Can you use wildcards with grep?
In grep the asterisk only matches multiples of the preceding character. The wildcard * can be a substitute for any number of letters, numbers, or characters. Wildcards can specify a group of letters or numbers. Wildcards can specify a group of letters or numbers.
How do you grep with a wildcard?
Using the star sign in grep
- grep itself doesn’t support wildcards on most platforms. You have to use egrep to use wildcards.
- @PanCrit: * means the same thing in grep and egrep: it’s a quantifier meaning zero or more of the preceding atom. That’s a completely different concept than the wildcards used by the shell. –
What is the option for grep to only print the matching file?
What is the option for grep that will allow me only to print the matching file and not the line within a file that matches the criteria? You can use the Unix-style -l switch – typically terse and cryptic – or the equivalent –files-with-matches – longer and more readable.
How to use grep to find specific files?
grep -n GetTypes **/*.cs **/*.cs means all the files matching *.cs in the current directory, or in its subdirectories, recursively. If you’re not running a shell that supports ** but your grep supports –include, you can do a recursive grep and tell grep to only consider files matching certain patterns.
How to find files that do not contain a given string?
My grep does not have any -L option. I do find workaround to achieve this. to dump all the file name containing the deserved string to a txt1.txt. dump all the file name in the directory to a txt2.txt. make the difference between the 2 dump file with diff command. You can specify the filter under “find” and the exclusion string under “grep -vwE”.
How can I use grep instead of egrep?
Try this: egrep: Grep will work with extended regular expression. w : Matches only word/words instead of substring. o : Display only matched pattern instead of whole line. i : If u want to ignore case sensitivity. You could translate spaces to newlines and then grep, e.g.: Just awk, no need combination of tools.