Lines Matching refs:expression
5 # Note the fine distinction between a variable and an expression.
7 # expression of the form ${VAR}. This is a simple
8 # expression. Expressions can get more complicated by adding
11 # XXX: Strictly speaking, variable modifiers should be called expression
12 # modifiers instead since they only modify the expression, not the variable.
40 # A defined variable may appear as an expression of its own.
49 # The :U modifier turns an undefined expression into a defined expression.
50 # Since the expression is defined now, it doesn't generate any parse error.
72 # A defined variable may appear as an expression of its own.
82 # If the value of the expression is a number, it is compared against
91 # If the value of the expression is not a number, any non-empty
119 # An expression in a condition must not be based on an undefined variable,
131 # An expression in a comparison must not be undefined and have modifiers.
139 # The left-hand side of a comparison must not be an undefined expression with
148 # The right-hand side of a comparison must not be an undefined expression with
Indexes created Sun Oct 12 20:09:57 GMT 2025