All Questions
1,090
questions
1
vote
2
answers
58
views
Need to make multiple multiline replacements in file
I have a file with multiple "paragraphs" like this:
<type>TRANS</type>
<attributes/>
<specification_method>rep_name</specification_method>
<trans_object_id/&...
- 19
-1
votes
1
answer
54
views
awk inside function causing errors
I'm trying to add the following to my .bashrc:
cpu_info() {
top -b -n1 | grep Cpu(s) | awk '{print $2 + $4}'
}
but bash is telling me:
bash: .bashrc: line 131: syntax error near unexpected token `...
- 243
0
votes
0
answers
71
views
Text processing grep and awk together on live script not working
I am using ssh to login to a remote server (Ubuntu), and then issue a command which outputs text/value each sec (live script).
In the live output, I want to filter out the lines containing '...
- 1
-3
votes
4
answers
109
views
How to catch all lines of a repeating pattern and do some actions with the subresults
I am looking for a possibility to catch in a repeating text pattern all variable amount of lines between them and then do an action with it in bash.
Example text:
Total:
text1
text2
Total:
text3
Total:...
2
votes
2
answers
63
views
Listing a certain part of filenames and their contents
I have a Linux machine with BusyBox,
which has a directory called /data/var/lib/connman.
That directory holds some directories that I'm not interested in.
But it contains many .config files that ...
- 121
0
votes
5
answers
160
views
How to add content to a file before the last } character using Busybox utilities?
There is a file with contents
{
"first_name": "John",
"last_name": "Smith",
"is_alive": true,
"age": 27,
"address": {
...
- 119
1
vote
3
answers
122
views
print a text block / lines between pattern using grep or awk
My file file.txt looks like this:
[NamesA]
Andreas
Alex
[NamesB]
Bernd
Bruno
[NamesC]
Casper
[NamesD]
Doris
I would like accomplish the following 3 different outputs, using grep or awk to use it ...
- 13
0
votes
5
answers
383
views
print characters between a specific pattern containing <>
i am asking for your help please.
I reviewed a lot of sources and did some testing with awk and sed, but i can't get it to work. Below is a snippet of a config file which i could get an output via ...
- 13
1
vote
7
answers
313
views
Find all lines between two patterns, EXCLUSIVE of the second pattern?
Consider that I have the file listed below. I need to select all lines from every instance of the regex pattern Word A to before the regex pattern Word D.
Word A
Word B
Word C
Word D
Word E
Word F
...
- 1,144
-1
votes
2
answers
136
views
Grep a log file for SQL queries and their execution time
I have an application log file that also captures the execution time for each executed SQL statement, like below:-
Sample logs:
I 2023-11-15 07:18:00.743Z 1760463 37 ZVRwqItu6aw-b8eejMLI_gAAAAU 1@...
- 109
-1
votes
2
answers
270
views
Filtering out values in a column that are zero
I have the following dataset:
071,36,035,08422,46217,00000,1,A,Broadalbin village (pt.),New York,18,46,46,46,45,45,44,46,44,46,43,43
071,36,045,29322,56209,00000,1,A,Glen Park village (pt.),New York,...
- 243
1
vote
2
answers
197
views
Recursive pattern search - output formating: for each match file print out the specific file name "\n", line number, sentence matched "\n" in colors
I want a file content search command, under Linux so that:
it will search on specified files, e.g: md, txt, htm.
recursively from the folder and its subfolders, e.g: .
the content search can be ...
- 19
3
votes
3
answers
110
views
How to recreate grep -f with awk
I have a large file with lots of unnecesarry info. I am only interested in section between edit and next and handle them as one entry. I manage to filter it down like this....
'
awk 'BEGIN {FS = &...
- 51
0
votes
4
answers
189
views
How to view a log file that's worth 10GB+?
The ways that I've thought of:
If you get to reproduce the scenario in real time. Use
tail -f application.log | tee /tmp/tailed_log
But it's not sure that we'll get to reproduce the scenario in real ...
- 523
2
votes
5
answers
584
views
Grep Multiple Pattern located in different lines and print in the same line
I'm trying to find a way to grep information in the file that located in the different lines and one of the pattern is contain pattern of date and time.
below is the input
unwantedtext unwantedtext ...
- 23
0
votes
3
answers
327
views
How do I use grep, awk, or sed to get a substring of a line up until a string literal?
