You should see the file length decrease, depending on how many lines it contains. A file with 100 lines would likely shrink by 99 characters, since only the last line will not end with the CRLF ...

grep -rni "text string" /path/to/directory -r performs a recursive search within subdirectories.-n displays the line number containing the pattern.-i ignores the case of the text string. The above ...

There are numerous ways to compare text files on a Linux system from the command line. This post describes seven commands that can help you do this and explains how to interpret the results.