Hi,
I understand that for security and other reasons that javascript does
not support writing/reading
to text files. I am looking for a way that will however.
This is what i am trying to do. I want to develop a simple html page
that is run locally on a windows
2000 box in IE. The page will have a browse button to select a source
folder, either locally or a network
computer on same lan. A destination folder, either locally or a network
computer on same lan
These two paths will be written to a text file.
Then the page has two fields, A and B. Both A and B have their own
'Add' Buttons. So I would
enter a number into either field A or B and hit add.
Then the whole form has a Reset and Submit Button. So once I was done
entering all the data into
all fields, I would hit submit and create a text file from it.
I made this quickly to give an idea http://www.largeprojections.com/js/page1.htm
One thing i would like to do is display all the data I have entered,
so once I select the Source folder,
it displays on the page. Likewise with the data in Fields A and B once
I add it.
So the page may look like this http://www.largeprojections.com/js/page2.htm
It wouldn't have to look or behave just like this, but just a way for me
to see what has been entered.
so then it creates a text file and all the values need to be separated
by a comma, so the end result
would be
data.txt
-----------------------------------------------------------------------------------
Source, F:\pictures\pho tos,
Destination, \\Chuckwhite\c\ My Shared Folder,
A, 394859, 493029, 584920, 938934, 843234, 839238, 950535, 3438595,
349450, 239405, 839049,
930499, 039483,
B, 304893, 930984, 930945, 948404, 340594, 483920, 849302, 483920,
849472, 138594, 039483,
585048, 9302938, 893849, 9304849, 938403, 823940, 734892, 83749, 847433,
-------------------------------------------------------------------------------------
Any help or suggestions on how to do this is appreciated,
Chuck 6 8223
chuck clark hu kiteb: Hi, I understand that for security and other reasons that javascript does not support writing/reading to text files. I am looking for a way that will however.
Eh? I thought you just that you understood it to be impossible.
--
--
Fabian
Visit my website often and for long periods! http://www.lajzar.co.uk
chuck clark wrote: Hi, I understand that for security and other reasons that javascript does not support writing/reading to text files. I am looking for a way that will however. This is what i am trying to do. I want to develop a simple html page that is run locally on a windows 2000 box in IE. The page will have a browse button to select a source folder, either locally or a network computer on same lan. A destination folder, either locally or a network computer on same lan These two paths will be written to a text file. Then the page has two fields, A and B. Both A and B have their own 'Add' Buttons. So I would enter a number into either field A or B and hit add. Then the whole form has a Reset and Submit Button. So once I was done entering all the data into all fields, I would hit submit and create a text file from it. I made this quickly to give an idea http://www.largeprojections.com/js/page1.htm
One thing i would like to do is display all the data I have entered, so once I select the Source folder, it displays on the page. Likewise with the data in Fields A and B once I add it. So the page may look like this http://www.largeprojections.com/js/page2.htm It wouldn't have to look or behave just like this, but just a way for me to see what has been entered.
so then it creates a text file and all the values need to be separated by a comma, so the end result would be data.txt -----------------------------------------------------------------------------------
Source, F:\pictures\pho tos, Destination, \\Chuckwhite\c\ My Shared Folder, A, 394859, 493029, 584920, 938934, 843234, 839238, 950535, 3438595, 349450, 239405, 839049, 930499, 039483, B, 304893, 930984, 930945, 948404, 340594, 483920, 849302, 483920, 849472, 138594, 039483, 585048, 9302938, 893849, 9304849, 938403, 823940, 734892, 83749, 847433, ------------------------------------------------------------------------------------- Any help or suggestions on how to do this is appreciated, Chuck
I know that Hyper Text Applications (HTA) allow you to override a lot of
security features... and I _thought_ you could write files with it, but
I am not sure. It only works with IE, but it sounds like that with your
requirements, this might not be a problem.
I know that MSDN has minimal documentation for the HTA technology. I
also know that there are a few other platform-specific technologies that
do this type of thing, but I cant think of them off the top of my head.
