, OFS, NR, NF, ARGV, ARGC.
02:34	This tutorial also teaches how to write an AWK script.
02:39	Here is a glimpse of this tutorial.
	---------------Add the audio (Built-In variables -11:49 to 11:59 )------------
02:53	Conditional statements- In this tutorial, we will learn how to use the conditional statements like: If, else , else if in awk.
03:04	Let’s have a look at this tutorial.
	---------------Add the audio (Conditional statements -02:50 to 03:02 )------------
03:21	Loops- Here, we will discuss about Conditional loops in AWK like- for, while and do-while loop.
03:31	We will also learn search pattern using AWK,
03:35	process data from a single or multiple files.
03:40	Let’s take a look at this tutorial.
	---------------Add the audio (Loops in awk -04:06 to 04:14 )------------
03:53	Basics of Single Dimensional Array tutorial explains: assigning array elements,
03:59	refer the elements of an array, indexing AWK arrays,
04:04	advantage of associative array,
04:07	checking whether any element exists in an array at a certain index.
04:14	Here is a glimpse of this tutorial.
	---------------Add the audio (Basics of Single Dimensional Array - 03:10 to 03:22 )------------
04:30	This advanced level tutorial on Single dimensional array explains- using AWK array with file, scan the elements of an array ,
04:41	new variation of "for" loop, delete an array element,
04:47	delete the whole array,
04:50	values of ARGC and ARGV.
04:54	Let’s have a look at this tutorial.
	---------------Add the audio (More on Single Dimensional Array in awk from 04:59 to 05:09)------------
05:08	Multi Dimensional Array in AWK explains -
05:12	Identifying an element by a sequence of multiple indices,
05:17	Concatenated into a single string,
05:20	Create 2 by 2 multidimensional array in AWK,
05:24	Create the transpose of a 2 by 2 matrix,
05:28	scan the multidimensional array ,
05:31	combine the for loop with the split function.
05:35	Let’s take a look at this tutorial.
	---------------Add the audio (multidimensional array - 06:24 to 06:33 ) ------------
05:48	Built-in Functions- In this, we will learn about AWK built-in functions like: Arithmetic functions,
05:57	Random functions, String functions,
06:01	Input and Output functions and Timestamp functions.
06:07	Here is a glimpse of this tutorial.
	---------------Add the audio (Built-in Functions - from 10:01 to 10:14)------------
06:23	In User defined functions tutorial, we will learn - How to create our own function,
06:30	Function call, Return statement and Reverse function.
06:37	Here is a glimpse of this tutorial.
	---------------Add the audio (User defined functions -03:28 to 03:41 )------------
06:54	With this, we come to the end of this tutorial. Let us summarise.
07:00	In this tutorial, we learnt about AWK and went through the tutorials in this series.
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08:12	This is Praveen from IIT Bombay, signing off. Thank you for joining.

Contributors and Content Editors

PoojaMoolya, Sakinashaikh, Sandhya.np14