20 lines
214 B
Awk
20 lines
214 B
Awk
#
|
|
# depending on where a variable name appeared, a variable name can be
|
|
# a global variable or a named variable.
|
|
#
|
|
|
|
function fn ()
|
|
{
|
|
a = 20;
|
|
return a;
|
|
}
|
|
|
|
@global a;
|
|
|
|
BEGIN {
|
|
a = 30
|
|
print fn ()
|
|
print a
|
|
}
|
|
|