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help with file formatting

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# 1  
Old 09-17-2009
help with file formatting
Hi,

I have a file with below contents:

Code:
AAA
pqr,jkl,mnop,abcd

BBB
abc,pqrs,xyz,uvw,
efgh,uvw,
rpk

CCC
123,456,789

Need output file as below:

Code:
AAA,pqr,jkl,mnop,abcd
BBB,abc,pqrs,xyz,uvw,efgh,uvw,rpk
CCC,123,456,789

Pl advise.

TIA
Prvn
Last edited by vgersh99; 09-18-2009 at 07:49 AM.. Reason: code tags, PLEASE!
# 2  
Old 09-17-2009
What have you tried ? Post your attempts over here.

tyler_durden
# 3  
Old 09-17-2009
simple awk can do this..
Code:
awk 'ORS=(NF)?",":"\n"' filename

# 4  
Old 09-17-2009
I didn't try anything as all i know this can be done using "awk".

Its actually the CSV output (spooled) from few SQL statements and there's lot of data beyond 80 columns which gets wrapped to next line (and so on.). Now i need to keep entire data of a record into 1 line.

Prvn

---------- Post updated at 03:03 PM ---------- Previous update was at 02:57 PM ----------

Thank you vidyadhar85,

It worked great.
# 5  
Old 09-18-2009
Code:
sed -n '/^$/!{
      $!{H;}
      ${H;x;s/\n/,/2;s/\n//g;p;}
      }
    /^$/{x;s/\n/,/2;s/\n//g;p;}'

# 6  
Old 09-18-2009
Not really, some unexpected "," was added .

$ awk 'ORS=(NF)?",":"\n"' filename
AAA,pqr,jkl,mnop,abcd,
BBB,abc,pqrs,xyz,uvw,,efgh,uvw,,rpk,
CCC,123,456,789,
# 7  
Old 09-18-2009
Quote:
Originally Posted by rdcwayx
Not really, some unexpected "," was added .

$ awk 'ORS=(NF)?",":"\n"' filename
AAA,pqr,jkl,mnop,abcd,
BBB,abc,pqrs,xyz,uvw,,efgh,uvw,,rpk,
CCC,123,456,789,
Yes,
but the OP seems satisfied. With awk it should be something like this:

Code:
awk -F, 'END { print r }
NR > 1 && /[A-Z]/ { 
  print r; r = "" 
  }
{ r = r ? r $0 : $0 FS }
' infile

On Solaris gawk, nawk or /usr/xpg4/bin/awk should be used.
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