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How would I parse
#extra_modules some string
in kdump.conf file to get "some string" as actual output in bash script ?
Thanks !
grep "#extra_modules" kdump.conf | cut -c 16-
grep finds the lines with the phrase "#extra_modules", and cut selects all the characters after the first space
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I have the following line of XML:
<indexentry><secondaryie>definition, 3/2/4</secondaryie></indexentry>
And I need a regex that matches the above and converts it as below:
ABC3(the first number)/P-2(second number)-4(third number)
How can I do this?
Use this regex:
([0-9]+)/([0-9]+)/([0-9]+)
And from captured groups #1, #2, #3 make your string:
ABC3\1/P-2\2-4\3
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I am trying to come up with Reg ex expression that would match an email address starting with format E- and replacing the "AT" with an actual "#" sign.
Here is an example:
E-CANAD.JACK AT EXAMPLE.COM.
The desired output will need to look like CANAD.JACK#EXAMPLE.COM.
Replace:
[eE]-([a-zA-Z0-9]+(?:[._-][a-zA-Z0-9]+)*) (?:at|AT) ([a-zA-Z0-9]+(?:[._-][a-zA-Z0-9]+)*[.][a-zA-Z]+)
By:
$1#$2
More:
Visualization by
Debuggex
Demo by RegExr
You didn't mention your language, so I'm assuming perl
s/^E-(.*) AT (.*)$/$1\#$2/;
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I would like to find a word in a text file, and save it to a variable along with some characters. for example in the text file it would be something like:
Isoelectric Point = 6.2505
I'll be looping through a directory of files, so the value of the Isoelectric Point will change, and that is why I need the characters after the match to be saved to a variable.
if (my ($point) = $str =~ /Isoelectric Point = (\S+)/) {
...
}
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The input file is like
<org.eclipse.core.runtime.adaptor.EclipseClassLoader#1c7d9114,Lorg/eclipse/core/
resources/ResourcesPlugin;>.<init>(Lorg/eclipse/core/runtime/IPluginDescriptor;)V
the goal is to remove hex strings like 1c7d9114,.
The length of the hex strings is fixed, that is 8.
please also include the immediate following comma.
Is there any simple script could deal with this?
Using sed:
sed 's/#[a-f0-9]\{8\},/#/' input
Using perl:
perl -pe 's/\#[a-f0-9]{8},/\#/' input.txt
Using awk:
awk '{gsub(/#[a-f0-9]{8},/,"#",$0)}1' input.txt
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Say I have a line
blah.field
that needs to be commented out
//blah.field
which is referenced in a project in multiple files
Is there a way to comment this line in all places using a simple eclipse search and replace?
Replace regular expression:
^blah\.field$
with
//$0
^ = begin of line (here)
$ = end of line
$0 = the entire found match