Questions tagged [ack]
ACK is a greplike tool optimized for programmers searching large heterogeneous trees of source code.
37
questions
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1
answer
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how to detect unbalanced special characters in string
I'm wondering what would be the best way (likely using grep or ack) to return lines containing unbalanced special character sets in a string? For example, if the string were:
bqM#+t1U"OyBGhk]ozVG[...
2
votes
2
answers
85
views
Why Doesn't This Shell Script Work?
I've got the following shell script
#!/bin/bash
# Search elixir code with ack
# By default skip the dependencies and test directories
ignore_dirs=("dependencies" "test" "...
- 123
1
vote
1
answer
114
views
ack regex logical OR
I want to ignore the file if the filename match any of these words : copy, cony, coby OR tool, trol, thol etc.
This one works :
ack -l -i --ignore-file=match:/co.y/ --ignore-file=match:/t.ol/ "...
- 113
0
votes
1
answer
476
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Understanding ACK numbers
I try to understand the reason of unordered ACK numbers. I have the following logs in wireshark:
34936 → 80 [SYN] Seq=0 Win=64240 Len=0 MSS=1460 SACK_PERM=1 TSval=3595656117 TSecr=0 WS=128
2 0....
- 84
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1
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379
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Behaviour of single and double quotes depending on shell
I've been scratching my head for quite some time with this....
Inspired by this answer, I'm trying to run 'ack' and to find either a single quote or a double quote in source files.
Doing this in bash ...
- 1
4
votes
2
answers
244
views
ack : get the 10th (or bigger nth) matching/capturing group
I think I might have just searched wrong, but I didn't find any answer. If there's a duplicate, please just let me know, and I can take this down.
Problem Background
I'm using ack (link), which has ...
- 252
0
votes
1
answer
572
views
How to grep contents in HEX specifying the pattern in decimals?
I have a file with the following contents (as a text file in UTF-8)
e04ba1af81d887979ddcee1dc23f2531
43f85926fdb6a668386ee354f8b836a1
b53614f5139c052ec08ea1ecd2532daf
e9b3914d7b1e1bf8e6feab621330245b
...
- 109
2
votes
1
answer
147
views
Can ack read patterns from a file?
grep can look for a list of patterns written in a file with grep -f patterns_file search_files
Can ack read a list of patterns from a file?
- 301
1
vote
2
answers
294
views
How to highlight terms in an output that has a live update?
I'm doing a loop over ffmpeg to convert a bunch of videos, and I would like to highlight some terms in ffmpeg's output. But the solution I tried always made the live progress of the conversion ...
- 11
1
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40
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Can ag search sub-directories with the same name, within a bunch of directories?
Given a directory structure such as:
dev/project1/assets/**
dev/project2/assets/**
dev/project3/assets/**
Is it possible to search, from within the dev directory all assets directories only. Given ...
- 235
0
votes
1
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356
views
Ack/Ag does not return search result without *
I am trying to search text in a directory and it turned out that the following syntaxes do not return any result
ack -i "0xabcdef" ./
ack -i "0xabcdef"
ack -i "0xabcdef" .
while the following ...
- 105
3
votes
1
answer
767
views
Ignore files without extension in ack
I would like to define a file type that would enable me to ignore all files without extension in ack. In my .ackrc file I have added:
--type-set=csv:ext:csv,tsv
To handle CSV files that I often ...
- 323
15
votes
3
answers
12k
views
How to ignore multiple files with `ag` The Silver Searcher
There is an option --ignore which allows specifying files to ignore. At the moment I only managed to ignore multiple files by doing --ignore file1 --ignore file2.......
Trying to use --ignore "*...
- 253
2
votes
1
answer
17k
views
Mac Terminal command - Find string and print with surrounding line
I have been testing using ack, sed, grep trying to search through files in a directory to find a particular string. I am looking through my database files to check to see if passwords are listed in ...
- 123
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1
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286
views
Ack syntax for a file containing foo and bar [closed]
What's the ack syntax to find all files containing foo and also bar?
- 18.1k
2
votes
1
answer
3k
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fast retransmit does not work
Fast retransmit says that if 3 dupacks have been received by sender, then the sender should retransmit the lost packet. But my tcpdump output shows that it didn't work like this. It didn't retransmit ...
- 21
3
votes
0
answers
185
views
Using ack to effectively search and RStudio project directory
I'm interested in running ack search on a RStudio project directory that mostly contains *.R script files but also some project files and often *.git files.
Directory
The project folder structure ...
- 323
1
vote
1
answer
129
views
ack executed through vim
I am trying to execute ack from vim. But for some reason vim decides to stop after executing ack. How can I stop vim from stopping?
(on some systems what I call ack is called ack-grep)
What I am ...
