You may have some requirement wherein you have to cut a row or get some output from a file and append it to another file as a prefix or suffix. or you know that you
In my last articles I had shared the arguments with sed which can be used to perform case insensitive actions (search, replace..) in a file and to delete all blank lines from the file. Now
By default when we perform search and replace action using sed, that is done globally within a file. Although if you have a line number you can perform the replace based on the line number
Here our requirement is to remove all the blank lines from a file. Our sample file [root@golinuxhub ~]# cat /tmp/file This is line one This is line two This is line three This is line
In this article I will show you different ways to perform an action (as per your requirement) ignoring the case of the letters to be searched in a file Below is our sample file #
In this article I will show you various sed expressions which can be used and combined to print or delete specific line from a file IMPORTANT NOTE: My examples provided are only to print the
Here our requirement is to remove all the whitespace from the leading and ending space per line of a file. Our sample file /tmp/file This is line one This is line two
In my last articles I had shown you the arguments to be used with sed to add or append any character in the beginning or end of the line and to ignore whitespace while grepping