What does the "inplace" modification of a file e.g. via sed -i or perl -i mean? My question is about how this inplace modification is done. Is the file copied the modification is done in the copy and ...
Replacing strings in files based on certain search criteria is a very common task. How can I replace string foo with bar in all files in the current directory? do the same recursively for sub ...
I have several files which contain some PHP includes and I want to substitute them with the file contents. The file looks like foo <?php include("file1.php"); ?> bar baz <?php ...
Recently, I just had an idea which turned out to be pretty useful under certain circumstances. But first some simple explanation: In Perl, you have the option to tie variables to some functions ...
I am looking for a single line shell script or unix command to find the newest 500 files in a directory. Major constraints are it should be POSIX complaint and the directory can have tons of files.
File1 Contents: line1-file1 "1" line2-file1 "2" line3-file1 "3" line4-file1 "4" File2 Contents: line1-file2 "25" line2-file2 "24" Pointer-file2 "23" ...