All Questions
59
questions
0
votes
1
answer
79
views
How to use grep string that has double quotes in it
So I'm running a simple alias called vpn which runs a command and has an output, which I put into a .txt file.
If interested to what exactly then here is the alias
alias vpn="docker exec -it ...
- 339k
-1
votes
1
answer
42
views
I can't grep some inputrc string
bind -p |grep -E "\\e.\":" work
but
bind -p |grep -E "\\e\\C-.\":" don't work
I tried a lot of combination
- 11
-1
votes
3
answers
94
views
How to use a variable in a command inside of a bash file
I use this command directly on our redhat linux server 8.8 and it's working correctly and I get the result I want:
grep '01-FEB-2024' /u01/app/server1/listener_scan/trace/listener_scan.log | awk '{ if ...
- 32.5k
8
votes
2
answers
31k
views
"grep: Unmatched [" error when using regex
I'm trying to find a pattern similar to this:
tail -n 100000 gateway.log | grep -B10 -A10 'Nov 22 11:13:56 Received Packet from [10.50.98.68'
Where "11:13:56" could be any time.
This is what I came ...
- 554k
10
votes
2
answers
1k
views
What is the difference between "*.pl" and *.pl in grep? Why does quoting change the result?
What is the difference between:
grep "string" . -r --include *.pl
and
grep "string" . -r --include "*.pl"
The latter includes files in subdirectoried while the former not. Why?
- 27.6k
4
votes
3
answers
15k
views
How can search for both single quotes and double quotes in a grep search?
When I do a search bindkey in the zsh plugins directory for key conflicts I get responses from both the .zsh script files and .md files, and some of the zsh readme files use a double quote in the ...
- 101
17
votes
2
answers
24k
views
Why do I have to escape a "dot" twice?
I know that we can escape a special character like *(){}$ with \ so as to be considered literals.
For example \* or \$
But in case of . I have to do it twice, like \\. otherwise it is considered ...
- 1,880
3
votes
1
answer
7k
views
Grep pattern that has double quotes and variable substitution surrounded by single quotes
So, Let's say I have the following pattern:
Thisisatest="1"
in a file called file.
And I want to match the exact string above but for whatever reason, I choose to loop over some numbers ...
- 5,255
1
vote
1
answer
2k
views
grep: use square brackets to match specific characters
So I am experimenting with the power of grep using this resources
The problem I am currently encountering is that it doesn't seem to work as I intended. so I have an demo.txt file that contains foo....
4
votes
4
answers
5k
views
How do I invoke jq inside awk?
Essentially I have a file.log as follow
blah blah
blah blah
Hello world | {"foo": "bar"}
blah blah
Hello earth | {"foo1": "bar1"}
Now my goal is to write some shell commands to have desire output ...
- 121
8
votes
3
answers
33k
views
Escaping * with Regular Expressions and Grep
I have a file that has unique lines that start with 2 stars (**).
However when I run a grep command for
grep \*\* fileName
I get all of the lines in the file. This is very unusual, and what I see ...
- 11k
4
votes
4
answers
2k
views
fgrep beginning of line?
I'd like to use fgrep to handle searching literal words with periods and other meta-characters in grep, but I need to ensure the word is at the beginning of the line.
For example, fgrep 'miss.' will ...
- 554k
807
votes
13
answers
1.8m
views
How do I grep for multiple patterns with pattern having a pipe character?
I want to find all lines in several files that match one of two patterns. I tried to find the patterns I'm looking for by typing
grep (foo|bar) *.txt
but the shell interprets the | as a pipe and ...
- 554k
3
votes
1
answer
2k
views
prevent single quotes in bash script
I have a bash script that's just a shortcut to the grep command. I call it like this:
stx -p /var/www -t 'my text'
This would run this command:
sudo grep -rinI /var/www -e 'my text'
I'm trying to ...
- 37.6k
3
votes
4
answers
20k
views
Wildcards for filepaths aren't working in grep [duplicate]
I need to grep words like these:
ABC-DEF
AB2-DEF
AB3-DEF
AB-DEF
So I was trying:
grep AB*-DEF
grep -w -AB*-DEF
grep -w AB*DEF
But neither of them are working.
- 57k