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# 1  
Old 10-12-2006
inserting into a data file

Hello

I have a unix variable $HDR in a script, which contains header info, and I need to create it as a new line at the top of a data file which is the input $1 in the script.

Paul
# 2  
Old 10-12-2006
# 3  
Old 10-12-2006
Code:
sed "1 i\
$HDR" $1 >temp
mv temp $1

# 4  
Old 10-12-2006
Sedless version:
Code:
{
  print "$HDR"
  cat $1
} > $1.tmp
mv $1.tmp $1

# 5  
Old 10-13-2006
Thank you both methods work OK
 

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