Diogene87 Documentation: Command vc

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Command vc

NAME

Command vc :: Variable Count

SYNOPSIS

vc

DESCRIPTION

The vc returns the number of variables. vl can be used to get the variables list.

EXAMPLE

In this example, va is used to add two variables named `a_variable' and `another_variable'. vc and vl are used to print the number and the list of variables. The number of variables grows from 0 to 2.

$ dio87d -d
$ dio87c vc
0
$
$ dio87c va a_variable
$
$ dio87c vc
1
$ dio87c vl
a_variable
$
$ dio87c va another_variable
$
$ dio87c vc
2
$ dio87c vl
a_variable
another_variable
$

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