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In shell programming, the shell file with relative path is referenced

2022-04-23 18:14:00 【The hunter is eating meat】

There are two in the same directory shell file ： xxutil.sh、main.sh.
Under normal circumstances main.sh Use in xxutil.sh The contents are as follows ：

main.sh ：

source  ./xxutil.sh

# ...
# ...

perform command sh main.sh, normal , No problem .

however , If In other directories , Use absolute commands perform main.sh when , Will throw out ： Can't find xxutil.sh Errors in documents .

The solution is as follows ：

DIRNAME=$0
if [ "${DIRNAME:0:1}" = "/" ];then
    CURDIR=`dirname $DIRNAME`
else
    CURDIR="`pwd`"/"`dirname $DIRNAME`"
fi
#echo $CURDIR

source $CURDIR/xxutil.sh

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