Hi there,
I was wondering if someone can help me with this.
I am trying the combine multiple columns from multiple files into one file.
Example file 1:
c0t0d0 c0t2d0 # hostname vgname
c0t0d1 c0t2d1 # hostname vgname
c0t0d2 c0t2d2 # hostname vgname
c0t1d0 c0t3d0 # hostname vgname1... (5 Replies)
Using these 2 comands to concatenate both outputs into single file:
cat testdata | awk 'BEGIN { FS="\n"; RS=""; } /<pattern1>/ {print}' > testdata1
cat testdata| awk '/<pattern2>/,EOF' >> testdata1
is it possible to combine both "awk" into 1-liner?
pls advise and thanks in advance. (5 Replies)
Okay so here's something that's confusing me: I have a script that's designed to remove the words "new_" from the front of any file except two exceptions and it looks something like this...
for i in new_*
do
if ] && ]; then
j=`echo "$i"|cut -c5-`
mv $i $j
fi
done
... (5 Replies)
Hi
I am trying to search and replace a multi line pattern in a php file using awk.
The pattern starts with
<div id="navbar">
and ends with
</div>
and spans over an unknown number of lines.
I need the command to be a one liner.
I use the "record separator" like this :
awk -v... (8 Replies)
I would like to print result of multiple search pattern invoked from an one liner. The code looks like this but won't work
gawk -F '{{if ($0 ~ /pattern1/) pat1=$1 && if ($0 ~ /pattern2/) pat2=$2} ; print pat1, pat2}'
Can anybody help getting the right code? (10 Replies)
Thanks for giving your time and effort to answer questions and helping newbies like me understand awk.
I have a huge file, millions of lines, so perl takes quite a bit of time, I'd like to convert these perl one liners to awk.
Basically I'd like all lines with ISA sandwiched between... (9 Replies)
hi,
I have a directory "test" under which there are 3 files a.txt,b.txt and c.txt.
I need to rename those files to a.pl,b.pl and c.pl respectively.
is it possible to achieve this in a sed or awk one liner?
i have searched but many of them are scripts.
I need to do this in a one liner.
I... (2 Replies)
I am new for Perl I want to ask one question. I have around 50 custom packages which i am using in my Perl script. I want to import all .pm packages in my Perl script in an easy way. Right now i have to import each package individually. So Is there any way to do so??
Right Now i am doing like:
... (1 Reply)
ignore the simplicity of the foo file, my actual file is much more hardcore but this should give you the jist of it. need to combine the two awks into one liner. essentially, need to return the value of one particular field in a file that has multiple comma separated fields. thanks guys
cat foo... (1 Reply)
Perl::Critic::Policy::BuiltinFunctions::ProhibitComplexMUsernContributed Perl Perl::Critic::Policy::BuiltinFunctions::ProhibitComplexMappings(3pm)NAME
Perl::Critic::Policy::BuiltinFunctions::ProhibitComplexMappings - Map blocks should have a single statement.
AFFILIATION
This Policy is part of the core Perl::Critic distribution.
DESCRIPTION
The map function can be confusing to novices in the best of circumstances. Mappings with multiple statements are even worse. They're also
a maintainer's nightmare because any added complexity decreases readability precipitously. Why? Because map is traditionally a one-liner
converting one array to another. Trying to cram lots of functionality into a one-liner is a bad idea in general.
The best solutions to a complex mapping are: 1) write a subroutine that performs the manipulation and call that from map; 2) rewrite the
map as a for loop.
CAVEATS
This policy currently misses some compound statements inside of the map. For example, the following code incorrectly does not trigger a
violation:
map { do { foo(); bar() } } @list
CONFIGURATION
By default this policy flags any mappings with more than one statement. While we do not recommend it, you can increase this limit as
follows in a .perlcriticrc file:
[BuiltinFunctions::ProhibitComplexMappings]
max_statements = 2
AUTHOR
Chris Dolan <cdolan@cpan.org>
CREDITS
Initial development of this policy was supported by a grant from the Perl Foundation.
COPYRIGHT
Copyright (c) 2007-2011 Chris Dolan.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.22012-06-07Perl::Critic::Policy::BuiltinFunctions::ProhibitComplexMappings(3pm)