I am trying to process a text file and omit a certain string literal if it occurs at the end of the line. E.g.:
Source:
ABC 123
DEF, characters I don't want
GHI, these characters are ok
Desired ...
2
votes
2
answers
309
views
Why does awk concatenate strings from different lines
Good day.
I'm trying to run a ping6 on IPv6 addresses pulled from /etc/resolv.conf.dnsph. It seems though, as if awk is stringing the IPv6 addresses onto one line.
$ grep ^nameserver /etc/resolv.conf....
- 31
2
votes
2
answers
133
views
How can I select only successful values from leakcheck output?
I have these results that came from leakcheck. How do I properly exclude "false" results and still include the email using bash
[email protected]
{"success":false,"error":&...
3
votes
3
answers
730
views
Find files matching one pattern, but not another, using grep, awk or sed [duplicate]
I need to locate .php and .pl files that do not contain one string (e.g. aaa), but do contain another (e.g. bbb).
I'm currently using this command:
find /path/ \( -iname '*.php*' -or -name '*.pl*' \) -...
- 2,742
4
votes
4
answers
691
views
grep multiple patterns with differing number of matching groups?
I'm trying to tally insertions and deletions from git diffs.
I have the following, which when piped one or more strings of the form "4 files changed, 629607 insertions(+), 123 deletions(-)" ...
- 143
0
votes
4
answers
183
views
Removing trailing newline from grep output
I'm looking for way to remove new line from grep output, I use
grep -oP "changed: \[([^]]+)\] =>|'path': '([^']*)'" /path/to/file
The output is like:
changed: [hostname1] =>
'path': '/...
- 1
2
votes
3
answers
214
views
Replace the last half in every line of a file with corresponding part in another file
I have two files A and B. Every line in both files is considered an item. The format of every item is fixed, consisting of a key and description, separated by a space. as shown in the example below.
...
- 31
0
votes
3
answers
89
views
grep from a specific value to specific value
For example, I have a file with data:
[2023-03-21 12:27:19 +0000] some_data
[2023-03-21 12:27:19 +0000] some_data
[2023-03-22 12:27:19 +0000] some_data
[2023-03-23 12:27:19 +0000] some_data
[2023-03-...
- 41
3
votes
2
answers
760
views
How do you get the individual outputs of grep?
I've seen grep thrown around in plenty of answers but never wrapped my head around it.
Now that I am playing with trying to get the content within HTML tags of a locally saved page from the internet, ...
- 73
-2
votes
2
answers
91
views
Select all the text or characters between 2 text patterns that are repeating
Following is the sample .log file (there can be more lines in this)
2022 User abc (iii)
2023 defaa <party> ttt
2222221 User def (bbb)
20222 defaa <accoun> ttt
2222 User dddd (aaa)
3333 ...
- 11
3
votes
2
answers
396
views
Extract first word from txt file before ending with "/" sign in linux which contains "db" word in txt line
I have abc.txt file which contains two lines. I want to extract first word in line which contains db word in particular line.
abc.txt:
XYZ/db_abc.sql
ijkl/tables/table_name/tl_abc.sql
When I tried ...
- 147
0
votes
1
answer
86
views
"grep -A" but with some lines removed
The problem
The output of grep -A 4 davidson file.txt gives me:
davidson 0 27 |r|= 0.00244 e= [-0.04073962 0.42777949 0.44157777 0.45997235 0.45997235 0.51613738
0.55005554 0.5538866 0....
- 237
0
votes
0
answers
48
views
Script to find pdf files based on IDs
I have 500 IDs for students in an excel file (I have only one column for IDs) and I need to find the reports (pdf files) for each student among the 2K pdf files. These files are in one folder.
Finally,...
- 1
0
votes
6
answers
224
views
search pattern and print in same line
I have a big .txt file in below format
Pin name="AR_OP" status="f"
Pref x=997.6800 y=2327.0400 side=N width=0.0400 depth=0.3750 /
Layer id=1
--
Pin name="...
- 139
0
votes
5
answers
158
views
How to bring the next line to the end of the first line using awk, separated by a comma?
I have downloaded some sequences from a publicly available database in .fa format. I want to generate a .csv file that contains the name of the sequence, and its length, separated by a comma.
This is ...
