#!/bin/sh

filename=stim1.txt
tr=3.5

for cond in b1 b2 ; do
  times=`grep ${cond} $filename | awk '{print $3}'`
  for t in $times ; do
    tsec=`echo $t \* $tr | bc`
    echo "$tsec 30.0 1.0" >> stim1_${cond}.txt
  done
done