On 7 Nov 2001, Narayanamoorthy Srinivasan wrote:
| I wrote a shell script access a very big text file which happens to
|read the file line by line. When i use the command "head -$LINE_NO |
|tail -1" to retrieve a particular line, the process becomes very slow
|when accessing a big file that contains 11,000 lines.
That's because the numbers of lines read is 2x$LINE_No .
| Is any other solution for it.
cat LARGEFILE | perl -e '$count=0 ;while(<>){ $count++; if($count == 10){print $_;
exit;}}'
:o) this will give you the 10th line of the file!
rewrite that as a proper perl script and make it accept arguments and
stuff.
Kingsly
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