[Bug 999207] Re: what is the operative readlink command?

[Ralph Corderoy]

When running the ./install script it seems to me that readlink works
correctly, do you agree?

Running readlink at the command line and passing it $0 might result in
the errors you are seeing depending on the value of $0.  Please try

    printf '<%s>\n' "$0"
    readlink -f -- "$0"

The pasting of your terminal session above is a bit corrupted;
readlink's errors appear on the same line as your command.  It helps us
if we see precisely what you entered and saw in response.  So for the
above, I see

    $ printf '<%s>\n' "$0"
    </bin/bash>
    $ readlink -f -- "$0"
    /bin/bash
    $

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https://bugs.launchpad.net/bugs/999207

Title:
  what is the operative readlink command?

Status in “coreutils” package in Ubuntu:
  Incomplete

Bug description:
  I stumlbed accross a problem where a script  kept failing when running the readlink command.
  It did not like the use of the -f flag which is supported in the man page.   I got past the problem using  /usr/lib/klibc/bin/readlink   found through a search of the system.  More details can be found in the forum using the tag "readlink". 
  What is going on with the readlink command?

  Ubuntu 12.04 (precise)
  2.6.38-8-generic
  Intel(R) Core(TM) i5 CPU         650  @ 3.20GHz

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