 sugethw key=fldr,sx,sy,year,day,hour,minute,sec output=ascii < $1.su | \
 grep fldr | sed 's/=/	/g' | sed 's/ //g' | \
 awk '{FS="	"} {OFS="	"} {printf "%5s	%6s	%10s	%10s	%4s	%3s:%2s:%2s:%2s\n", \
 line,$2,$4,$6,$8,$10,$12,$14,$16} ' line=$1 - > ../nav/$1.temp.txt

awk '{if(!($2 % 500)) print;}' ../nav/$1.temp.txt > ../nav/$1_500.sht
rm ../nav/$1.temp.txt 
