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LINE INPUT will now use the faster method if passed a file handle that has been opened FOR BINARY. As such, the _BLINEINPUT command has been removed. qb64.bas now takes advantage of this for reading from '$include files, at least in Include Manager 1. Some tweaking of internal/source/main.txt was required to get things into a sane state, so I'm holing off changing the compiler any further so the auto-builder can make sure everything's smoothed over. Note: Everything should still compile as normal; I'm just being overcautious.
43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
The '''RSET''' statement right-justifies a string according to length of the string expression.
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{{PageSyntax}}
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:: RSET string_variable = string_expression
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* If the ''string_expression'' is longer than a fixed length string variable the value is truncated from the right side in [[LSET]] or RSET.
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* If the ''string_expression'' is smaller than the fixed length, spaces will occupy the extra positions in the string.
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* RSET can be used with a [[FIELD]] or [[TYPE]] string definition to set the buffer position before a [[PUT]].
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''Example:''
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{{CodeStart}} '' ''
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{{Cl|CLS}}
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{{Cl|DIM}} thestring {{Cl|AS}} {{Cl|STRING}} * 10
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{{Cl|PRINT}} "12345678901234567890
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{{Cl|RSET}} thestring = "Hello!"
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{{Cl|PRINT}} thestring
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anystring$ = {{Cl|SPACE$}}(20)
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{{Cl|RSET}} anystring$ = "Hello again!"
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{{Cl|PRINT}} anystring$
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{{Cl|RSET}} thestring = "Over ten characters long"
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{{Cl|PRINT}} thestring '' ''
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{{CodeEnd}}
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{{OutputStart}}
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12345678901234567890
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Hello!
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Hello Again!
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Over ten c
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{{OutputEnd}}
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:''Explanation:'' Notice how "Hello!" ends at the tenth position because the length of ''thestring'' is 10. When we used SPACE$(20) the length of ''anystring$'' became 20 so "Hello Again!" ended at the 20th position. That is right-justified. The last line "Over ten c" is truncated as it didn't fit into ''thestring'''s length of only 10 characters.
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''See also:''
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* [[RTRIM$]], [[FIELD]]
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* [[LSET]], [[LTRIM$]]
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* [[PUT]], [[GET]]
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{{PageNavigation}} |