I've user docker and installed ubuntu image.
@Prateeks-MacBook-Pro Bash-Mastery-The-Complete-Guide-to-Bash-Shell-Scripting % docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
4da6e0a48600 ubuntu:latest "bash" 3 days ago Up 23 hours jolly_mcnulty./our_first_script.sh
This is my first script
chmod 744 our_first_script.sh
la -l
total 3614184
-rwxr--r--@ 1 prateekashtikar staff 206 Nov 17 20:28 our_first_script.sh
chmod 777 our_first_script.sh
ls -l
total 3614184
-rwxrwxrwx@ 1 prateekashtikar staff 206 Nov 17 20:28 our_first_script.sh
vi backup_script. -> File is created and attached in the code
Run the backup+script couple of times
./backup_script.sh
^C
./backup_script.sh
^C
ls -l
ls -l
total 42939296
-rwxrwxrwx@ 1 prateekashtikar staff 249 Nov 17 20:40 backup_script.sh
-rw-r--r-- 1 prateekashtikar staff 18216253440 Nov 26 09:43 my_backup_26-11-2022_09-42-28.tar
-rw-r--r-- 1 prateekashtikar staff 1903636480 Nov 26 09:43 my_backup_26-11-2022_09-43-19.tar
-rwxrwxrwx@ 1 prateekashtikar staff 206 Nov 17 20:28 our_first_script.sh
prateekashtikar@Prateeks-MacBook-Pro Bash-Mastery-The-Complete-Guide-to-Bash-Shell-Scripting %
echo $PATH
/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/Apple/usr/bin:/Users/prats/confluent-7.0.1/bin:/Users/prats/Documents/Software/apache-maven-3.8.4/bin:/Users/prats/Documents/Software/gradle-7.3.3/bin:/Users/prats/Documents/Software/mongodb-macos-x86_64-5.0.5/bin:/Users/prats/Documents/Software/kafka_2.12-3.3.1/bin:/Library/PostgreSQL/11/bin
mkdir script
vi .zshrc
export PATH=$PATH:$CONFLUENT_HOME/bin:$MAVEN_HOME/bin:$GRADLE_HOME/bin:/Users/prats/Documents/Software/mongodb-macos-x86_64-5.0.5/bin:$KAFKA_HOME/bin:/Library/PostgreSQL/11/bin:/Users/prats/Documents/Prateek/Bash-Mastery-The-Complete-Guide-to-Bash-Shell-Scripting/scripts
echo $PATH
/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/Apple/usr/bin:/Users/prats/confluent-7.0.1/bin:/Users/prats/Documents/Software/apache-maven-3.8.4/bin:/Users/prats/Documents/Software/gradle-7.3.3/bin:/Users/prats/Documents/Software/mongodb-macos-x86_64-5.0.5/bin:/Users/prats/Documents/Software/kafka_2.12-3.3.1/bin:/Library/PostgreSQL/11/bin:/Users/prats/Documents/Prateek/Bash-Mastery-The-Complete-Guide-to-Bash-Shell-Scripting/scripts
./variable_practice.sh
Hello Sarah
Hello + Sarah
============
Dear John
The board I would like to thank you for the execellent work that you've done
Keep the good work John
Best Wishes,
Prateel, CEO- Shell Variable
echo "Hello $USER"
Hello prateekashtikar
echo HOSTTYPE
HOSTTYPE
echo $PS1
%n@%m %1~ %#
PS1="$: "
$: source ~/.bash_sessions - Parameter Expansion Trics
root@4da6e0a48600:/# name=PrAteEk
root@4da6e0a48600:/# echo $name
PrAteEk
root@4da6e0a48600:/# echo ${name}
PrAteEk
root@4da6e0a48600:/# echo ${name,}
prAteEk
root@4da6e0a48600:/# echo ${name,,}
prateek
root@4da6e0a48600:/# echo ${name^}
PrAteEk
root@4da6e0a48600:/# echo ${name^^}
PRATEEK
root@4da6e0a48600:/# echo ${#name}
7
root@4da6e0a48600:/#
root@4da6e0a48600:/# numbers=0123456789
root@4da6e0a48600:/# echo ${numbers:0:7}
0123456
root@4da6e0a48600:/# echo ${numbers:1:5}
12345
root@4da6e0a48600:/# echo ${numbers:3}
3456789
root@4da6e0a48600:/# echo ${numbers: -3,2}
23456789
root@4da6e0a48600:/# echo ${numbers: -3:2}
78
root@4da6e0a48600:/# echo ${numbers: -3}
789
root@4da6e0a48600:/# - command substitution
./substitution_script.sh
HELLO , the right time now is 05:11:41
26-11-2022_05-43-41
root@4da6e0a48600:/Prateek# ./command_substitution_script.sh
Hello,
I will now backup your home directory, /root
You're running your script from /Prateek
Therefore, I will save the backup in /Prateek
root@4da6e0a48600:/Prateek#
- Arithmatic Expression
root@4da6e0a48600:/Prateek# ./arithmatic_script.sh
6
9
-1
0
20
14
20
16
0
2
root@4da6e0a48600:/Prateek# - Dealing with decimal numbers
root@4da6e0a48600:/Prateek# bc
bc 1.07.1
Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006, 2008, 2012-2017 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'.
