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Syntax expr expression... Description: Each token of the expression must be a separate argument. Operands are either numbers or strings. `expr' coerces anything appearing in an operand position to an integer or a string depending on the operation being applied to it.
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Syntax expr expression Options Operators are listed below in order of increasing precedence. Operators with equal precedence are grouped within { } symbols. expr1 | expr2 Returns the evaluation of expr1 if it is neither an empty string nor zero;
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Expr - Wikipedia, the free encyclopedia
expr is a command line Unix utility which evaluates an expression and outputs the corresponding value. Syntax: expr (expression) expr evaluates integer or string expressions, including pattern m...
en.wikipedia.org/wiki/Expr |
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The set of arguments passed to expr constitutes an expression to be evaluated. Each command argument is a separate token of the expression. expr writes the result of the expression on the standard output. This command is primarily intended for arithmetic and string manipulation on KornShell variables.
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Watches Cell Phone Deals Business Services Apartments Video Games Job Search Homes for Sale Dating Services Pet Supply ... Expr Used Cars Gift Ideas Chat Rooms Sporting Goods Gift Baskets Banking Airline Tickets Book Stores...
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expr - Evaluate an expression ... expr 8.2 + 6 ... only one of [a] or [b] will actually be evaluated, depending on the value of $v. Note, however, that this is only true if the entire expression is enclosed in braces; otherwise the Tcl parser will evaluate both [a] and [b] before invoking the expr command.
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