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SubjectRe: /proc/self/fd/0
Date
In linux.dev.kernel, article <Dy8xGn.A2o.0.omega-3@interaccess.com>,
rnichols@interaccess.com (Robert Nichols) writes:
>
> In article <Pine.LNX.3.94.960923170043.12594B-100000@nebland.cnweb.com>,
> Allen D. Harpham <aharpham@cnweb.com> wrote:
> :
> :#!/bin/sh
> :ln -s /proc/self/fd/0 /tmp/$$.html
> :/usr/bin/html2ascii/html-to-ascii.pl /tmp/$$.html|pr
> :rm /tmp/$$.html
>
> I don't see how that ever worked. Try changing the link to
> ln -s /proc/$$/fd/0 /tmp/$$.html
> ^^
> In the original, the link doesn't resolve to the same place for the
> child process as it does for the parent shell since "self" has changed.
>
But that should not matter because /proc/self/fd/0 is the same file
descriptor (stdin, after all, is inherited from the shell).

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