[原] Bash Script 显示其自身位置

 1 SOURCE="${BASH_SOURCE[0]}"
 2 BIN_DIR="$( dirname "$SOURCE" )"
 3 while [ -h "$SOURCE" ]
 4 do
 5   SOURCE="$(readlink "$SOURCE")"
 6   [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
 7   BIN_DIR="$( cd -P "$( dirname "$SOURCE"  )" && pwd )"
 8 done
 9 BIN_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
10 LIB_DIR=$BIN_DIR/../lib
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原文地址：https://www.cnblogs.com/JulyZhang/p/3179610.html