[Cialug] Regular Expression for Pathnames

[Ron Houk]

You could truncate the file path | remove blank lines | and then search for
the text with

cut -d / -f -3 test | sed '/\n/d' | grep MyText


where in cut f=Folder Depth+1

On Mon, Nov 24, 2014 at 10:23 AM, Todd Walton <tdwalton at gmail.com> wrote:

> If I have a text file full of pathnames, like:
>
> /var/log/folder1
> /var/log/folder2
> /home/todd/mydir
> /var/log/folder1/fileh
> /var/log/folder1/foldersub/fileh
>
> ...etc, what's the regular expression to find where a string has exactly
> two (or however many) forward slashes to the left of it?  I have a 360,000
> line list of path names, and I'd like to find where a certain string falls
> early in the path.  I'm really only interested in paths where it's in the
> top three or four directories.
>
> --
> Todd
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