- 206
1
vote
1
answer
178
views
Examine a bunch of huge files
I have a folder with big files (few GB each). I would like to search aPATTERNthrough these files. I can do this with grep or ack:
$ grep -n 'PATTERN' /path/to/files/*.log
Now, I have a list with all ...
- 3,903
10
votes
2
answers
4k
views
How do I ack-grep exclude file type *.sql files or file size larger than >3MB?
I want to search my directory for "foo" in the files, but i have these gigantic sql files. How do I exclude these file types or file sizes larger than 3MB using ack-grep? Also how would this be done ...
- 1,735
1
vote
1
answer
805
views
How do you install Ack-Grep on Red Hat Linux 6.5?
I'm not sure how to install ack-grep for redhat linux 6.5. Google only returned results on how to install it for mainly centos and ubuntu only. But what about Redhat? Why isn't there that many users ...
- 1,735
2
votes
1
answer
104
views
How does this text reformatting happen with ack?
If I do a plain ack for a string, I get a line with the filename, and then the line numbers and the matching lines, like so:
$> ack function
mymodule.file
8: function myfunction1() {
16: public ...
- 14.3k
19
votes
3
answers
4k
views
`ack` doesn't show line numbers on a single file
I'm using ack to search for a string. When I run it without a file argument, I get line numbers:
$> ack function
themes/README.txt
7:Drupal's sub-theme functionality to ensure easy maintenance and ...
- 14.3k
2
votes
5
answers
1k
views
Why can't I pipe to ack?
So I've been trying to use grep to extract some stuff from a Mercurial log and trying to avoid using awk just to see if I can get by without it here, and failing because neither grep nor egrep support ...
4
votes
2
answers
581
views
Is there `find`'s `-exec` like option in `ack-grep`?
I want to remove all texts that include string foo.
I can list all files by ack-grep foo, but I couldn't find a way to remove all files like -exec rm {} option like find.
How can I delete all files ...
- 5,135
3
votes
1
answer
75
views
ack.pl tool and ack.pl flags
I am using the ack.pl tool in order to search string or IP’s in files
The official site of ack.pl is - http://beyondgrep.com/documentation/
Example of ack.pl CLI ( want to find the string ...
- 7,031
1
vote
2
answers
2k
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How to search parenthesis by ack
I want to search for a parentheis ( using ack, but neither using ( nor \( worked.
The first one ("(") is recognized as a multiple line command.
The second one ("\(") is treated as an invalid regular ...
- 5,135
2
votes
2
answers
2k
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Ack regex on filenames
According to this thread:
Q: My understanding is that ack uses Perl-derivative regular expressions, is that correct?
A: Yes. In fact, ack is written in Perl and just forwards the expressions
...
- 40.6k
1
vote
3
answers
132
views
How to pick out files in a folder in which the header contains specific text?
Use case: Let's say there is a folder full of large RDF+XML files and they follow different namespaces. We want to find those files that follow a given namespace (for example xmlns:crm="http://www....
- 113
4
votes
2
answers
1k
views
How to search all text files in Ack? (with --text option being now removed)
Manual says that "The --text option has been removed.". It was setting the --type to text, i.e. ack was searching all text files regardless of their semantic category (i.e. in *.php files, *.txt files,...
- 359
8
votes
2
answers
7k
views
ack/grep search and sort by modification date
Is there any way to have ack sort the results found by date of modification? (ideally showing the date next to the result?). It doesn't look like ack has a date option, but just in case.
If this isn'...
- 1,704
59
votes
9
answers
42k
views
Search only in files that match a pattern with ack
Can ack search only through files that match a specific 'glob' pattern (eg: search for foo in all files named "bar*.c"). The command
ack foo "bar*.c"
only works in the current directory.
Note: I ...
- 783
1
vote
3
answers
734
views
Installing ack on cpanel
I need to install ack on an instance of whm/cpanel (I have root access as it is a VPS) but I have not found any information on how to do that.
I tried to install it using the WHM RPM manager, but the ...
- 441
59
votes
4
answers
47k
views
How to do max-depth search in ack and grep?
Is there any way to tell ack to only search for text on the current folder? (or specify a max-depth level?) And with grep?
- 40.6k
14
votes
2
answers
6k
views
Search ALL files with ack
How can I search all files (including binary) in the current directory with ack v2?
I want to do the same as doing ack 'foo' **, but just with a flag, so it works if I want to search all files in a ...
- 5,951
1
vote
2
answers
532
views
Match a simple Regex
I need to match this: (tt\d{1,10}) in a file with the file ending txt.
I have tried grep and ack-grep but without results.
ack-grep -G \.txt$ -g "(tt\d{1,10})"
- 167
2
votes
3
answers
2k
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Web front-end to find/grep/ack
In my lab, we are trying to build a web that allows the user to enter queries for find, ack, grep on a specific directory. The web would return an HTML with a table of a list of clickable files (click ...
- 40.6k