John W. Krahn wrote: > John W. Krahn wrote: >> Chen Yue wrote: >> >>> I have a file containing UNIX-styled Path in each line. But the path is >>> simplified enough. Some of them has ".." and "." in the middle, such as >>> "/a/b/./c/../d". Now I want to simplify each Path according to Unix >>> tradition. >>> >>> /a/b/./c/../d -> /a/b/d >>> >>> The only way I could think out is to split the path and reconstruct >>> them in >>> reverse order. But I don't think it is a smart solution. Is there a quick >>> way to employ regexp or a library to fix this? >> $ perl -le'$_ = q[/a/b/./c/../d]; print; s![^/]+/\.\./|\./!!g; print' >> /a/b/./c/../d >> /a/b/d > > Or better: > > $ perl -le'$_ = q[/a/b/./c/../d]; print; 1 while s![^/]+/\.\./!!; 1 > while s!\./!!; print' > /a/b/./c/../d > /a/b/d
Doesn't allow for e.g. ../../a/b/./c/../d Rob -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
