Can Readlines() go to next line after a Tab
gagsl-py2 at yahoo.com.ar
Wed Jun 27 03:36:23 CEST 2007
En Tue, 26 Jun 2007 22:16:56 -0300, <tim at preservedwords.com> escribió:
> I have a module based app that can load many modules at startup. The
> modules are text based with a '\t' separating the keyword from the
> definition. The app reads each module to extract the keywords, but
> because readlines() must read to the end of the current line to get to
> the next, the module loading is slow.
> Is there a way to have readlines() go to the next line when it finds a
> tab '\t' instead of a newline '\n'?
If the file is big, the very usage of readlines() slows the process. It
has to read the entire file into memory.
I'd use something like this instead:
for line in def_file:
tabpos = line.find("\t")
if tabpos>0: # >= if an empty keyword is allowed
keyword = line[:tabpos]
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