GNU bug report logs -
#41687
regex search for indexed files
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Reported by: Peng Yu <pengyu.ut <at> gmail.com>
Date: Wed, 3 Jun 2020 14:28:02 UTC
Severity: normal
Tags: notabug
Done: Assaf Gordon <assafgordon <at> gmail.com>
Bug is archived. No further changes may be made.
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(Wed, 03 Jun 2020 14:28:02 GMT)
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(Wed, 03 Jun 2020 14:28:02 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
Hi,
grep can do regex search but it needs to scan each file. When the
number of files are large, it can be slow.
Is there an alternative tool that can do regex search in the indexed
files (including .docx .pdf and other commonly used file formats that
can be converted to text) so that the search can be fast?
I see this. But it is too old and doesn't support formats like pdf and docx.
https://github.com/google/codesearch
--
Regards,
Peng
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(Sun, 07 Jun 2020 04:46:02 GMT)
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Message #8 received at 41687 <at> debbugs.gnu.org (full text, mbox):
tag 41687 notabug
close 41687
stop
Hello,
On 2020-06-03 8:27 a.m., Peng Yu wrote:
> grep can do regex search but it needs to scan each file. When the
> number of files are large, it can be slow.
>
> Is there an alternative tool that can do regex search in the indexed
> files (including .docx .pdf and other commonly used file formats that
> can be converted to text) so that the search can be fast?
It seems you are mixing several questions together.
1. If you want "grep" to search only specific set of files,
use the "--include" or "--exclude" options.
Or better yet, use find+xargs+grep .
2. If you want to search in non-text files, use appropriate programs
that understand the file format (e.g. "pdfgrep")
or programs that can convert the custom format to text (e.g. "antiword"
and "wv").
3. You've mentioned "indexed files" - if you're looking for a program
that scans files and indexes them, and then allows you to search the
index, look for "Desktop search" programs, e.g.
https://en.wikipedia.org/wiki/List_of_search_engines#Desktop_search_engines
https://en.wikipedia.org/wiki/Recoll
https://en.wikipedia.org/wiki/Tracker_(search_software)
---
Lastly,
For all of these topics, a simple internet search would have given you
the above results. PLEASE respect everyone's time by first doing
searching for answers yourself, before posting questions on a public
mailing list.
---
Since this is not a bug in grep, I'm marking this as "closed".
regards,
- assaf
Added tag(s) notabug.
Request was from
Assaf Gordon <assafgordon <at> gmail.com>
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(Sun, 07 Jun 2020 04:46:02 GMT)
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bug closed, send any further explanations to
41687 <at> debbugs.gnu.org and Peng Yu <pengyu.ut <at> gmail.com>
Request was from
Assaf Gordon <assafgordon <at> gmail.com>
to
control <at> debbugs.gnu.org
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(Sun, 07 Jun 2020 04:46:02 GMT)
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bug archived.
Request was from
Debbugs Internal Request <help-debbugs <at> gnu.org>
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internal_control <at> debbugs.gnu.org
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(Sun, 05 Jul 2020 11:24:05 GMT)
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This bug report was last modified 3 years and 289 days ago.
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