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Shell Programming and Scripting

how to convert columns to rows

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# 1  
Old 11-04-2008
MySQL how to convert columns to rows
Hi,
I need a shell script for below requirement

Input file
P1 - 173310
P2 - 173476
P3 - 173230
P4 - 172737
P1 - 173546
P2 - 173765
P3 - 173876
P4 - 172989

Out put file
P1 173310 173546
P2 173476 173765
P3 173230 173876
P4 172737 172989

Suresh
# 2  
Old 11-04-2008
Use nawk or /usr/xpg4/bin/awk on Solaris:

Code:
awk -F' *- *' 'END { 
  while (++i <= c) print order[i], row[order[i]]
  }
{
  row[$1] = row[$1] ? row[$1] OFS $2 : $2
  while (!temp[$1]++) order[++c] = $1   
  }' infile

# 3  
Old 11-04-2008
Thank u very much. Its working..........
# 4  
Old 11-04-2008
One way with awk:

Code:
awk '
{a[$1]=a[$1]?a[$1]FS$3:$1FS$3}
END{for(i in a) print a[i]}
' file

Regards
# 5  
Old 11-04-2008
Maybe but that is called double posting and against the rules!
# 6  
Old 11-04-2008
Removed the second one.
# 7  
Old 11-04-2008
Hi All,

Both the scripts working.. Thank u all
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