How can I check if a variable is empty or not in tcsh Shell?

Question

IF I have to check that if a variable is empty or not for that in bash shell i can check with the following script:

if [ -z \"$1\" ] 
then
    echo \"variabl         


        

Answer 1

You can try this (found here):

set name
if ( ${%name} == 0 ) then
        echo " Variable name has 0 characters as value."
endif

Note that the person who posted this has the following signature:

Standard advice: avoid csh family for scripting.

Note: This will break if name is an environment variable.

setenv name foobar ; set name ; echo '+++'$name'+++' ; unset name ; echo '==='$name'==='

++++++
===foobar===