[Cialug] grep question

[chris at bynw.com]

Well an update. It looks like the data query strings were too long in my 
file2read.txt so I made them a bit more manageable and it works like a 
charm.



On 2020-04-17 11:54, chris at bynw.com wrote:
> I think I might have some syntax incorrect.
> 
> The basics is:
> file2read.txt each line has text to search for not regex
> 
> so I'm using fgrep
> 
> fgrep -f file2read.txt -r /directory/* > write2find.txt
> 
> so I want to search all files in the directory for the text in the 
> file2read.txt
> 
> right now it writing everything from the directory in to the output 
> text file
> 
> 
> 
> On 2020-04-17 01:09, Tim Wilson wrote:
>> Bonus “Pro Tip”: if you only want the text and don’t care about the 
>> file
>> names, use -h.
>> 
>> On Fri, Apr 17, 2020 at 12:42 AM kristau <kristau at gmail.com> wrote:
>> 
>>> I use this all the time. It works exactly as Tim described. Very 
>>> useful Pro
>>> Tip!
>>> 
>>> On Thu, Apr 16, 2020 at 8:27 PM <chris at bynw.com> wrote:
>>> 
>>> > ah. awesome. thanks Tim. I'll give it a shot.
>>> >
>>> > On 2020-04-16 20:11, Tim Wilson wrote:
>>> > > It stops scanning that file if it finds a match. It will continue
>>> > > scanning
>>> > > each file Individually.
>>> > >
>>> > > On Thu, Apr 16, 2020 at 7:56 PM <chris at bynw.com> wrote:
>>> > >
>>> > >> I was wondering about that. But the man page detail reads:
>>> > >>
>>> > >>         -l, --files-with-matches
>>> > >>                Suppress normal output; instead print the name of each
>>> > >> input file from which output would normally  have
>>> > >>                been printed.  The scanning will stop on the first
>>> > >> match.
>>> > >>
>>> > >> which makes me think the scanning will stop while I'm scanning
>>> > >> multiple
>>> > >> files and want them all scanned for the matching text.
>>> > >>
>>> > >>
>>> > >>
>>> > >>
>>> > >> On 2020-04-16 19:49, Tim Wilson wrote:
>>> > >> > I think what you’re looking for is -l (lowercase L). Or if you
>>> prefer
>>> > >> > the
>>> > >> > long option, --files-with-matches
>>> > >> >
>>> > >> > On Thu, Apr 16, 2020 at 7:33 PM <chris at bynw.com> wrote:
>>> > >> >
>>> > >> >> I have a question about using Grep. I have fgrep searching for a
>>> long
>>> > >> >> string in several files. It's great it finds them so there is
>>> nothing
>>> > >> >> wrong there. Just when I get the results it gives me the file name
>>> > and
>>> > >> >> the long string. How do I just get the file name as the output?
>>> > >> >>
>>> > >> >> Thanks!
>>> > >> >>
>>> > >> >> chris
>>> > >> >> _______________________________________________
>>> > >> >> Cialug mailing list
>>> > >> >> Cialug at cialug.org
>>> > >> >> https://www.cialug.org/cgi-bin/mailman/listinfo/cialug
>>> > >> >>
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>>> 
>>> 
>>> --
>>> Tired programmer
>>> Coding late into the night
>>> The core dump follows
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