For example you have a .nc file with different dates (i.e. varying l values), and your coomands in ferret are like thisDear sarasariGenerally this dollar symbol following a number is used to avoid manual execution of commands.yes? use example.ncyes? fill prep[l=$1:$2@ave]these commands fill your area with intended months average value.for these commands to execute you have to typeyes? go dummy.jnl 10 20 ; this will average your prep values over 10th to 20th l values and plots.But as I understood from your query you have given number 4 directly, you have follow a serial 1 2 3 .........I think this will solve your problem.Manche shiva shankarNrsc, Hyderabad.On Wed, Oct 12, 2016 at 7:28 PM, 'sarasari206@xxxxxxxxx' via _OAR PMEL Ferret Users <ferret_users@xxxxxxxx> wrote:Hi all,I try to write a script and in the first line i write:
let q1 = $4But ferret shows an error of illigal character $...Do you have any idea?Thanks