2+2
4
8*6
48
quit
root@4da6e0a48600:/Prateek#
root@4da6e0a48600:/Prateek# ./decimal_numbers.sh
2
2.50
2.5000000000
root@4da6e0a48600:/Prateek# - brace expansion
root@4da6e0a48600:/Prateek# ./brace_expansion.sh
a 19 z barry 42
jan feb mar apr may jun
1 2 3 4 5 6 7 8 9 10
10 9 8 7 6 5 4 3 2 1
a b c d e f g h i j k l m n o p q r s t u v w x y z
1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 97 100
x1 x2 x3 x4 x5 x6 x7 x8 x9 x10
month0 month1 month2 month3 month4 month5 month6 month7 month8 month9 month10 month11 month12
root@4da6e0a48600:/Prateek# root@4da6e0a48600:/Prateek# ./quoting.sh
john & jane
root@4da6e0a48600:/Prateek# - word splitting
root@4da6e0a48600:/Prateek# echo "${IFS@Q}"
$' \t\n'
root@4da6e0a48600:/Prateek#
mkdir word_splitting
cd word_splitting
numbers="1 2 3 4 5"
touch $numbers
ls
1 2 3 4 5
rm {1..5}
ls
touch "$numbers"
ls
'1 2 3 4 5'
numbers=1,2,3,4,5
touch $numbers
ls
1,2,3,4,5
IFS=","
touch $numbers
ls
1 1,2,3,4,5 2 3 4 5
rm {1..5}
rm 1,2,3,4,5 - globbing
touch file.txt
touch file123.txt
touch file{1..3}.txt
touch file{a..c}.txt
touch fileabc.txt
ls -l
total 0
-rw-r--r-- 1 root root 0 Nov 26 06:14 file.txt
-rw-r--r-- 1 root root 0 Nov 26 06:14 file1.txt
-rw-r--r-- 1 root root 0 Nov 26 06:14 file123.txt
-rw-r--r-- 1 root root 0 Nov 26 06:14 file2.txt
-rw-r--r-- 1 root root 0 Nov 26 06:14 file3.txt
-rw-r--r-- 1 root root 0 Nov 26 06:15 filea.txt
-rw-r--r-- 1 root root 0 Nov 26 06:15 fileb.txt
-rw-r--r-- 1 root root 0 Nov 26 06:15 filec.txt
touch report{1..3}.pdf
ls
file.txt file1.txt file123.txt file2.txt file3.txt filea.txt fileb.txt filec.txt report1.pdf report2.pdf report3.pdf
- Read Everthing
ls *
file.txt file1.txt file123.txt file2.txt file3.txt filea.txt fileb.txt filec.txt report1.pdf report2.pdf report3.pdf
ls *.txt
file.txt file1.txt file123.txt file2.txt file3.txt filea.txt fileb.txt filec.txt
ls *.pdf
report1.pdf report2.pdf report3.pdf
ls file*.txt
file.txt file1.txt file123.txt file2.txt file3.txt filea.txt fileb.txt filec.txt
ls file?.txt
file1.txt file2.txt file3.txt filea.txt fileb.txt filec.txt
ls file[ab].txt
filea.txt fileb.txt
ls file[abc][abc][abc].txt
fileabc.txt
ls file[a-g].txt
filea.txt fileb.txt filec.txt
ls file[0-9].txt
file1.txt file2.txt file3.txt
- Quote Removal
Note: if you want to remove literal quotes
- Redirection
vi hello.txt -> write Hello word! insight it.
