Contents
Which command is used to display the content of file in Unix?
cat command
You can display the contents of a file using the cat command, which stands for concatenate. Let’s say we have a file on our Desktop called myFile.
What is the command used to get the content in a file?
You can also use the cat command to display the contents of one or more files on your screen. Combining the cat command with the pg command allows you to read the contents of a file one full screen at a time. You can also display the contents of files by using input and output redirection.
How is shell script used to read a file?
IFS is nothing but an internal field separator which is used with while loop to split the words and line based on its value. IFS is mostly used when one reads a file by backslash escape omission. How Shell Script Reads File? There are essentially 3 different kinds of file read which is widely used in the industry.
How to change content in a shell script?
I want to change this content when ever needed through a shell script and save the file. Changed content can look like: How can i achieve this using shell script by taking user input or otherwise? Where $1,$2 and $3 are the arguments passed to the script.
How to change the contents of a file in Linux?
In addition to the solutions above, you should watch out for the escape characters in the text you replacing. For example, if you replacing something like /home/user/ then you will not get the result that you would like to get. To solve this problem you can change the delimiter from / to |. See the code sample below.
How can I change the contents of a file?
This command can also be used for modifying the data. In addition to the solutions above, you should watch out for the escape characters in the text you replacing. For example, if you replacing something like /home/user/ then you will not get the result that you would like to get.