Retrieve odd lines from a file

[machoq1]

I have a file and i need to extract just the odd numbered files from it.
How can i do it ?

[Jean-Luc Oudart · Accepted solution]

try this :
awk '{if(t==0) {print $0; t=1;} else t=0;}' >

Regards
Jean-Luc

[A. Clay Stephenson]

Here's one way:

awk '{ if ((NR % 2) == 1) print; else next }' < infile > outfile

[Alan Meyer_4]

#!/bin/ksh
NUM=0
cat test.dat |while read LINE ;do
((NUM=NUM+1))
[ $NUM%2 -eq 1 ] && print $LINE
done

[Marvin Strong]

here is a perl solution.

perl -ne 'print if (($. % 2) == 1)' infile

[machoq1]

All of you guys are amazing....!