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Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.If a better user interface is needed, a custom input routine should be used. Input has a limited edit capacity: it allows to erase characters using the backspace key. Numeric values are converted using methods similar to the procedures Val and ValLng, using the most appropriate function for the number format, converting as many numeric characters as possible. the user presses enter before inputting all values), the remaining variables will be initialized - numeric variables to zero ( 0), and string variables to the empty string ( " "). If more values are read than are listed in the variable list, extra values will be ignored if fewer values are read (i.e. The optional leading semicolon ( ) after Input is similar to the optional trailing semicolon in a Print statement: the cursor will remain on the same line after all of the characters have been echoed, otherwise, the cursor will move to the beginning of the next line. If no prompt is specified, characters are echoed at the current cursor location. The prompt - if any - is written to the screen at the current cursor location, and characters read are echoed to the screen immediately following the prompt. If an input string has a comma in it, it must be wrapped in quotes ( ".") to prevent it being split up.įor inputting to a single string without delimiting, Line Input should be used instead. Surrounding whitespace will be trimmed from string values. If there is more than one value in the input list, then the input line will be split up by scanning for delimiters - commas ( ,) after strings, or commas and whitespace after numbers. Characters are echoed to the screen as they are typed. Numerical values are converted from their string representation into the corresponding types in the variable list. Reads a list values from the keyboard up until the first carriage return.
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