First of all, install symlinks if it is not installed : sudo yum install symlinks and here is the description: […] and the help for the same: […] symlinks: scan/change symbolic links – …

Here is a simple script that will list out all the paths in the PATH variable that do not exist.

$ strace php tias.php -e open,access 2>&1 | <a class="zem_slink freebase/en/grep" href="http://en.wikipedia.org/wiki/Grep" title="Grep" …

function sr() { declare pattern replacement name usage declare -i pvar=0 rvar=0 tvar=0 usage='usage: sr [-t ] [-n name] [-p pattern] [-r replacement] [– ] [dir1 dir2 …]' # cf. <a …