BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  write string to file          BorlandTalk.com Forum Index -> C++ Builder (Language C++) View previous topic :: View next topic   Author Message Cenk Guest Posted: Thu Feb 23, 2006 4:03 pm    Post subject: write string to file hi, i wanna get the string from listbox then write it to a file but gives error! FILE * pFile; String str = ListBox1->Items->Strings[0]; pFile = fopen ("indicator.txt","wt+"); fputs(str,pFile); fclose (pFile); Back to top Liz Albin Guest Posted: Thu Feb 23, 2006 4:03 pm    Post subject: Re: write string to file On Thu, 23 Feb 2006 17:05:21 +0200, Cenk wrote: Quote: hi, i wanna get the string from listbox then write it to a file but gives error! FILE * pFile; String str = ListBox1->Items->Strings[0]; pFile = fopen ("indicator.txt","wt+"); fputs(str,pFile); fclose (pFile); fputs() takes a char *, try str.c_str(). Or, of course, try using Strings::SaveToFile and writing the whole thing at once. -- liz Back to top Alan Bellingham Guest Posted: Thu Feb 23, 2006 4:03 pm    Post subject: Re: write string to file "Cenk" <cenk1536 (AT) yahoo (DOT) com> wrote: Quote: hi, i wanna get the string from listbox then write it to a file but gives error! FILE * pFile; String str = ListBox1->Items->Strings[0]; pFile = fopen ("indicator.txt","wt+"); fputs(str,pFile); fclose (pFile); Ah, yes. It so happens that "indicator.txt" is an illegal filename under the 8.3 MS-DOS file naming system. Oh, that's not what you think the error may be? Well, how are we to know - you've not described any symptoms at all? You've not said which line indicates the error. In future, rather than just saying "but gives error", tell us WHAT THE ERROR ACTUALLY IS! Otherwise, it's so much harder to help. Alan Bellingham -- ACCU Conference 2006 - 19-22 April, Randolph Hotel, Oxford, UK Back to top Vladimir Stefanovic Guest Posted: Thu Feb 23, 2006 4:03 pm    Post subject: Re: write string to file This line: fputs(str,pFile); Replace with this: fputs(str.c_str(),pFile); Quote: i wanna get the string from listbox then write it to a file but gives error! Always provide us the error message you got -- Best Regards, Vladimir Stefanovic Back to top Cenk Guest Posted: Thu Feb 23, 2006 4:03 pm    Post subject: Re: write string to file Quote: FILE * pFile; String str = ListBox1->Items->Strings[0]; pFile = fopen ("indicator.txt","wt+"); fputs(str,pFile); fclose (pFile); Could not find a match for fputs (AnsiString,FILE *) Call to undefined function fputs Back to top Cenk Guest Posted: Thu Feb 23, 2006 5:03 pm    Post subject: Re: write string to file how to write them line by line? Back to top Cenk Guest Posted: Thu Feb 23, 2006 5:03 pm    Post subject: Re: write string to file thanks folks god bless Back to top Vladimir Stefanovic Guest Posted: Thu Feb 23, 2006 8:03 pm    Post subject: Re: write string to file Quote: how to write them line by line? ListBox1->Items->SaveToFile( ExtractFilePath( ParamStr( 0 ) ) + "somefile.txt" ); -- Best Regards, Vladimir Stefanovic Back to top Remy Lebeau (TeamB) Guest Posted: Thu Feb 23, 2006 8:03 pm    Post subject: Re: write string to file "Cenk" <cenk1536 (AT) yahoo (DOT) com> wrote in message news:43fdd696$1 (AT) newsgroups (DOT) borland.com... Quote: Could not find a match for fputs (AnsiString,FILE *) You need to use the AnsiString's c_str() method to get a pointer to the raw character data: String str = ListBox1->Items->Strings[0]; FILE *pFile= fopen("indicator.txt", "wt+"); if( pFile ) { fputs(str.c_str(), pFile); // <-- here fclose(pFile); } Gambit Back to top Cenk Guest Posted: Thu Feb 23, 2006 10:03 pm    Post subject: Re: write string to file how to read from the file i just wrote into? FILE * pFile; FILE * rFile; int index,i,pos; String str_w,str_r; index = ListBox1->Items->Count; index = index -1; pFile = fopen ("cenkom.txt","w+t"); for (i = 1;i<= index ;i++) { str_w = ListBox1->Items->Strings[i]; pos = str_w.Pos(' '); str_w = str_w.SubString(pos+1,7); str_w = str_w +"\n"; fputs(str_w.c_str(),pFile); } //rFile = fopen ("cenk.txt" , "r"); if (pFile == NULL) perror ("Error opening file"); else { while (!feof(pFile)) { ShowMessage (fgets (str_r.c_str() , 255 , pFile)); } } //fclose (rFile); fclose (pFile); Back to top Liz Albin Guest Posted: Fri Feb 24, 2006 5:03 am    Post subject: Re: write string to file On Thu, 23 Feb 2006 18:16:59 +0200, Cenk wrote: Quote: how to write them line by line? Iterate through the array, write each line. But, I repeat, using SaveToFile would be more sensible -- liz Back to top Liz Albin Guest Posted: Fri Feb 24, 2006 5:03 am    Post subject: Re: write string to file On Thu, 23 Feb 2006 22:42:06 +0200, Cenk wrote: Quote: how to read from the file i just wrote into? 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