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Couple of things, You don't need to use cat to pass the file content to awk. It's useless use of cat.

You can specify the single quote to get the shell variable interpolate.

awk -F,...

Forum: Shell Programming and Scripting 12-21-2015

Passing variable into perl system commands

17,252

Posted By

You need to allow the perl interpreter to...

You need to allow the perl interpreter to interpolate perl variables.

Just try this.!

system("wget -q --no-check-certificate -O /tmp/DataFile_$TimeStamp 'https://foobar.com/html' ") ;

...

Forum: Shell Programming and Scripting 12-11-2015

Replace String at the start of each line

1,722

Posted By

Well, What have you tried so far? Anyways,...

Well, What have you tried so far?

Anyways, Here it is..

sed 's/^Delete_[0-9]*_//' file_name

-Ranga

Forum: Shell Programming and Scripting 12-11-2015

Perl : converting file to different scalar elements

1,656

Posted By

Hi.. How about dynamic variable assignment. ...

Hi..

How about dynamic variable assignment.

perl -lne 'if(/exec/){$q="";$c=1;$qc++;}if($c){$q = join(" ", $q,...

Forum: Shell Programming and Scripting 12-10-2015

Pattern match and replace indirect directory reference using sed

1,291

Posted By

Well, try sed -r 's#\.\.(/\.\.)*#%HOME%#'...

Well, try

sed -r 's#\.\.(/\.\.)*#%HOME%#' file

-Ranga

Forum: Shell Programming and Scripting 01-01-2014

Perl code help

967

Posted By

Hi,, Try something like this.. ...

Hi,,

Try something like this..

my @allipsfound ;
my %ips = ();
for my $elem (@gatches) {
my ($ip) = split ":",$elem;
$ips{$ip} = 1;
}
print join('\n', sort keys %ips), "\n";

Forum: Shell Programming and Scripting 11-14-2013

Filter column using awk

8,386

Posted By

sed

Hey,

Try sth like this,

sed 's#<head>$.*$</head>#\1#' input_file

In awk, you can specify more than delimiter in -F option or FS variable.

awk -F'[<>\t]' '{print $3,$6;}'...

Forum: Shell Programming and Scripting 07-10-2013

[Solved] Issue with deleting files through find

7,349

Posted By

You can use maxdepth option in find command to...

You can use maxdepth option in find command to search in current directory only.

Cheers!
-R

Forum: Shell Programming and Scripting 07-01-2013

If inside If loop

2,987

Posted By

Just try the above code :) Cheers!!! -R

Just try the above code :)

Cheers!!!
-R

Forum: Shell Programming and Scripting 05-15-2013

Find and replace from an XML

4,550

Posted By

awk

Please use code tag for code and data samples.

Try smth like this.

awk -v ip=$(hostname -i) '/InternetProtocol/{print;getline;ip=">"ip"<";sub(/>.*</,ip);}1' input_file

Cheers!!!
-R

Forum: Shell Programming and Scripting 04-25-2013

Need help in splitting the string to diff rows

1,009

Posted By

Have shortened a bit. Cheers! -R

Have shortened a bit.

Cheers!
-R

Forum: Shell Programming and Scripting 04-17-2013

Copying a string from a file using shell script

1,586

Posted By

Hey!!! Welcome to the Unix and Linux...

Hey!!!

Welcome to the Unix and Linux Forum!!!!

Try someting like this,

First of all, you haven't mentioned, What shell you are using, Here you go with bash.

var=$(sed 's/.*roses \([^...

Forum: Shell Programming and Scripting 04-01-2013

awk comparision between 2 files and substitution in third

1,601

Posted By

awk

Hey,

Try sth like this,

awk -F'\|' 'FNR==NR{a[$1]= $2"^"$3;next;}a[$2]{split(a[$2],b,"^");$6=b[1];$14=b[2];}1' OFS="|" file1 file2

Cheers,
Ranga:)

Forum: UNIX for Dummies Questions & Answers 03-26-2013

CUT file name

2,643

Posted By

You have to do some more bit with radoulov's...

You have to do some more bit with radoulov's solution like this.

while read line
do
printf '%s\n' "${line%_*}_"
done <"input_file"

(or)

Try this sed,

sed 's/_[^_]*$/_/' input_file...

Forum: Shell Programming and Scripting 01-03-2013

Append spaces the rows to make it into a required fixed length file

5,861

Posted By

Please check the output of my command and not the...

Please check the output of my command and not the input file.

# awk -v l="15" '{s="%-"l"s\n";printf(s,$0);}' file|awk '{print length($0);}'
15
15
15

Cheers,
Ranga:)

---------- Post...

Forum: Shell Programming and Scripting 01-03-2013

Append spaces the rows to make it into a required fixed length file

5,861

Posted By

Hey, Welcome to The UNIX and Linux Forums, ...

Hey,

Welcome to The UNIX and Linux Forums,

Please use code tags for data samples and codes. code tag button look like https://www.unix.com/images/editor/code.png

You should use printf to...

Forum: Shell Programming and Scripting 01-03-2013

How to print in awk matching $1 values ,to $1,$4 example given.?

5,805

Posted By

awk

Hey,

Try something like this,

awk '/^aa|^dd/{print $1,$4;}' file

Cheers,
Ranga:)

Forum: Shell Programming and Scripting 12-21-2012

Expand string using nawk

1,108

Posted By

nawk

Hey,

To format the output in nawk, you can use printf,

Here is the sample implementation,

echo 'Input string'|nawk '{printf("%s %20s\n",$1,$2);}'

Ouput:

Input string
...

Forum: Shell Programming and Scripting 12-19-2012

Help in parsing XML output file in perl.

2,439

Posted By

perl

We can use these fetched values in integer expression and we don't have type cast and all in perl.

Cheers,
Ranga:)

Forum: Shell Programming and Scripting 12-19-2012

Help in parsing XML output file in perl.

2,439

Posted By

perl

Hi,

Try this one,

open(FILE,"<","$xml_file_name");

while(<FILE>){
if($_ =~ m/accumId="(269|270)"/) {
my $accumId = $1;
my @inclUnits=split(/ /,$_);
my...

Forum: Shell Programming and Scripting 11-06-2012

Find the replicate record using awk

1,983

Posted By

awk

Hi,

Try this one,

awk -F, '{a[$1]++;if(v[$1]){v[$1]=v[$1] ORS $0;}else{v[$1]=$0;}} END {for (i in a) if (a[i]>=2) print v[i]}' file

If you want to disply only the duplicated lines,

...

Forum: UNIX for Dummies Questions & Answers 10-19-2012

Sort : Write Error occured while merging

9,363

Posted By

You are right dude :)

You are right dude :)

Forum: UNIX for Dummies Questions & Answers 10-19-2012

Sort : Write Error occured while merging

9,363

Posted By

Hi dude, I think this is going to be a...

Hi dude,

I think this is going to be a temporary directory space issue.
Check with the below option.

sort -T /tmp/dir ....

Cheers,
Ranga :)

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