Web19 Aug 2015 · Use sed: sed -i 's/\ (^Key2=\).*/\1Value4/' file The -i flag activates sed s in-place editing. It searches for a line that begins with Key2= and replaces the line with the key ( \1) followed by the new value Value4. Edit: If you have slashes or other command characters used in sed, you have to escape them: WebSed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor …

Sed command in Ubuntu not working - Ask Ubuntu

WebSed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor … Web20 Nov 2024 · Sed basics Replacing text Search for text Search for a string and only print the lines that were matched. sed -n ‘/hello/p’ file.txt Case insensitive search. sed -n ‘/hello/Ip’ file.txt Search for a string but only output lines that do not match. sed -n ‘/hello/!p’ file.txt Appending lines Append line after line 2 saint john of god parish

установка rTorrent+wTorrent на Ubuntu 8.10 / Хабр

Web3 Jun 2015 · This might work for you: sed -e '/foo/i\' -e 'bar' -e '/fred/a\' -e 'barny' -e '/harry/c\' -e 'potter' file. In each case the i (insert), a (append) and c (change) commands need to be … Web6 Apr 2013 · sed -e should be used instead of sed -r, which does not exist. – Dylan Daniels Dec 16, 2015 at 1:47 3 @DylanDaniels According to man sed on Ubuntu, the -r option means "use extended regular expressions". So the given command works fine, although it doesn't need the features of extended regular expressions to work. – Craig McQueen saint john of god hospitaller services group