On Sun, 06 Jan 2008 13:33:52 -0800, Francesco Pietra wrote: > Steven: > Thanks. See below please (of very marginal interest) > > --- Steven D'Aprano <[EMAIL PROTECTED]> wrote: > >> On Sun, 06 Jan 2008 09:21:33 -0800, Francesco Pietra wrote: >> >> > Please, how to adapt the following script (to delete blank lines) to >> > delete lines containing a specific word, or words? >> >> That's tricky, because deleting lines from a file isn't a simple >> operation. No operating system I know of (Windows, Linux, OS X) has a >> "delete line" function. > > As I am at Debian Linux, I do that with grep -v
grep doesn't delete lines. grep matches lines. If you want to delete them, you still have to do the rest of the job yourself. >> Secondly, you might want the script to write its output to a file, >> instead of printing. So, instead of the line "print line", you want it >> to write to a file. > > may be cumbersome, though I use 2>&1 | tee output file.pdb so that I > can see what happens on the screen and have the modified file. Yes, matching lines and sending them to stdout is a better solution than trying to delete them from a file. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
