hmmm ... it returns :
---
$?
when I do this commant on one exec() :
p = r.exec("cd /usr/local/cai; ./inocucmd -SEC -NEX /tmp/zavirovany.pif;
echo $?");
ti returns nothing ...
jdk is IBM JDK 1.3 ...
<citováno kdo="Rakesh Menon">
> Change the code to :
>
> String line = in.readLine();
> while (line != null) {
> ress = "<br>" + line;
> line = in.readLine();
> }
>
> There is only one line to read, and its already read in
> while(in.readLine() != null). After this, even if you try to read again
> using in.readLine(), it will try to read next line, which is null. I
> suggest to use ress as StringBuffer, if you expect more than 1 line and
> use ress.append("<br>" + line).
>
> Hope this helps...
> Thanks
> Rakesh
>
> -----Original Message-----
> From: Jiri Chaloupka [mailto:[EMAIL PROTECTED]]
> Sent: Monday, January 27, 2003 2:54 PM
> To: [EMAIL PROTECTED]
> Subject: trouble with readin value from Runtime.exec(cmd)
>
>
> Hallo,
> I have shell program, which I must call and read its output. On the
> console it print some output to console and has some *return value*.
> This return value I must read back to java:
>
> The part of code is:
> ****************************
> String ress = "---";
> Process p = null;
> try{
> Runtime r = Runtime.getRuntime();
> p = r.exec("cd /usr/local/cai; ./inocucmd -SEC -NEX /tmp/file.pif;
> echo $?");
> BufferedReader in = new BufferedReader(new
> InputStreamReader(p.getInputStream()));
>
> while (in.readLine() != null) {
> ress = "<br>"+in.readLine();
> }
> in.close();
> }catch(Exception et){
> out.println("Fail: "+et.toString());
> }
> out.println("<br>result is: "+ress+"<br>");
> ***************************************************************
> but there is no value ... (in.readLine() conatins null)
>
> Is there anything what I not comprehed good? or where can be way?
>
> Thanks
> Jiri
>
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--
Jiri Chaloupka
B2BExpander.com
[EMAIL PROTECTED]
**********************************************
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