grep -e PATTERN unless, as stated in an earlier Answer and in the man pages, there are multiple search patterns, or to protect a pattern beginning with a hyphen (-).

Jan 5, 2015 · Is there a grep-like utility that will enable me to do grep searches with logic operators. I want to be able to nest and combine the logical constructs freely. For example, …

grep understands three different versions of regular expression syntax: “basic,” “extended” and “perl.” In GNU grep, there is no difference in available functionality between basic and …

Dec 11, 2015 · That's because grep can't read file names to search through from standard input. What you're doing is printing file names that contain XYZ. Use find 's -exec option instead: find …

Jun 2, 2015 · 4 I found -x worked for me. Example $ grep -inx -d skip 'favicon.ico' * test.txt:1:favicon.ico Grep Manual -x, --line-regexp Select only those matches that exactly …

I am redirecting grep results to a file, and then using cat to show its contents on the screen. I want to know how many lines of results I have in my results file and then add it to some counter.

Aug 30, 2011 · I have data in multiple files. I want to find some text that matches in all files. Can I use the grep command for that? If yes then how?

Oct 7, 2017 · Your command: cat q1.txt | grep -i "osx" test.txt What this actually does is to start cat and grep concurrently. cat will read from q1.txt and try to write it to its standard output, which is …

From man grep: Context Line Control -A NUM, --after-context=NUM Print NUM lines of trailing context after matching lines. Places a line containing a group separator (--) between …

I am working on SunOS 5.10. I have a folder that contains about 200 zip files. Each zip file contains only one text file in it. I would like to search for a specific string in all the text files i...