Question

I want to use grep to find the lines contain String in all java files under current directory.

I tried:

grep -r "String" **/*.java

But it doesn’t work:

grep : **/*.java:  no such file or directory

How to write it?

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UPDATE

I’m on windows, using the grep provided by unxUtils, which doesn’t support --include parameter. Is there any other way?

Answer 1

Use recursive grep:

grep -r "String" --include=*.java .