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Shell Programming and Scripting

Convert rows to columns group

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# 1  
Old 07-22-2010
Convert rows to columns group
Hi

I have the input file following like this

Code:
"AIX"
"AIX 6.0"
"AIX 7.0"
"Redhat 8"
"Redhat 9"
"Redhat 5.0 Enterprise Linux"
"Sun Solaris 9"
"Sun Solaris 10",
"Sun Microsystems"

"Oracle"

.................................Like this 2000 lines

I need to convert this input into following like format

Code:
"AIX", "AIX 6.0", "AIX 7.0"
"Redhat 8", Redhat 9", Redhat 5.0 Enterprise Linux"
"Sun Solaris 9", "Sun Solaris 10", "Sun Microsystems"
"Oracle"


Please give me the script to create like this o/p.

thanks in advance
Last edited by Scott; 07-22-2010 at 03:06 PM.. Reason: Please use code tags
# 2  
Old 07-22-2010
Rules and attempts?
What are the rules?
Looks like group by first word, but one example groups by 2 words "Sun Solaris" while the next is grouped again by only one word "Sun"

What have you tried to accomplish this?
# 3  
Old 07-22-2010
Quote:
Originally Posted by joeyg
What are the rules?
Looks like group by first word, but one example groups by 2 words "Sun Solaris" while the next is grouped again by only one word "Sun"

What have you tried to accomplish this?
rules is simple and clear based on the first word

---------- Post updated at 08:13 AM ---------- Previous update was at 08:12 AM ----------

Please give me the script based on first word
Last edited by Scott; 07-22-2010 at 03:06 PM.. Reason: Fixed QUOTE tag
# 4  
Old 07-22-2010
Try and adapt the follwing script (assumes that the input file is sorted):
Code:
awk '
BEGIN {
   FS  = "[[:space:]\"]";
   ORS = "";
   ors = "";
}
{
   print ($2 == prv ? "," : ors) $0
   ors = "\n";
   prv = $2;
}
END {
   print "\n";
}
' inputfile

Inputfile:
Code:
"AIX"
"AIX 6.0"
"AIX 7.0"
"Redhat 8"
"Redhat 9"
"Redhat 5.0 Enterprise Linux"
"Sun Solaris 9"
"Sun Solaris 10"
"Sun Microsystems"
"Oracle"

Output:
Code:
"AIX","AIX 6.0","AIX 7.0"
"Redhat 8","Redhat 9","Redhat 5.0 Enterprise Linux"
"Sun Solaris 9","Sun Solaris 10","Sun Microsystems"
"Oracle"

Jean-Pierre.
# 5  
Old 07-22-2010
Code:
awk '{t=$1;gsub(/"/,"",t);a[t]=a[t] FS $0} END {for (i in a) print a[i]}' urfile

# 6  
Old 07-23-2010
Thank you
Thank you very much
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