cat < hello.txt
Hello world!
echo "this is some output" > output.txt
ls
hello.txt output.txt
cat output.txt
this is some outputvi positional_script.sh
#!/bin/bash
echo "My name is $1"
echo "My home directory is $2"
echo "My favourite colour is $3"
chmod 744 positional_script.sh
./positional_script.sh john $HOME blue
My name is john
My home directory is /root
My favourite colour is bluevi positional_script.sh
#!/bin/bash
echo "My name is $1"
echo "My home directory is $2"
echo "My favourite colour is $3"
echo "The 10th argument is ${10}"
echo "The 11th argument is ${11}"
./positional_script.sh a b c d e f g h i j k
My name is a
My home directory is b
My favourite colour is c
The 10th argument is j
The 11th argument is k
chmod 755 new_positional_script.sh
./new_positional_script.sh a b c d
My name is a
My home directory is b
My favourite colour is c
The 10th argument is
The 11th argument is a1
4vi special.sh
chmod 744 special.sh
./special.sh 1 2 3
1 2 3
./special.sh 1 2 3 4
1 2 3 4
./special.sh 1 2 3 4 5
1 2 3 4 5
./special2.sh 1 2 3
-rw-r--r-- 1 root root 0 Nov 26 07:10 3
-rw-r--r-- 1 root root 0 Nov 26 07:10 2
-rw-r--r-- 1 root root 0 Nov 26 07:10 1
-rwxr-xr-x 1 root root 21 Nov 26 07:11 special2.sh
/special2.sh "daily feedback" "monthly report"
root@4da6e0a48600:/Prateek# ls -la
total 20
drwxr-xr-x 4 root root 4096 Nov 26 07:15 .
drwxr-xr-x 1 root root 4096 Nov 22 07:03 ..
-rw-r--r-- 1 root root 0 Nov 26 07:15 daily
-rw-r--r-- 1 root root 0 Nov 26 07:15 feedback
-rw-r--r-- 1 root root 0 Nov 26 07:15 monthly
-rw-r--r-- 1 root root 0 Nov 26 07:15 report
-rwxr-xr-x 1 root root 22 Nov 26 07:14 special2.sh./special3.sh "daily feedback" "monthly report"
ls -la
total 12
drwxr-xr-x 2 root root 4096 Nov 26 07:22 .
drwxr-xr-x 1 root root 4096 Nov 22 07:03 ..
-rw-r--r-- 1 root root 0 Nov 26 07:22 'daily feedback'
-rw-r--r-- 1 root root 0 Nov 26 07:22 'monthly report'
-rwxr-xr-x 1 root root 24 Nov 26 07:22 special3.shchmod +x spcial4.sh
./spcial4.sh 1 2 3
1,2,3
root@4da6e0a48600:/Prateek# vi calculator2.sh
root@4da6e0a48600:/Prateek# chmod +x calculator2.sh
root@4da6e0a48600:/Prateek# ./calculator2.sh 1+2+3
6
root@4da6e0a48600:/Prateek# ./calculator2.sh 1*2*3*4
24
root@4da6e0a48600:/Prateek# echo $REPLY
root@4da6e0a48600:/Prateek# read
hello
root@4da6e0a48600:/Prateek# echo $REPLY
hello
root@4da6e0a48600:/Prateek#
read input1 input2
hello goodbye
root@4da6e0a48600:/Prateek# echo $input1
hello
root@4da6e0a48600:/Prateek# echo $input2
goodbye./read.sh
Prateek 33 London
My name is Prateek
I am 33
I am from London
root@4da6e0a48600:/Prateek# vi read2.sh
root@4da6e0a48600:/Prateek# chmod 744 read2.sh
root@4da6e0a48600:/Prateek# ./read2.sh
Input your first name : Jane
Input your age : 30
Input the town you are from: Chicago./read3.sh
Input your first name : Input your age : Input the town you are from:
My name is Jane
I am 22
I am from Pune
root@4da6e0a48600:/Prateek#
cat extensions.csv
John,Doe,0001,1234
chmod +x select.sh
./select.sh
1) mon
2) tue
3) wed
4) thu
5) fri
6) sat
7) sau
#? 3
# The day of the week is wed
./extensions2.sh
What is your first name?: Prateek
What is your surname/family name?: Dekate
1) headset
2) handheld
What type of phone do you have?: 2
