LiveCode Forums.

Posted: **Fri Aug 08, 2014 12:20 pm**

open file "d:\foo.txt"
write tResult to file "d:\foo.txt"

This gives no problem when "d:\foo.txt" is empty. But when foo.txt is not empty yet: how to script that file empty

Why I have to wait 5 seconds at least, when clicking edit script

Is there no other way to edit a script?
In my previous programmer live you could rightclick a button for that

Rob

Posted: **Fri Aug 08, 2014 2:39 pm**

You can simply write empty to the file. Please read the dictionary under the "write to file" command for the several options associated with this. Look closely at the comments, and experiment with these.

I edit controls by holding down "Cmd-Opt" and clicking on the control. You can also use the inspector, or execute a command "edit script of object...". I have no idea why there should be any delay. Which method are you using? The inspector? Anyone else ever see this delay?

Craig Newman

Posted: **Fri Aug 08, 2014 3:49 pm**

Use another method:

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put tResults into URL  "file:d:\foo.txt"

It will be the standard Livecode syntax.

Posted: **Fri Aug 08, 2014 5:51 pm**

Sorry,
both advises do not solve the problem.
In the dictionnary there is no such line to empty an opened file.
Rob

Posted: **Fri Aug 08, 2014 6:12 pm**

What happens if you close the file (with the "close file" command), open it, and then write to it?

Craig

Posted: **Fri Aug 08, 2014 7:51 pm**

robm80 wrote:In the dictionnary there is no such line to empty an opened file.

This way:

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put empty into url "file:d:\foo.txt"

Posted: **Fri Aug 08, 2014 8:13 pm**

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close file "d:\Livecode\Lijsten.txt"
   open file "d:\Livecode\Lijsten.txt"
   write empty to file "d:\Livecode\Lijsten.txt"

no reaction

Posted: **Sat Aug 09, 2014 12:37 am**

Hi Rob,
Just a small missing thing;

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 open file "c:\Livecode\Lijsten.txt" for write

Just change that line in the above code and it all works (with a close file as a last line).

Simon

Posted: **Sat Aug 09, 2014 3:58 am**

Both do it very well

Which one to choose

Lot of thanks
Rob

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