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alvis/resolve_current_file_and_dir.sh

Created May 12, 2020 04:38
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A procedure for getting the resolved absolute path of current file and its containing directory
Raw
resolve_current_file_and_dir.sh
#!/bin/sh
CWD=`pwd -P`
TARGET_FILE=$0
cd `dirname $TARGET_FILE`
TARGET_FILE=`basename $TARGET_FILE`
# iterate down a (possible) chain of symlinks
while [ -L "$TARGET_FILE" ]
do
TARGET_FILE=`readlink $TARGET_FILE`
cd `dirname $TARGET_FILE`
TARGET_FILE=`basename $TARGET_FILE`
done
# compute the canonicalized name by finding the physical path
BASE=`pwd -P`
# cd back to the original working directory
cd $CWD
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