Tagged Questions
2
votes
3answers
75 views
Use sed to find whole word and replace
I have the following block of text in a file:
test3.legacy test4.legacy test3 test3.kami
I only want to search for test3 as a whole and replace it with nothing. Unfortunately, all my attempts have ...
1
vote
1answer
154 views
Sed and Awk learning material [closed]
I'm looking for some learning material for sed and awk, can anyone make any suggestions?
Please don’t refer to man and help pages.
-O-
1
vote
1answer
85 views
Display words in color
I am looking for a tool which takes a file in input and a word to search. It should display the file with color the words if it corresponds to the search.
Like grep --colors but displays all the ...
1
vote
1answer
156 views
Combining files with 4 columns each, into 4 files for each column [closed]
So I have a bunch of text files which look like this:
T1
r1 a b c d
r2 d e f g
...
T2
r1 h i j k
r2 l m n o
...
And I want to make FOUR different text files in the following ...
5
votes
5answers
353 views
resolve all ip addresses in command output using standard command line tools
I have several log files that contain a bunch of ip addresses. I would love to be able to pipe the data through a program that would match and resolve ip addresses.
I.E.
cat /var/log/somelogfile | ...
2
votes
1answer
183 views
Replace “<?php print t('Blabla'); ?>” to be “Blabla”
Lets say in file.php, there is lots of php print text: <?php print t('Blabla'); ?>, <?php print t('Text Here'); ?>, etc.
What I need is to remove <?php print t(' and '); ?> of the ...
2
votes
2answers
521 views
regex replace text in xml file within node from the command line
I have an XML file and I would like to replace everything that is between the open and closing tag within multiple instances of the g:gtin node with nothing.
Is this possible from the command line, ...
3
votes
4answers
363 views
Replace whole line in a file from command-line
I have a text file which has some contents similar to this:
# General information about the project.
project = u'Py6S'
copyright = u'2012, Robin Wilson'
# The version info for the project you're ...
3
votes
3answers
799 views
Show lines matching a pattern and the 4 lines before each
For example, from this file:
CREATE SYNONYM I801XS07 FOR I8010.I801XT07
*
ERROR at line 1:
ORA-00955: name is already used by an existing object
CREATE SYNONYM I801XS07 FOR ...
4
votes
3answers
2k views
How do I grep without leading whitespaces?
I'm greping through a large codebase, and leading whitespaces and tabulation seem to be quite annoying. Is there any way to get rid of it?
grep -R "something" ./
E.g, instead of:
foo/bar.cpp: ...
2
votes
2answers
333 views
Change character position with sed
The file contains:
dateutkfilename25012009
I want to change the position of character 16th to 17th with 18th to 19th. And then change position of character 16th to 19th with 20th to 23rd... so it ...
5
votes
4answers
209 views
How could I simplify this command to only use awk?
awk '/user/ {print $1 }' /etc/userdomains | sed 's/://'
the format of /etc/userdomains is
domain.tld: user
otherdomain.tld: otheruser
7
votes
4answers
4k views
grep — removing text after delimiter token
I have a file in which I need to eliminate everything after the first ; on every line.
So a file like this:
sdfsdsdf;
fsdfsddf;sdfsd;
Will result in this:
sdfsdsdf
fsdfsddf
I have looked into ...
