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Write variable to a text file and append newline
Source position: system.fpd line 71
procedure WriteLn( |
V1: Type1 |
); |
V1: Type1; |
V2: type2 |
); |
V1: Type1; |
V2: Type2; |
V3: Type3 |
); |
var F: Text; |
V1: Type1 |
); |
var F: Text; |
V1: Type1; |
V2: type2 |
); |
var F: Text; |
V1: Type1; |
V2: Type2; |
V3: Type3 |
); |
WriteLn does the same as Write for text files, and emits a Carriage Return - LineFeed character pair after that. If the parameter F is omitted, standard output is assumed. If no variables are specified, a newline character sequence is emitted, resulting in a new line in the file F.
| Remark: | The newline character is determined by the slinebreak constant. |
| Remark: | When writing string variables, no codepage conversions are done. The string is copied as-is to the file descriptor. In particular, for console output, it is the programmer's responsibility to make sure that the codepage of the string matches the codepage of the console. |
If an error occurs, a run-time error is generated. This behavior can be controlled with the {$I} switch.
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Write variable to a text file |
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Read from a text file into variable |
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Read from a text file into variable and goto next line |
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Write data from memory to an untyped file |
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Alias for LineEnding |
Program Example75; { Program to demonstrate the Write(ln) function. } Var F : File of Longint; L : Longint; begin Write ('This is on the first line ! '); { No CR/LF pair! } Writeln ('And this too...'); Writeln ('But this is already on the second line...'); Assign (f,'test.tmp'); Rewrite (f); For L:=1 to 10 do write (F,L); { No writeln allowed here ! } Close (f); end.