All Questions
56 questions
0
votes
4
answers
112
views
How to replace pattern in last line
I'm trying to replace "}," by "}" from the last line of a file :
My /etc/firefox/policies/policies.json file like this because I added the certificate lines using a for loop :
$ ...
- 2,401
-1
votes
3
answers
98
views
Delete 2-line paragraphs, keep 3-line paragraphs, maintain newline between all
On a Linux machine with GNU tools I have an ascii file that consists of only 2-line and 3-line paragraphs, each paragraph separated by a newline. All 2-line paragraphs are to be deleted so that all 3-...
1
vote
3
answers
82
views
Bash: sum a number present in N lines before a given pattern
I have a kdenlive project file (which is basically a xml file) with a lot of text clips inside. I need to bulk edit the x coordinate of a certain text that appears multiple times. This is an example:
...
- 27
6
votes
3
answers
931
views
awk: sort by first column then second; output unique 1st column once but all 2nd column
I have a two-column file that you can create as follows
cat > twocol << EOF
007 03
001 03
003 01
137 12
001 11
002 01
002 02
002 03
001 02
002 04
137 94
010 21
001 01
EOF
The resultant file, ...
- 336
-2
votes
3
answers
127
views
bash + how to verify folders under specific path are ended with number/s
I want to check the folder/s under /var/kafka that all them are ended with number otherwhile I will exit with error
ls -ltr /var/kafka
drwxr-xr-x 399 kafka kafka 28672 Nov 9 13:10 data6
drwxr-xr-x ...
- 13.9k
-1
votes
3
answers
168
views
Replace new lines at end for those lines whose 2nd field in colon separated file span over to multiple line
I have got multiple files with different set of contents but the pattern is same across mulitple lines in different files.
sample input file : cat -n test.txt
1 adjfkhjdhfkjd: ...
1
vote
6
answers
1k
views
Find and replace a multi line text file in another multi line text file
I fought with it for so long but I am now completely out of ideas. Maybe someone here will be able to help me. Here is what I want to achieve:
file_1.txt:
# Some comment
some_variable="test"
...
- 121
3
votes
2
answers
342
views
Squash file with key-value records to CSV [duplicate]
I want to write a data parser script. The example data is:
name: John Doe
description: AM
email: [email protected]
lastLogon: 999999999999999
status: active
name: Jane Doe
description: HR
email: [email protected]
...
- 2,126
3
votes
2
answers
405
views
Collapsing a series of comma separated numbers in a sequence to Beginning-End [duplicate]
Problem I am trying to solve/enhance a BASH script that provides a number sequence:
I am using a topologically aware tool (lstopo-no-graphics) to extract physical processor numbers to use for input to ...
- 33
0
votes
1
answer
927
views
Capturing hostname & data when executing local script on remote server
While trying to execute a local script on remotely host unable to get hostname of the remoteserver to a local output file.
For example I am executing a script below.
ssh remotehost sh -s < sudo su -...
- 3,208
3
votes
6
answers
1k
views
Passing variable to AWK not working inside a loop
I have this awk statement that reads a YAML file and outputs a particular value. I need to loop this awk inside a loop where I read a key value from a list of values and pass that key to awk.
The YAML ...
- 33
-1
votes
3
answers
663
views
linux + print the root file system size
lvs is good command to show us the file system size as
lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lv_root vgW -wi-ao---- 100.00g
lv_swap vgW -wi-ao---...
- 13.9k
0
votes
1
answer
47
views
Concat line with next line if both contain the same number of a specified character
I need to concat lines which contains a specified number of the specified character. I don't have any idea, it's easy in python or ruby, but I want to do this using perl / sed / awk / bash, without ...
6
votes
6
answers
4k
views
Elegant way to merge lines with multi-char-delimiter, ignoring blank lines, supporting \n, \r or \r\n
I want to read a multi-line file in a bash script, using the file path from a variable, then merge the lines using a multi-char delimiter and save the result to another variable.
I want to skip blank ...
- 65
-2
votes
5
answers
141
views
how to cut the filename in way to contain only the first word before separator
I am trying to get the package name of the whl files
the files are
ls /python/*.whl
/python/argparse-1.4.0-py2.py3-none-any.whl /python/Jinja2-2.11.2-py2.py3-none-any.whl
/python/...
- 13.9k