All Questions
54 questions
0
votes
3
answers
102
views
Splitting Words into space separated characters [duplicate]
I have a table with one word in each row. I want to split the word into space separated c h a r a c t e r s. Is there a way to do that via bash command?
If yes, I also have a table with multiple words ...
-2
votes
1
answer
182
views
Error in command su
I am creating a command that will change a certain line in the /etc/profile file from a script, however in certain versions of Linux the sudo command may not be activated so it would be necessary to ...
user569757
0
votes
2
answers
269
views
Get value from a key value pair separated with pipe
I have a string as below
Delete :xna.del|mode:Full|Execution: loaded
I need my output to be stored in 3 parameters.
for an example
a=xna.del
b=Full
c=loaded
3
votes
7
answers
2k
views
remove trailing spaces from text files ONLY when necessary
I'm removing the trailing spaces using
sed -i 's/[ \t]*$//' *.txt
However, this command will rewrite all the files.
Is there a convenient way to judge that if there are trailing spaces in a text file ...
- 2,926
1
vote
1
answer
344
views
process input arguments to a bash script
I'm processing files with a bash script $ processh.sh file. The input file contains information about the files to process
# id path type
id1 filename1 csv
id2 filename2
id3 filename3 json
...
...
- 2,926
3
votes
2
answers
7k
views
How to loop through file and execute the lines
I have a text file that contains bash commands for fetching some data from a database. Each command is separated with a newline. See an example below: (the commands could also have been "ls -l&...
- 185
6
votes
4
answers
3k
views
How to print multi-line variables in side-by-side columns in sh?
This question is based on a similar question on Ask Ubuntu,
but instead of bash, I would like to have similar output in sh.
No issue in bash; it works as expected.
wolf@linux:~$ echo $SHELL
/usr/bin/...
- 1,731
0
votes
2
answers
130
views
How to change columns, drop inverted commas and add tabulation to a text file with bash
I'm quite new into bash and awk in bash scripting and from this text that I have in a file:
"Index", "Year", "Age", "Name", "Movie"
1, 1928, 44, "...
- 101
-3
votes
1
answer
805
views
remove duplicate lines based on first three column values
I am getting a file with content below
The first three values might be repeating in other lines
I want to keep one instance and remove other duplicates
the output should be like below
- 11
0
votes
1
answer
41
views
How can I place a column after another column for 1000 files?
I have 1000 odt files:
file 1.odt with 6 columns (x,y,z,mx1,my1,mz1)
file 2.odt with another 6 columns (x,y,z,mx2,my2,mz2)
....
file 1000.odt with 5 columns (x,y,z,mx1000,my1000,mz1000)
How can put ...
-3
votes
4
answers
8k
views
Write a unix command to count total number of word in first n lines of file?
How can I count the words in the first 3 lines?
input:
There are many systems which are Unix-like in their architecture.
Not able among these are the GNU/Linux distributions.
The distinctions ...
0
votes
0
answers
51
views
Is there a way to pipe to a visual editor and then continue the pipeline? [duplicate]
I know that some command-line programs can open visual editors like Sublime in a "wait mode" which opens the editor, lets you edit, and on-close it resumes the program with the file contents (like git ...
- 215
8
votes
3
answers
1k
views
Looking for a way to view lines of a text file one-at-a-time centered on screen
I'm looking for a way to take a text file and put each line one-at-a-time centered on screen with a certain character width.
Sort of like a bare-bones slide show, e.g. seeing the first line until the ...
- 215
0
votes
1
answer
2k
views
How to bash a Copy files from large text file with source and destination values in it?
I'm trying to write a script that will copy all file listed in a text file, around 3 million lines, which contains two columns, the source and the destination with a new filename:
path/to/source/...
- 3
1
vote
3
answers
5k
views
How to separate a file into parts by delimiter
I have a text file as follows:
aaaa
bbbb
----
cccc
----
dddd
How can I use ---- as delimiter and take out for example dddd or cccc? By take out I mean run a command and get "dddd" if my input ...
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