> "infidel" <[EMAIL PROTECTED]> (i) wrote:
>i> .readlines() won't return until it hits end-of-file, but the "man"
>i> command waits for user input to scroll the content, like the "more" or
>i> "less" commands let you view "pages" of information on a terminal.
man shouldn't wait for user input
many thanks to all the fellows who cared to answer!
bye
max
--
http://mail.python.org/mailman/listinfo/python-list
> but... i see it doesn't work for some commands, like "man python" (it
> gets stuck on the "if" line)...
.readlines() won't return until it hits end-of-file, but the "man"
command waits for user input to scroll the content, like the "more" or
"less" commands let you view "pages" of information on
In article <[EMAIL PROTECTED]>,
"max(01)*" <[EMAIL PROTECTED]> wrote:
> in perl i can do this:
...
> but i do not know how to do it in python, because "if *command*:" gives
> syntax error.
>
> moreover, if i use
...
> it doesn't work, since "*do_something*" and *do_something_more* are
> always
max(01)* enlightened us with:
> but i need to check the success/failure of the external command
> *before* closing the file!
You can't, unless you have a more intimite knowledge of the command
involved. If you know, for instance, that any output on stderr means
an error, you can check for just tha
max(01)* wrote:
> infidel wrote:
>
>> Here's one technique I use to run an external command in a particular
>> module:
>>
>> stdin, stdout, stderr = os.popen3(cmd)
>> stdin.close()
>> results = stdout.readlines()
>> stdout.close()
>> errors = stderr.readline
infidel wrote:
> Here's one technique I use to run an external command in a particular
> module:
>
> stdin, stdout, stderr = os.popen3(cmd)
> stdin.close()
> results = stdout.readlines()
> stdout.close()
> errors = stderr.readlines()
> stderr.close()
bruno modulix wrote:
> max(01)* wrote:
>
>>hi.
>
>
> (snip)
>
>
>>it doesn't work, since "*do_something*" and *do_something_more* are
>>always executed (it seems like
>>
>>MYPIPE = os.popen("*some_system_command*", "r")
>>
>>does not raise any exception even if *some_system_command* does not
>
Here's one technique I use to run an external command in a particular
module:
stdin, stdout, stderr = os.popen3(cmd)
stdin.close()
results = stdout.readlines()
stdout.close()
errors = stderr.readlines()
stderr.close()
if errors:
r
max(01)* wrote:
> hi.
(snip)
> it doesn't work, since "*do_something*" and *do_something_more* are
> always executed (it seems like
>
> MYPIPE = os.popen("*some_system_command*", "r")
>
> does not raise any exception even if *some_system_command* does not
> exist/work...
>
> any help?
http://
hi.
in perl i can do this:
...
if (open (MYPIPE, "*some_system_command* |"))
{
...
*do_something*
...
while ($answer = )
{
print $answer;
}
...
*do_something_more*
...
}
else
{
...
*do_something_else*
...
}
...
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