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Bash Shell Scripting Tutorial | Shell Scripting Tutorial | Learn Shell Programming

admin by admin
May 22, 2020
in Lập Trình Linux
41
Bash Shell Scripting Tutorial | Shell Scripting Tutorial | Learn Shell Programming



For more detailed Tutorial visit –

A shell script is a computer program designed to be run by the Unix shell, a command-line interpreter. The various dialects of shell scripts are considered to be scripting languages. A shell usually interprets a single line of input, but we can also create a file containing a number of lines of commands to be interpreted. This file is a program known as a shell script. The program can also contain control structures (if-then, loops). Shell scripts allow a sequence of commands to be executed automatically . Shell Scripting tutorial is designed to help beginners and professionals.

00:00:00 1 – Introduction
00:10:00 2 – using Variables and Comments
00:20:11 3 – Read User Input
00:31:37 4 – Pass Arguments to a Bash-Script
00:40:08 5 – If Statement ( If then , If then else, If elif else)
00:53:20 6 – File test operators
01:03:45 7 – How to append output to the end of text file
01:14:26 8 – Logical ‘AND’ Operator
01:21:01 9 – Logical ‘OR’ Operator
01:26:35 10 – Perform arithmetic operations
01:33:51 11 – Floating point math operations in bash | bc Command
01:46:06 12 – The case statement
01:53:53 13 – The case statement Example
02:02:26 14 – Array variables
02:12:51 15 – WHILE Loops
02:19:07 16 – using sleep and open terminal with WHILE Loops
02:23:59 17 – Read a file content in Bash
02:31:15 18 – UNTIL loop
02:35:38 19 – FOR loop
02:44:08 20 – use FOR loop to execute commands
02:50:44 21 – Select loop
02:57:41 22 – Break and continue
03:04:11 23 – Functions
03:13:48 24 – Local variables
03:22:09 25 – Function Example
03:34:16 26 – Readonly command
03:41:34 27 – Signals and Traps
04:03:08 28 – How to debug a bash script

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Comments 41

  1. ProgrammingKnowledge says:
    2 years ago

    For more detailed Tutorial visit – http://www.codebind.com/
    00:00:00 1 – Introduction
    00:10:00 2 – using Variables and Comments
    00:20:11 3 – Read User Input
    00:31:37 4 – Pass Arguments to a Bash-Script
    00:40:08 5 – If Statement ( If then , If then else, If elif else)
    00:53:20 6 – File test operators
    01:03:45 7 – How to append output to the end of text file
    01:14:26 8 – Logical 'AND' Operator
    01:21:01 9 – Logical 'OR' Operator
    01:26:35 10 – Perform arithmetic operations
    01:33:51 11 – Floating point math operations in bash | bc Command
    01:46:06 12 – The case statement
    01:53:53 13 – The case statement Example
    02:02:26 14 – Array variables
    02:12:51 15 – WHILE Loops
    02:19:07 16 – using sleep and open terminal with WHILE Loops
    02:23:59 17 – Read a file content in Bash
    02:31:15 18 – UNTIL loop
    02:35:38 19 – FOR loop
    02:44:08 20 – use FOR loop to execute commands
    02:50:44 21 – Select loop
    02:57:41 22 – Break and continue
    03:04:11 23 – Functions
    03:13:48 24 – Local variables
    03:22:09 25 – Function Example
    03:34:16 26 – Readonly command
    03:41:34 27 – Signals and Traps
    04:03:08 28 – How to debug a bash script

    Reply
  2. manjyot says:
    2 years ago

    gotta unblock the ad blocker for this page 😉

    Reply
  3. Debasish Kar says:
    2 years ago

    Very nicely explained the reason of each line with its effect ….

    Reply
  4. saikrishna reddy says:
    2 years ago

    Thank you so much learnt a lot

    Reply
  5. Fathima Syed says:
    2 years ago

    Really appreciate ur effort in explaining here … Great Job !! Thank you so very much 🙂

    Reply
  6. Parag Raut says:
    2 years ago

    Superb , clean and clear way , Thank you 🙂

    Reply
  7. Suresh Kumar says:
    2 years ago

    Excellent learnt shell because of you.Finally completed.credits goes to you man.keep up the good..really appreciate.

    Reply
  8. raghunath behera says:
    2 years ago

    Sar greate thanks for this video from bottom of my hart

    Reply
  9. Sunil Kumar Kushawaha says:
    2 years ago

    Dear sir..
    How to open both terminal like your screen at simultaneously….. Please reply me.

    Reply
  10. Bour Abdelmadjid says:
    2 years ago

    -s checks if the file is not empty

    Reply
  11. Ksp says:
    2 years ago

    [ [ $# -eq 0 ]] && usage
    why this get executed even when bracket 's condition is true i.e 1 ????

