Pipes, Grep, Sort Commands: Linux Tutorial 9

Click on the time points below to view different sections!

0:07 What are Pipes in Linux?
1:12 'pg' and 'More' commands with example
1:38 The 'grep' Command with example
3:05 The 'sort' Command with example
5:23 Summary

What is a Pipe in Linux?
The Pipe is a command in Linux that lets you use two or more commands such that output of one command serves as input to the next. The symbol is '|'

What is grep in Linux?
If you want to search a particular information the postal code from a text file you can use grep command on command line.
Syntax - grep search_string

What is sort command in Linux?
This command helps in sorting out the contents of a file alphabetically.
Syntax - sort Filename

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Guru99

[dvgdzga]

OMG so helpful. My professor could not even come close to how you taught this. WOW. THANKS!

[QueerBiNatureNYC]

Thank You! I was so confused by the "pipe" command until now

[cornlow]

Very clear and simple. I like the your style in explaining the subject.

[TheGodlessGuitarist]

According to Kernigan the principle advantage of piping is that you don't end up with large intermediate files between commands. Each result is piped into the next command immediately for example the each entry in a directory from using ls (list) can be piped to another command immediately without having to wait for the whole directory inquiry to complete or be stored to file to input to the next command.

[mjc.]

Hello Guru, it's amazing tutorial. Thanks

[abhijithsubash]

This is really easy and informative lecturette. Thank you Guru

[MyGardenNewsForYou]

Your tutorial is good but please remove the music which is not letting me to put concentration on the tutorial, Tnx

[trentarmstrong]

Thank you!  Very concise, with just the necessary information.  But please turn the music down.  

[poonamsaraogi]

very expressive lecture with details .. loved it...

[jazzyg]

Thanks a bunch!!!! Was having trouble using multiple commands with pipelines specifically: cat fruits | grep -v a | sort -r

[football]

Very good.Keep up such a simple explanations.You just owned subscriber and like :)

[johnNYgoesLA]

I needed to learn about grep, I came back for the music <3

[raytry]

To be exact, the -i is for "--ignore-case: Ignore case distinctions in both the PATTERN and the input files."

[renethomas]

A very clear and well-presented lesson

[nasroseblogs]

What is function of grep -v a i cant understand its lists a name strings or all one

[salexkorsan]

I need help,
I want to sort in bash file,
Example....

a="10"
b="100"
C="1000"

I want to sort this
$a $b $c

How to sort ?? Please tell me!

[vipulberiwal]

error and fruits are the random files. I am trying to redirect the lines which do not contain small 'a' and want to sort if in reverse order. However, the command is not working

NOT WORKING - cat fruits | grep -v a > error | sort -r error
WORKING - cat fruits | grep -v a | sort -r > error

WHY ?? @GURU99

[Bodyskillz]

the grep command can display the results too without the cat command

[classcyber]

ply do video its very important. i have to request so i want to how to installing samba and installing with linux
thank you...

[TheJoseppa]

You don't pipe cat in to less or grep if you have only one file.