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Top Forums Shell Programming and Scripting expanding dotted paths to absolute ones in bash or sh Post 77779 by TanRanger on Tuesday 12th of July 2005 09:07:26 PM
Old 07-12-2005
It's a kludge...
It's a cheat...
It's portable...
And it works...
I love it!

I don't know why I didn't think of that little slight of hand. Maybe when I have 4000 posts, I'll think of them too.

With a little snugging up, the code plus the addition (plus the new comment) is now only one line longer than it was before. I think I can live with that. Smilie

P.S.: If anyone knows of a "real" answer, I'd still be glad to hear it. I'm pretty sure my code (and the modification) is portable so maybe it doesn't matter.

P.P.S.: Thanks from a fellow Rocvillian! Smilie
 

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symlink(4)						     Kernel Interfaces Manual							symlink(4)

NAME
symlink - symbolic link DESCRIPTION
A symbolic (or soft ) link is a file whose name indirectly refers (points) to a relative or absolute path name. During path name interpretation, a symbolic link to a relative path name is expanded to the path name being interpreted, and a symbolic link to an absolute path name is replaced with the path name being interpreted. Thus, given the path name If is a symbolic link to a relative path name such as the path name is interpreted as If is a symbolic link to an absolute path name such as the path name is interpreted as All symbolic links are interpreted in this manner, with one exception: when the symbolic link is the last component of a path name, it is passed as a parameter to one of the system calls: or (see readlink(2), rename(2), symlink(2), unlink(2), chown(2) and lstat(2)). With these calls, the symbolic link, itself, is accessed or affected. Unlike normal (hard) links, a symbolic link can refer to any arbitrary path name and can span different logical devices (volumes). The path name can be that of any type of file (including a directory or another symbolic link), and may be invalid if no such path exists in the system. (It is possible to make symbolic links point to themselves or other symbolic links in such a way that they form a closed loop. The system detects this situation by limiting the number of symbolic links it traverses while translating a path name.) The mode and ownership of a symbolic link is ignored by the system, which means that affects the actual file, but not the file containing the symbolic link (see chmod(1)). Symbolic links can be created using or (see ln(1) and symlink(2)). AUTHOR
was developed by HP and the University of California, Berkeley. SEE ALSO
cp(1), symlink(2), readlink(2), link(2), stat(2), mknod(1M). symlink(4)
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