They end up being extensions.
Brian
"Brian Genisio" <Br**********@y ahoo.com> wrote in message news:40******** @10.10.0.241... chuck clark wrote:
Hi, I understand that for security and other reasons that javascript does not support writing/reading to text files. I am looking for a way that will however. This is what i am trying to do. I want to develop a simple html page that is run locally on a windows 2000 box in IE. The page will have a browse button to select a source folder, either locally or a network computer on same lan. A destination folder, either locally or a network computer on same lan These two paths will be written to a text file. Then the page has two fields, A and B. Both A and B have their own 'Add' Buttons. So I would enter a number into either field A or B and hit add. Then the whole form has a Reset and Submit Button. So once I was done entering all the data into all fields, I would hit submit and create a text file from it. I made this quickly to give an idea http://www.largeprojections.com/js/page1.htm
One thing i would like to do is display all the data I have entered, so once I select the Source folder, it displays on the page. Likewise with the data in Fields A and B once I add it. So the page may look like this http://www.largeprojections.com/js/page2.htm It wouldn't have to look or behave just like this, but just a way for me to see what has been entered.
so then it creates a text file and all the values need to be separated by a comma, so the end result would be data.txt -----------------------------------------------------------------------------------
Source, F:\pictures\pho tos, Destination, \\Chuckwhite\c\ My Shared Folder, A, 394859, 493029, 584920, 938934, 843234, 839238, 950535, 3438595, 349450, 239405, 839049, 930499, 039483, B, 304893, 930984, 930945, 948404, 340594, 483920, 849302, 483920, 849472, 138594, 039483, 585048, 9302938, 893849, 9304849, 938403, 823940, 734892, 83749, 847433, ------------------------------------------------------------------------------------- Any help or suggestions on how to do this is appreciated, Chuck
I know that Hyper Text Applications (HTA) allow you to override a lot of security features... and I _thought_ you could write files with it, but I am not sure. It only works with IE, but it sounds like that with your
HTA DOES allow read/write to the local file system.... http://msdn.microsoft.com/workshop/a...taoverview.asp
requirements, this might not be a problem.
I know that MSDN has minimal documentation for the HTA technology. I also know that there are a few other platform-specific technologies that do this type of thing, but I cant think of them off the top of my head. They end up being extensions.
Brian
Hi,
Fabian wrote: chuck clark hu kiteb:
Hi, I understand that for security and other reasons that javascript does not support writing/reading to text files. I am looking for a way that will however.
Eh? I thought you just that you understood it to be impossible.
He never said it was impossible. He said that JavaScript does not
support it, which is correct (at least client-side JavaScript). However,
there are possibilities, using Java classes or ActiveX technology (which
is not JavaScript, but which can be scripted).
However, the security model of browsers often blocks this, at least in
normal security conditions.
Hereunder an example that I use with local HTML files or HTA applications.
