All Questions
339
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
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
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
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
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 ...
2
votes
4
answers
637
views
Count lines ending in "*"
I have several files in a directory with this kind of content:
Wood *
Nails
Large Hammer *
Some names have a star after them, some don't. I have multiple files with such content. In each file a ...
- 51
1
vote
1
answer
231
views
command for multiple input and multiple output
I am performing some operations using the grep, sed, and cut commands on a Linux machinete:
zgrep -A1 "^module" *.v.gz | sed -n -e 's/^\(module \)*\(.*(.*)\).*$/\2/p' | cut -f1 -d"(&...
1
vote
5
answers
6k
views
Print ONLY the next line after a match with awk
I have a command that prints the line directly after a match with several pipes using different tools like grep, awk, and tail. This works but it feels somewhat messy and uses multiple pipes to ...
- 303
7
votes
4
answers
1k
views
How to use sed, grep, or awk to keep certain lines in a file depending on line numbers in another file
I have two files. File1 contains some sentences, and File2 contains the line numbers I want to keep in File1.
For example, File1:
He is a boy.
She is a cook.
Okay.
She went to school.
She is pretty.
...
- 271
2
votes
4
answers
2k
views
Grep excluding line that ends in 0, but not 10, 100 etc
I have a file that has this pattern in Linux and Unix environments.
# file1
text1 98432230
text2 123412
text3 10
line4 0
line5 0
line6 40000
... ...
line10 ...
- 23
5
votes
5
answers
8k
views
Finding the line number of first occurrence of a text in bash script
I need to find out what is the line number of first occurrence of a given search string that should be in the start of a line in a text file and store it in a variable in my bash script. For example I ...
- 968
2
votes
1
answer
439
views
How to find keywords in multiple files which often appear together?
I want to find keywords, which often occur in relation to each other.
Example
A directory contains markdown files, each with some keywords on the last line:
$ tail -n 1 file1.md
#doctor #donkey #...
2
votes
2
answers
230
views
Extract identifiers and corresponding brackets among overlapped brackets
I have some files contained identifiers as below:
B#205918
A#273075
E#554065
Eg. sample of file1:
((((A#273075,A#273116),((A#224325,A#192952),A#243232)),(((E#7955,E#7165),E#6239),E#4530)),(((((E#3075,...
- 193
1
vote
2
answers
267
views
Extract field and number of occurrences per line
I have this file:
John Green', 'Age: 32', 'State: New York', 'Total cars: 2', 'Manufacter: General Motor', 'Model: Pontiac', 'Year: 2000', 'Manufacter: Ford Motor', 'Model: Endeavour', 'Year: 2010
...
- 1,272
-1
votes
3
answers
320
views
Need to format text file and update based of key value format
I have a file having the below values:
cat data.txt
server1: calv
server2: anot
log: /u/log/1
server3: calv
server4: anot
server5: secd
server6: calv
LIB_TRGT_calv,anot: /tmp/hello.txt
LIB_TRGT_secd: /...
- 511