cd /tmp; ctdir=/n/cwfs-sdE4/usr/glenda/cts
cd /tmp; day=20171210
cd /tmp; line=(SYM 20171210 20180310)
cd /tmp; fname=$ctdir/$line(1)/$day.cts
/20171210.cts: '/20171210.cts' directory entry not found
cd /tmp; fname=$ctdir/$line(1)^/$day.cts
cd /tmp; echo $fname
/n/cwfs-sdE4/usr/glenda/cts/SYM/20171210.cts
cd /tmp;