En Wed, 20 Jun 2007 22:28:06 -0300, [EMAIL PROTECTED] <[EMAIL PROTECTED]> escribió: > On Jun 20, 7:50 pm, "Gabriel Genellina" <[EMAIL PROTECTED]> > wrote: >> En Wed, 20 Jun 2007 20:02:52 -0300, [EMAIL PROTECTED] >> <[EMAIL PROTECTED]> escribió: >> > On Jun 20, 1:46 pm, "Gabriel Genellina" <[EMAIL PROTECTED]> >> > wrote: >> >> >> cmd = ["gawk", "-f", "altertime.awk", "-v", "time_offset=4", "-v", >> >> "outfile=testdat.sco", "i1.sco"] >> >> Now, what do you want to do with the output? Printing it line by >> line? >> >> output = subprocess.Popen(cmd, >> stdout=subprocess.PIPE).communicate()[0] >> >> lines = output.splitlines() >> >> for line in lines: >> >> print line >> >> > C:\dex_tracker\pipe1.py >> > Traceback (most recent call last): >> > File "C:\dex_tracker\pipe1.py", line 14, in >> > last_line = subprocess.Popen([cmd], >> > stdout=subprocess.PIPE).communicate()[0] >> > File "C:\Python25\lib\subprocess.py", line 593, in __init__ >> > errread, errwrite) >> > File "C:\Python25\lib\subprocess.py", line 793, in _execute_child >> > startupinfo) >> > WindowsError: [Error 2] The system cannot find the file specified >> > Script terminated. >> >> > I can write it out as a batch file and then run it but that is a messy >> > hack.. >> >> If cmd is a list of arguments, like the example above, you should use >> subprocess.Popen(cmd,...) (like the example above, too). > > I had cut and pasted the example in to get that error... could it be > a problem with ms windows??? (I am at a library computer befour work > so that ended my testing)
Note the call to subprocess.Popen - is the first argument [cmd] or cmd? What do you get with print repr(cmd)? Do you have gawk installed on that machine too? -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
