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warning

Print a warning message.

Synopsis:

warning "message"

Arguments:

message

A quoted string which contains the warning message to print.

Description:

This command prints a warning message to the standard error, which is usually the shell window from which the program is called. This is particularly useful when you are programming your own aliases, and you want to provide a warning message. If the command is being processed in an init file, the quotes must be preceeded by a backslash.

Examples:

warning "The vector plot is already plotted."

See Also:

alias , defined , echo , error , if , progn


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