You chose handheld
1) finance
2) sales
3) engineering
4) customer service
What department do you work in?: 3
You chose engineering
What is your extension? (must be 4 digits): 2222
What access code would you like to use when dialling in (must be 4 digits)?:
root@4da6e0a48600:/Prateek# cat extensions.csv
Prateek,Dekate,handheld,engineering,2222,1234root@4da6e0a48600:/Prateek# echo 123 && echo 456
123
456
root@4da6e0a48600:/Prateek# echo 123 || echo 456
123
root@4da6e0a48600:/Prateek# ls some_directory && echo 456
ls: cannot access 'some_directory': No such file or directory
ls some_directory || echo 456
ls: cannot access 'some_directory': No such file or directory
456
- Test commands and Test Operators
vi conditional_operators.sh
#!/bin/bash
echo "[[ 2 -eq 2 ]]"
[[ 2 -eq 2 ]]; echo $?
echo "-----------------------"
echo "[[ 1 -eq 2 ]]"
[[ 1 -eq 2 ]]; echo $?
echo "--------------"
echo "[[ 1 -ne 2 ]]"
[[ 1 -ne 2 ]]; echo $?
echo "---------------"
echo "[[ 2 -ne 2 ]]"
[[ 2 -ne 2 ]]; echo $?
echo "----------------"
aa=hello
b=goodbye
[[ $a = $b ]] ; echo $?
./if_combine.sh
Files do not match
********
root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 1
you've entered a single digit number
root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 12
you've entered a two digit number
root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 123
you've entered a three digit number
root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 4444
you've entered no. more than three digits
root@4da6e0a48600:/Prateek# root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 1
you've entered a single digit number
root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 12
you've entered a two digit number
root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 123
you've entered a three digit number
root@4da6e0a48600:/Prateek# ./case_script.sh
Please enter a number: 4444
you've entered no. more than three digits
root@4da6e0a48600:/Prateek# ./city_checker.sh
1) Tokyo 4) Moscow 7) New York 10) Johannesburg 13) Abu Dhabi 16) Berlin
2) London 5) Dubai 8) Paris 11) Istanbul 14) Pune 17) Karachi
3) Los Angeles 6) Manchester 9) Bangalore 12) Milan 15) Nairobi 18) Madrid
#? 1
Tokyo is in Japan
- working with indexed value
root@4da6e0a48600:/Prateek# numbers=(1 2 3 4)
root@4da6e0a48600:/Prateek# echo $numbers
1
root@4da6e0a48600:/Prateek# echo ${numbers[2]}
3
root@4da6e0a48600:/Prateek# echo ${numbers[@]}
1 2 3 4
root@4da6e0a48600:/Prateek# echo ${numbers[@]:1}
2 3 4
root@4da6e0a48600:/Prateek# echo ${numbers[@]:1:2}
2 3
root@4da6e0a48600:/Prateek# numbers+=(5)
root@4da6e0a48600:/Prateek# echo ${numbers[@]}
1 2 3 4 5
root@4da6e0a48600:/Prateek# unset numbers[2]
root@4da6e0a48600:/Prateek# echo ${numbers[@]}
1 2 4 5
root@4da6e0a48600:/Prateek# echo ${!numbers[@]}
0 1 3 4
root@4da6e0a48600:/Prateek# numbers[0]=b
root@4da6e0a48600:/Prateek# echo ${numbers[@]}
b 2 4 5root@4da6e0a48600:/Prateek# vi days.txt
root@4da6e0a48600:/Prateek# cat days.txt
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
root@4da6e0a48600:/Prateek# readarray days < days.txt
root@4da6e0a48600:/Prateek# echo ${days[@]}
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
