How do you read a file and write to another file in shell script?

How do you read a file and write to another file in shell script?

Reading File Content Using Script

1. #!/bin/bash.
2. file=’read_file.txt’
3. i=1.
4. while read line; do.
5. #Reading each line.
6. echo “Line No. $ i : $line”
7. i=$((i+1))
8. done < $file.

How do you write data into a file in shell script?

Bash Script

1. #!/bin/bash.
2. #Script to write the output into a file.
3. #Create output file, override if already present.
4. output=output_file.txt.
5. echo “<<>>” | tee -a $output.
6. #Write data to a file.
7. ls | tee $output.
8. echo | tee -a $output.

Is there a shell script to read from a file?

We will simply read from the user input the path to the file or the file name if the file is in the same directory. We are using the read command to input the file path also we are making use of -p argument to pass in a prompt to the user as a text message giving concise information before the user actually types in anything.

How to read input data and write another file?

Show Threads . Show Posts i have doubt in read and write using bash shell script… Here i need to read the input data then write that data to output file.. You can use the following code. Thanks… need one more help… i want to write the 2nd line only to output file…

How to send output to a file in PowerShell?

You type a command – PowerShell gives you the output it thinks you want. If the default output is not what you need, use the formatting cmdlets like Format-Table and Format-List to get what you want. But sometimes, what you want is getting output to a file, not to the console.

How to read line by line and write in another file?

I want to read each line of this file and write it to another file called “test_file2”. Both of these files are in the same directory. #!/bin/sh # My first Script echo “Hello World!”