schwern

[alias]
        st = status
        ci = commit -v
        cii = commit -v --interactive
        cia = commit -v -a
        addi = add --interactive
        addchanged = add -u
        br = branch
        co = checkout
        diffwords = diff --word-diff

afair

Perl References

Simple Perl variables are called scalars. Examples of scalar values are

   $number      = 123;
   $string      = "String";
   $file_handle = open "<filename";
   $null_value  = undef;
 $instance = MyClass-&gt;new;