Oct 19, 2012 · You can extract the last numbers with this: sed -e 's/.*[^0-9]\([0-9]\+\)[^0-9]*$/\1/' It is easier to think this backwards: From the end of the string, match zero or more non-digit …

Jun 3, 2015 · In your example sed 's/foo/bar/' and sed -e 's/foo/bar/' are equivalent. In both cases s/foo/bar/ is the script that is executed by sed. The second option is more explicit, but that is …

How do I edit a file in a single sed command? Currently, I have to manually stream the edited content into a new file and then rename the new file to the original file name. I tried sed -i, but my

Sep 22, 2011 · +1 Right after the "delete every line which does match" sed example line, I would also include a "or operate on every line that does not match" with a simple sed example of …

Learn how to use sed with regex for complex string replacements in Unix systems.

Feb 11, 2013 · sed uses basic regular expressions by default, enabling use of extended regular expressions is implementation dependent, e.g. with BSD sed you use the -E switch, GNU sed …

The following command is correctly changing the contents of 2 files. sed -i 's/abc/xyz/g' xaa1 xab1 But what I need to do is to change several such files dynamically and I do not know the file na...

With GNU sed you can avoid all the escaped parenthesis by using extended regular expressions. Use the -r switch to do this.

How to use variables in a command in sed? Asked 12 years ago Modified 2 years, 3 months ago Viewed 200k times

Apr 24, 2017 · What is the difference? Nothing. You can use -i -e or -ie (unless there is another option specifically defined as ie) As long as your expression follows -i you can eliminate the e …