root@4da6e0a48600:/Prateek# echo ${!days[@]}
0 1 2 3 4 5 6 7
root@4da6e0a48600:/Prateek# echo ${days[@]@Q}
$'Monday\n' $'Tuesday\n' $'Wednesday\n' $'Thursday\n' $'Friday\n' $'Saturday\n' $'Sunday\n' $'\n'
root@4da6e0a48600:/Prateek# readarray -t days < days.txt
root@4da6e0a48600:/Prateek# echo ${days[@]@Q}
'Monday' 'Tuesday' 'Wednesday' 'Thursday' 'Friday' 'Saturday' 'Sunday' ''
touch file{001..100}.txt
readarray files < <(ls /Prateek/array)
echo ${files[@]}
file001.txt file002.txt file003.txt file004.txt file005.txt file006.txt file007.txt file008.txt file009.txt file010.txt file011.txt file012.txt file013.txt file014.txt file015.txt file016.txt file017.txt file018.txt file019.txt file020.txt file021.txt file022.txt file023.txt file024.txt file025.txt file026.txt file027.txt file028.txt file029.txt file030.txt file031.txt file032.txt file033.txt file034.txt file035.txt file036.txt file037.txt file038.txt file039.txt file040.txt file041.txt file042.txt file043.txt file044.txt file045.txt file046.txt file047.txt file048.txt file049.txt file050.txt file051.txt file052.txt file053.txt file054.txt file055.txt file056.txt file057.txt file058.txt file059.txt file060.txt file061.txt file062.txt file063.txt file064.txt file065.txt file066.txt file067.txt file068.txt file069.txt file070.txt file071.txt file072.txt file073.txt file074.txt file075.txt file076.txt file077.txt file078.txt file079.txt file080.txt file081.txt file082.txt file083.txt file084.txt file085.txt file086.txt file087.txt file088.txt file089.txt file090.txt file091.txt file092.txt file093.txt file094.txt file095.txt file096.txt file097.txt file098.txt file099.txt file100.txt
root@4da6e0a48600:/Prateek/array# echo ${!files[@]}
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
echo ${files[@]@Q}
$'file001.txt\n' $'file002.txt\n' $'file003.txt\n' $'file004.txt\n' $'file005.txt\n' $'file006.txt\n' $'file007.txt\n' $'file008.txt\n' $'file009.txt\n' $'file010.txt\n' $'file011.txt\n' $'file012.txt\n' $'file013.txt\n' $'file014.txt\n' $'file015.txt\n' $'file016.txt\n' $'file017.txt\n' $'file018.txt\n' $'file019.txt\n' $'file020.txt\n' $'file021.txt\n' $'file022.txt\n' $'file023.txt\n' $'file024.txt\n' $'file025.txt\n' $'file026.txt\n' $'file027.txt\n' $'file028.txt\n' $'file029.txt\n' $'file030.txt\n' $'file031.txt\n' $'file032.txt\n' $'file033.txt\n' $'file034.txt\n' $'file035.txt\n' $'file036.txt\n' $'file037.txt\n' $'file038.txt\n' $'file039.txt\n' $'file040.txt\n' $'file041.txt\n' $'file042.txt\n' $'file043.txt\n' $'file044.txt\n' $'file045.txt\n' $'file046.txt\n' $'file047.txt\n' $'file048.txt\n' $'file049.txt\n' $'file050.txt\n' $'file051.txt\n' $'file052.txt\n' $'file053.txt\n' $'file054.txt\n' $'file055.txt\n' $'file056.txt\n' $'file057.txt\n' $'file058.txt\n' $'file059.txt\n' $'file060.txt\n' $'file061.txt\n' $'file062.txt\n' $'file063.txt\n' $'file064.txt\n' $'file065.txt\n' $'file066.txt\n' $'file067.txt\n' $'file068.txt\n' $'file069.txt\n' $'file070.txt\n' $'file071.txt\n' $'file072.txt\n' $'file073.txt\n' $'file074.txt\n' $'file075.txt\n' $'file076.txt\n' $'file077.txt\n' $'file078.txt\n' $'file079.txt\n' $'file080.txt\n' $'file081.txt\n' $'file082.txt\n' $'file083.txt\n' $'file084.txt\n' $'file085.txt\n' $'file086.txt\n' $'file087.txt\n' $'file088.txt\n' $'file089.txt\n' $'file090.txt\n' $'file091.txt\n' $'file092.txt\n' $'file093.txt\n' $'file094.txt\n' $'file095.txt\n' $'file096.txt\n' $'file097.txt\n' $'file098.txt\n' $'file099.txt\n' $'file100.txt\n'
