no_min=1
no_max=65537
step=1

in=$HOME/tmp/one.tif
out=`basename $in .tif`

for no in `seq -w $no_min $step $no_max`; do

	gdal_translate -outsize $no $no $in ${out}_gt_${no}.tif
	gdalwarp -multi -ts $no $no $in ${out}_gw_${no}.tif
	
	ls -l ${out}_gt_${no}.tif | cut -d" " -f5 >> gdal_translate.txt
	ls -l ${out}_gw_${no}.tif | cut -d" " -f5 >> gdalwarp.txt 

	rm ${out}_gt_${no}.tif ${out}_gw_${no}.tif
done

#for i in `ls | grep gw | sort`; do ls -l $i | cut -d" " -f5; done > gdalwarp.txt
#for i in `ls | grep gt | sort`; do ls -l $i | cut -d" " -f5; done > gdal_translate.txt