How can I get only file names in grep?
The standard option grep -l (that is a lowercase L) could do this. From the Unix standard: -l (The letter ell.) Write only the names of files containing selected lines to standard output.
How do I print next line after grep match?
You can use grep with -A n option to print N lines after matching lines. Using -B n option you can print N lines before matching lines. Using -C n option you can print N lines before and after matching lines.
Which option of grep should I use to print only the names of files that contain a pattern I am interested in?
Since many files contain database references, you might get a lot of data on output, so if you are only interested in all the files containing matching text, you can use the grep -l option. This option of grep only shows filenames that contain matching text.
How can I use grep to show just filenames on Linux?
-l, –files-with-matches Suppress normal output; instead print the name of each input file from which output would normally have been printed. The scanning will stop on the first match. (-l is specified by POSIX.) For a simple file search, you could use grep’s -l and -r options: All the search is done by grep.
How to get grep to show me the file name where my match is found?
Only returns the HTML page content where the match is found, but it doesn’t tell me the file which it was found in. How can I get grep to show me the filename where my match is found? -H, –with-filename Print the file name for each match. This is the default when there is more than one file to search.
How are pathnames written to standard output in grep?
Write only the names of files containing selected lines to standard output. Pathnames are written once per file searched. If the standard input is searched, a pathname of (standard input) will be written, in the POSIX locale.
When do you use while statement in grep?
The answer posted by Cyrus is absolutely proper and is The Right Way TM to do it with grep if we only need to find files. When filenames need to additional parsing or operations on the matched filenames, we can resort to using while loop with if statement.