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function haxby::core::readlink {
# BSD readlink does not work with the args used in haxby
if readlink -f $HOME >/dev/null 2>&1
# System has gnu coreutils (probably)
: # noop
elif which greadlink >/dev/null 2>&1
# System as gnu coreutils installed, but to alternate names
function readlink {
greadlink $@
elif python -c 'import os,sys;print os.path.realpath(sys.argv[1])' / >/dev/null 2>&1
# System has no coreutils, use python
function readlink {
shift # Python does not need the -f option
python -c 'import os,sys;print os.path.realpath(sys.argv[1])' $@
echo "No usable method to discover canonical path found, exiting"
exit 1
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