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Full Discussion: Row to column transpose
Top Forums UNIX for Dummies Questions & Answers Row to column transpose Post 302794943 by hanson44 on Wednesday 17th of April 2013 04:10:15 AM
Old 04-17-2013
It seems like there are 200 fields in that record. That does not seem that many fields. It runs fine here. I use gawk (GNU awk) on Linux. Is there any chance you are using the original awk version (old awk)? If yes, maybe that awk version has a limitation for number of fields, and any chance your computer has nawk (new awk) or gawk (GNU awk)? Most do.
Code:
$ awk -f awk.txt sample | head -4
829454378,111195680,25/03/2010
829454378,111195680,26/03/2010
829454378,111195680,29/03/2010
829454378,111195680,30/03/2010

Code:
$ awk -f awk.txt sample | tail -4
829454378,111195680,24/12/2010
829454378,111195680,29/12/2010
829454378,111195680,30/12/2010
829454378,111195680,31/12/2010

---------- Post updated at 03:10 AM ---------- Previous update was at 02:45 AM ----------

Here's a way that does not depend on awk # of fields.
Code:
$ cat temp.sh
sed "s/^/BEGIN_LINE,/" sample > temp1.x
tr "," "\n" < temp1.x > temp2.x
while read line; do
  if [ $line = "BEGIN_LINE" ]; then
    read field1
    read field2
    continue
  fi
  echo $field1,$field2,$line
done < temp2.x

With original input:
Code:
$ ./temp.sh
667528417,017804259,06/01/2010
667528417,017804259,05/02/2010
667528417,017804259,05/03/2010
667528417,017804259,06/04/2010
667528417,017804259,06/05/2010
346787889,098454545,05/07/2011
346787889,098454545,08/05/2012
346787889,098454545,02/03/2012
243455459,045464575,02/08/2010
243455459,045464575,12/09/2012

With really long line:
Code:
$ ./temp.sh | head -4
829454378,111195680,25/03/2010
829454378,111195680,26/03/2010
829454378,111195680,29/03/2010
829454378,111195680,30/03/2010

Code:
$ ./temp.sh | tail -4
829454378,111195680,24/12/2010
829454378,111195680,29/12/2010
829454378,111195680,30/12/2010
829454378,111195680,31/12/2010

Of course, if the input line is REALLY long, sed also would have a problem with it. If that happens, there is another solution, but no use going into that if the above shell script works, or if you can get an awk that allows more fields.

BTW, I tested gawk with 7198 fields, and no problem. I don't know what the maximum is.
This User Gave Thanks to hanson44 For This Post:
ganeshd
 

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