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Shell Programming and Scripting

join 2 lines

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# 1  
Old 03-01-2010
join 2 lines
hi all i have sample and i need script to do this
Code:
/dev/xxx oracle test 
/dev/sap 
9999 000 88 99

i need the out put like this
Code:
/dev/xxx oracle test 
/dev/sap 9999 000 88 99

can any one provide me with an idea to solve this problem
# 2  
Old 03-01-2010
Code:
awk '{printf (NR-1 && (/^\//)?RS:X) $0}' infile

Last edited by danmero; 03-01-2010 at 09:04 PM.. Reason: Fix error
# 3  
Old 03-01-2010
Code:
sed '2{N;s/\n/ /;}'

# 4  
Old 03-02-2010
Another one,

Code:
awk ' _s { print _s,$0; _s="";next; }NF==1 { _s=$0; }!_s' < file

# 5  
Old 03-02-2010
Dear Friend,

You can use the following code

Code:
use strict;

use warnings;
my ($var,$var1);
open (FH,"<file");
while($var=<FH>)
{
     chomp($var);
     if($var=~/\/dev\/sap/)
         {
           $var1=<FH>;
           $var=$var. " $var1";
         }
     print "$var\n";
}

# 6  
Old 03-02-2010
alister your solution will work only for the first occurrence.
dennis.jacob your solution will work only on next line.
Try on this data sample:
Code:
/dev/xxx oracle test
/dev/sap
9999 000 88 99
/dev/xxx oracle test
/dev/sap
9999 000 88 99
9999 000 88 99

# 7  
Old 03-02-2010
Quote:
Originally Posted by danmero
alister your solution will work only for the first occurrence.
dennis.jacob your solution will work only on next line.
Try on this data sample:
Code:
/dev/xxx oracle test
/dev/sap
9999 000 88 99
/dev/xxx oracle test
/dev/sap
9999 000 88 99
9999 000 88 99

danmero, I did not get you. I think the output which I am getting for the sample data is correct as per my understanding.


Code:
/home/usr1 >awk ' _s { print _s,$0; _s="";next; }NF==1 { _s=$0; }!_s' < file
/dev/xxx oracle test
/dev/sap 9999 000 88 99
/dev/xxx oracle test
/dev/sap 9999 000 88 99
9999 000 88 99
/home/usr1 >cat file
/dev/xxx oracle test
/dev/sap
9999 000 88 99
/dev/xxx oracle test
/dev/sap
9999 000 88 99
9999 000 88 99
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