Search file containing text

Hello,

I would like to search inside a folder and its sub-folders for the name of a file that contains a specific text string.

What command should I run?

Thanks,

David

Code:

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find -iname <string>
find -iname *hello*

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Hi,

I didn't explain myself correctly. I don't want to find a "file name" that includes a string but rather the "name of a file" where the "file itself contains a string".

Thanks,

David

Code:

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grep 'abc' -r *

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It will fine string abc in all files in folder and subfolders.
Check manual of grep here. You can use sed for more efficient results but I am not familiar with it.

Not sure how a stream editor can give more efficient results than grep, but in casper's example use grep's -l option to get the names of the files containing the wanted string, rather than every matching line.