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September 28, 2018 03:43
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portable readlink_f implementation
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| readlink_f() { | |
| local _dir _path="$1" | |
| [ -d "$_path" ] && _path=$(cd "$_path"; pwd -P) | |
| while [ -L "$_path" ]; do | |
| _dir=$(dirname "$_path") | |
| _path=$(readlink "$_path") | |
| [ -n "${_path##/*}" ] && _path="${_dir}/${_path}" | |
| done | |
| [ -f "$_path" ] && _path="$(cd "$(dirname "$_path")"; pwd -P)/${_path##*/}" | |
| echo "${_path%/}" | |
| } |
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