Delphi Tfilestream Read Text File
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If you want to read one character after another do not use PChar, simply declare a Char variable. This takes care of memory allocation, which you. I'm a college student (UK) using delphi for my A2 Computing project. I'm really not very advanced so please bear with me! OK, so I'm using TStringList to save the.
I'm a college student (UK) using delphi for my A2 Computing project. I'm really not very advanced so please bear with me! OK, so I'm using TStringList to save the contents of a TMemoBox to a textfile after encrypting it.
However, this wasn't possible due to TStringList showing showing a linebreak after the message which messed up the encryption. I followed article, which uses both TStringList and TFIleStream to remove this, but instead of giving me a full textfile, the result is empty. Please could you help save the data rather than not storing it at all? Thanks a lot. Here is a part of my procedure. Var EmailText: TStringList; FileStream: TFileStream; begin FileName:= 'email1.txt'; EmailText:= TStringList.Create; FileStream:= TFileStream.Create(Filename, fmCreate); EmailText.SaveToStream(FileStream, EmailText.Encoding); FileStream.Size:= FileStream.Size - Length(System.sLineBreak); EmailText.Add(EmailMessageMemo.Text); FileStream.Free; EmailText.Free. EmailText:= TStringList.Create; // new string list, empty FileStream:= TFileStream.Create(Filename, fmCreate); EmailText.SaveToStream(FileStream, EmailText.Encoding); So you have saved an empty string list to a file.
So your file is consequently empty, because your string list is empty. I guess you intended to add the content to the string list before you saved it. EmailText:= TStringList.Create; EmailText.AddStrings(EmailMessageMemo.Lines); FileStream:= TFileStream.Create(Filename, fmCreate); EmailText.SaveToStream(FileStream, EmailText.Encoding); The extra string list is needless though. You can do it like this: FileStream:= TFileStream.Create(Filename, fmCreate); EmailMessageMemo.Lines.SaveToStream(FileStream, TEncoding.Default); I'd also like to point out, as I have done on so many other occasions, that encryption operates on binary rather than text. Of course, if you weren't trying to treat text as binary and vice versa, then you would not suffer from stray line break text.
Java Read Text File
I'm using the tfilestream to read a text file. This is my code: procedure TForm1.Button1(Sender: TObject); var s:pchar; fs:Tfilestream; i,l:longint; begin fs:=tfilestream.create('c: test.txt',fmOpenRead); // text file l:=fs.size; // lenght of the text file sligne:='; for i:=1 to l do begin s:='; l:=fs.read(s^,1); end; fs.free; end; I have any problem when I run this program from the Delphi 5 IDE. But I can't read any charracter when I'm launching the EXE file from the Windows Explorer or the Start-Run. What's the problem? Pascal Vrancken, BIPT E-mail: vranc.@bipt.be.
Read Text File Php
Quote I'm using the tfilestream to read a text file. This is my code: procedure TForm1.Button1(Sender: TObject); var s:pchar; fs:Tfilestream; i,l:longint; begin fs:=tfilestream.create('c: test.txt',fmOpenRead); // text file l:=fs.size; // lenght of the text file sligne:='; for i:=1 to l do begin s:='; l:=fs.read(s^,1); end; fs.free; end; I have any problem when I run this program from the Delphi 5 IDE. But I can't read any charracter when I'm launching the EXE file from the Windows Explorer or the Start-Run. What's the problem? Pascal Vrancken, BIPT E-mail: vranc.@bipt.be.