问题描述:

I have a flat file with a list of URL's I want to spider. I only want to check the ones of a certain length though. I am unaware of any way to cut the shorter urls from the list via bash. Would it be possible to create a simple for do loop to remove lines in the file that contain less than 5 forward slashed? "/"

网友答案:

You can simply to:

grep '://.*/.*/.*/.*/.*/' urls.txt

This will only match lines that have at least 5 slashes.

网友答案:

Use

grep '//.*/.*/.*/' filename
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