获取给定文件或目录的绝对路径
- 作者: 取用户名就要有内涵
- 来源: 51数据库
- 2022-08-17
#!/bin/sh
### change relative path to absolute path
### or get absolute path of a file
### return HOME of current account if no parameter given
function get_fullpath()
{
_PWD=`pwd`
if [ -d $1 ]; then
cd $1
elif [ -f $1 ]; then
cd `dirname $1`
else
cd
fi
echo $(cd ..; cd -)
cd ${_PWD} >/dev/null
}
### test
FILEARRAY="/root/ /root / ./../../not_exist_file ../../ . .. "
for FILE in ${FILEARRAY}
do
PATH=`get_fullpath ${FILE}`
echo "path of <${FILE}> is <${PATH}>"
done
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