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Canonical absolute path

/ Published in: Bash
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The following shell function returns the canonicalised abolute path of a file. It resolves symbolic links, /./ and /../ as applicable. This was adapted from various sources. Related snippets on snipplr are [Find absolute path of Bash script](http://snipplr.com/view/16715/find-absolute-path-of-bash-script/) and [Get current script name and absolute paths](http://snipplr.com/view/9508/get-current-script-name-and-absolute-paths/).

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  1. function canonpath () 
  2. { 
  3.     echo $(cd $(dirname $1); pwd -P)/$(basename $1)
  4. }

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