[SunHELP] insert one line at beginning of text file; efficiently

Dale Ghent daleg at elemental.org
Tue Sep 2 18:59:28 CDT 2003


On Tuesday, September 2, 2003, at 05:51 PM, Markham, Richard wrote:

> This code will be intercepting print data which could be lengthy and
> that is why I am concerned with efficiency.  If I have to go with temp
> files I will add a time stamp to avoid multiple tasks overwritting
> each other.

perl -e 'print "\n"; while(<>){ print;}' < inputfile > outputfile

/ek
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