Laurent
CExplorer.ALERT 001 = "This method works only in Netscape 4.* "
+ "and Internet Explorer";
CExplorer.ALERT 002 = "The file already exists, overwrite?";
CExplorer.ALERT 003 = "This method works only on Windows platforms.";
CExplorer.saveT extFile = function( strFullPath, strContent, bOverwrite )
{
if ( ( navigator.appNa me != "Netscape" )
&& ( navigator.appNa me != "Microsoft Internet Explorer" ) )
{
alert( CExplorer.ALERT 001 );
return;
}
if ( ( navigator.appNa me == "Netscape" )
&& ( parseFloat( navigator.appVe rsion ) >= 5 ) )
{
alert( CExplorer.ALERT 001 );
return;
}
if ( navigator.platf orm.indexOf( "Win" ) == -1 )
{
alert( CExplorer.ALERT 003 );
return;
}
if ( navigator.appNa me.indexOf( "Netscape" ) == -1 )
{
var fso = new ActiveXObject( "Scripting.File SystemObject" );
if ( bOverwrite
|| !fso.FileExists ( strFullPath )
|| confirm( CExplorer.ALERT 002 ) )
{
var flOutput = fso.CreateTextF ile( strFullPath, true );
flOutput.Write( strContent );
flOutput.Close( );
return true;
}
else
{
return false;
}
}
else
{
netscape.securi ty.PrivilegeMan ager.enablePriv ilege(
"UniversalFileR ead" );
var flCheck = new java.io.File( strFullPath );
if ( bOverwrite
|| !flCheck.exists ()
|| confirm( CExplorer.ALERT 002 ) )
{
netscape.securi ty.PrivilegeMan ager.enablePriv ilege(
"UniversalFileW rite" );
var fsOutput = new java.io.FileOut putStream( strFullPath );
var flOutput = new java.io.DataOut putStream( fsOutput );
flOutput.writeB ytes( strContent );
flOutput.flush( );
fsOutput.close( );
return true;
}
else
{
return false;
}
}
}
--
Laurent Bugnion, GalaSoft
Software engineering: http://www.galasoft-LB.ch
Private/Malaysia: http://mypage.bluewin.ch/lbugnion
Support children in Calcutta: http://www.calcutta-espoir.ch
"Laurent Bugnion, GalaSoft" <ga*********@bl uewin.ch> wrote in message news:<40******* ***@news.bluewi n.ch>... Hi,
Fabian wrote:
chuck clark hu kiteb:
Hi, I understand that for security and other reasons that javascript does not support writing/reading to text files. I am looking for a way that will however.
Eh? I thought you just that you understood it to be impossible.
He never said it was impossible. He said that JavaScript does not support it, which is correct (at least client-side JavaScript). However, there are possibilities, using Java classes or ActiveX technology (which is not JavaScript, but which can be scripted).
However, the security model of browsers often blocks this, at least in normal security conditions.
Hereunder an example that I use with local HTML files or HTA applications.
Laurent
CExplorer.ALERT 001 = "This method works only in Netscape 4.* " + "and Internet Explorer"; CExplorer.ALERT 002 = "The file already exists, overwrite?"; CExplorer.ALERT 003 = "This method works only on Windows platforms.";
CExplorer.saveT extFile = function( strFullPath, strContent, bOverwrite ) { if ( ( navigator.appNa me != "Netscape" ) && ( navigator.appNa me != "Microsoft Internet Explorer" ) ) { alert( CExplorer.ALERT 001 ); return; }
if ( ( navigator.appNa me == "Netscape" ) && ( parseFloat( navigator.appVe rsion ) >= 5 ) ) { alert( CExplorer.ALERT 001 ); return; }
if ( navigator.platf orm.indexOf( "Win" ) == -1 ) { alert( CExplorer.ALERT 003 ); return; }
if ( navigator.appNa me.indexOf( "Netscape" ) == -1 ) { var fso = new ActiveXObject( "Scripting.File SystemObject" );
if ( bOverwrite || !fso.FileExists ( strFullPath ) || confirm( CExplorer.ALERT 002 ) ) { var flOutput = fso.CreateTextF ile( strFullPath, true ); flOutput.Write( strContent ); flOutput.Close( ); return true; } else { return false; } } else { netscape.securi ty.PrivilegeMan ager.enablePriv ilege( "UniversalFileR ead" );
var flCheck = new java.io.File( strFullPath );
if ( bOverwrite || !flCheck.exists () || confirm( CExplorer.ALERT 002 ) ) { netscape.securi ty.PrivilegeMan ager.enablePriv ilege( "UniversalFileW rite" ); var fsOutput = new java.io.FileOut putStream( strFullPath ); var flOutput = new java.io.DataOut putStream( fsOutput );
flOutput.writeB ytes( strContent );
flOutput.flush( ); fsOutput.close( ); return true; } else { return false; } } }
You could add more branches and then use JavaScript via XPCOM to read
or write to local files in Mozilla and Netscape 7. Check out the
following link for details: http://www.faqts.com/knowledge_base/...d/23360/fid/53 This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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