WHILE...WEND

The Template:KW statement is used to repeat a block of statements while the condition is met.

Syntax

Template:KW condition

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Template:KW

Description

• condition is a numeric expression used to determine if the loop will execute.
• statements will execute repeatedly while condition is a non-zero value.
• EXIT WHILE can be used for emergency exits from the loop in QB64 only.
• A DO...LOOP can use the same DO WHILE condition to get the same results.
• WHILE loops only run if the WHILE condition is True.

Template:RelationalTable

Examples

Example 1: Reading an entire file. Example assumes the program has a file opened as #1

OPEN "Readme.txt" FOR INPUT AS #1 WHILE NOT EOF(1) _LIMIT 1 'limit line prints to one per second LINE INPUT #1, text$ IF INKEY$ = CHR$(27) THEN EXIT WHILE 'ESC key exits PRINT text$ WEND

Example 2: Clearing the keyboard buffer.

WHILE INKEY$ <> "" : WEND

See also

• DO...LOOP
• FOR...NEXT
• UNTIL (condition)
• _CONTINUE

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