#! /bin/bash

Input1="coc81_bootstrapped_ab_pairs.csv"
Input2="nasa93_bootstrapped_ab_pairs.csv"
Output1="coc81_1k.csv"
Output2="nasa93_1k.csv"
Output3="coc81_300.csv"
Output4="nasa93_300.csv"

gawk 'BEGIN{FS=",";OFS=" "}NR<=1000{print $1,$2}' $Input1 > $Output1
gawk 'BEGIN{FS=",";OFS=" "}NR<=1000{print $1,$2}' $Input2 > $Output2

gawk 'BEGIN{FS=",";OFS=" "}NR<=300{print $1,$2}' $Input1 > $Output3
gawk 'BEGIN{FS=",";OFS=" "}NR<=300{print $1,$2}' $Input2 > $Output4