    Reply
  12. Ksp says:
    2 years ago

    awesome content thanks a lot man.

    Reply
  13. Joy Sarkar says:
    2 years ago

    27:30 why does the echo prints in same line. I mean before it printed on a different line, then why does it prints the username with password.

    Reply
  14. Osman Qamar says:
    2 years ago

    Thanks for posting this video!

    Reply
  15. DEVA Dev says:
    2 years ago

    Thank you very much very usefull info by u n finally I subscribed and liked:) because of i gained knowledge here…
    now onwardds i know shell scripting…

    Reply
  16. CHANDRABRATA BISWAS says:
    2 years ago

    why does he clear the terminal by entering "claer" ?

    Reply
  17. Nils Melchert says:
    2 years ago

    Great Tutorial! Keep it up!

    Reply
  18. Sree Parvathy says:
    2 years ago

    Thank you for sharing your knowledge.

    I practice each and every section in my test machine as you explain. However, I find the comparison operator is not working for me.
    Any idea why is it so?

    [root@RHEL7encryption scripting]# cat ifelse1.sh

    #! /bin/bash

    count = 10

    if [ $count -eq 10 ]

    then

    echo "Condition is true"

    fi

    [root@RHEL7encryption scripting]#

    [root@RHEL7encryption scripting]#

    [root@RHEL7encryption scripting]# sh ifelse1.sh

    ifelse1.sh: line 3: count: command not found

    ifelse1.sh: line 4: [: -eq: unary operator expected

    [root@RHEL7encryption scripting]#

    Am I doing something wrong?

    Reply
  19. Anupam Nath says:
    2 years ago

    Thank you teacher 🙏

    Reply
  20. Shah Faisal Islam says:
    2 years ago

    I am extremely grateful to have watched your video.

    Next week will be my training on Openwrt, Firmware Development and Lua language, in the end of which my results will secure me a job. For this, I needed to know shell scripting, and due to bashism I was told by the interviewer to learn bash shell scripting.

    And today I have finished this video, and will go for the detailed tutorials on getting the job to give my best to it.

    Reply
  21. CosmicCitiZen says:
    2 years ago

    One last video before sleep 😂😴

    Reply
  22. sana khan says:
    2 years ago

    bina voice kay kuch samugh nhi aya

    Reply
  23. Amir Avraham says:
    2 years ago

    this is perfect.

    Reply
  24. Realthought says:
    2 years ago

    2:56 cant we add "exit" at the end , so when we make the entry like from " 1 ,2 ,3,4" after it will exit from the promt , instead of doing ctrl+c !!

    Reply
  25. Simply True says:
    2 years ago

    Thank you so much sir for this great series, much needed.

    Reply
  26. Rafał Kotas says:
    2 years ago

    Great course, highly recommend it!

    Reply
  27. selvamani K says:
    2 years ago

    Nice

    Reply
  28. deepthi somala says:
    2 years ago

    bash commands in rhel and linux are same

    Reply
  29. PrathapBgl says:
    2 years ago

    One of the best tutorials I have found. Very nice work and thanks a lot. It was long time I did the scripting and this tutorial help me refresh everything.

    Reply
  30. jagajeet tripathy says:
    2 years ago

    Suppose need to print 1 to 100 except 21 to 30 can you please share the script.

    Reply
  31. yağız yalçıntaş says:
    2 years ago

    Perfect explenation, subbed

    Reply
  32. Nikhil says:
    2 years ago

    Thanks a lot for making such sharing of valuable knowledge really helpful ,can you pls also make some videos on how to deal .
    Can you pls make same video for learning perl also really it will be more helpful 😀

    Reply
  33. Adi Panasa says:
    2 years ago

    Hi ,
    Amazing video , and very helpful thank you.

    Reply
  34. Mitesh Agrawal says:
    2 years ago

    Why read -sp works and not -ps?

    Reply
  35. Nithin Vg says:
    2 years ago

    amazing work … just the best in the web …

    Reply
  36. Hari Krishna says:
    2 years ago

    thank you very much sir……….i never seen this type of stuff for students

    Reply
  37. Iulian Alin Sterea says:
    2 years ago

    Hi, very good tutorial. I learned a lot. Please correct the explanation from 3:27:20 because is not right.

    Reply
  38. Vidon _ says:
    2 years ago

    i love you guy <3

    Reply
  39. Rupesh Rawat says:
    2 years ago

    Great

    Reply
  40. Jie Huang says:
    2 years ago

    good tutorial!

    Reply
  41. Rakshanda dhawan says:
    2 years ago

    ❤Thanks for making this video❤

    Reply

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