readarray -t files < <(ls /Prateek/array)
root@4da6e0a48600:/Prateek/array# echo ${files[@]@Q}
'file001.txt' 'file002.txt' 'file003.txt' 'file004.txt' 'file005.txt' 'file006.txt' 'file007.txt' 'file008.txt' 'file009.txt' 'file010.txt' 'file011.txt' 'file012.txt' 'file013.txt' 'file014.txt' 'file015.txt' 'file016.txt' 'file017.txt' 'file018.txt' 'file019.txt' 'file020.txt' 'file021.txt' 'file022.txt' 'file023.txt' 'file024.txt' 'file025.txt' 'file026.txt' 'file027.txt' 'file028.txt' 'file029.txt' 'file030.txt' 'file031.txt' 'file032.txt' 'file033.txt' 'file034.txt' 'file035.txt' 'file036.txt' 'file037.txt' 'file038.txt' 'file039.txt' 'file040.txt' 'file041.txt' 'file042.txt' 'file043.txt' 'file044.txt' 'file045.txt' 'file046.txt' 'file047.txt' 'file048.txt' 'file049.txt' 'file050.txt' 'file051.txt' 'file052.txt' 'file053.txt' 'file054.txt' 'file055.txt' 'file056.txt' 'file057.txt' 'file058.txt' 'file059.txt' 'file060.txt' 'file061.txt' 'file062.txt' 'file063.txt' 'file064.txt' 'file065.txt' 'file066.txt' 'file067.txt' 'file068.txt' 'file069.txt' 'file070.txt' 'file071.txt' 'file072.txt' 'file073.txt' 'file074.txt' 'file075.txt' 'file076.txt' 'file077.txt' 'file078.txt' 'file079.txt' 'file080.txt' 'file081.txt' 'file082.txt' 'file083.txt' 'file084.txt' 'file085.txt' 'file086.txt' 'file087.txt' 'file088.txt' 'file089.txt' 'file090.txt' 'file091.txt' 'file092.txt' 'file093.txt' 'file094.txt' 'file095.txt' 'file096.txt' 'file097.txt' 'file098.txt' 'file099.txt' 'file100.txt'
root@4da6e0a48600:/Prateek/array# ./file_creator.sh
root@4da6e0a48600:/Prateek/array# la -l
total 8
-rwxr-xr-x 1 root root 97 Nov 27 16:13 file_creator.sh
-rw-r--r-- 1 root root 60 Nov 27 16:14 files.txt
-rw-r--r-- 1 root root 0 Nov 27 16:14 report1.txt
-rw-r--r-- 1 root root 0 Nov 27 16:14 report2.txt
-rw-r--r-- 1 root root 0 Nov 27 16:14 report3.txt
-rw-r--r-- 1 root root 0 Nov 27 16:14 report4.txt
-rw-r--r-- 1 root root 0 Nov 27 16:14 report5.txt
root@4da6e0a48600:/Prateek/array#
root@4da6e0a48600:/Prateek/array# ./file_creator.sh
report1.txt already exists
report2.txt already exists
report3.txt already exists
report4.txt already exists
report5.txt already exists
root@4da6e0a48600:/Prateek/array#
./array_project.sh
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 226 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 8 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 185 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 1020 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0cat udemy.txt
HTTP/1.1 301 Moved Permanently
Date: Sun, 27 Nov 2022 04:44:15 GMT
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Sun, 27 Nov 2022 05:44:15 GMT
Location: https://www.udemy.com/
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X-Content-Type-Options: nosniff
Set-Cookie: __cfruid=43f8badf0f0461094b76db53274aeebc96282287-1669524255; path=/; domain=.udemy.com; HttpOnly
Server: cloudflare
CF-RAY: 77083523fa632e4d-BOM