我可以在KornShell中获取当前脚本的绝对路径吗? [英] Can I get the absolute path to the current script in KornShell?

问题描述

是否可以找到KornShell(ksh)中当前正在执行的脚本的完整路径?

Is it possible to find out the full path to the script that is currently executing in KornShell (ksh)?

即如果我的脚本在/opt/scripts/myscript.ksh中，我可以在该脚本中以编程方式发现/opt/scripts/myscript.ksh吗?

i.e. if my script is in /opt/scripts/myscript.ksh, can I programmatically inside that script discover /opt/scripts/myscript.ksh ?

谢谢

推荐答案

您可以使用:

## __SCRIPTNAME - name of the script without the path
##
typeset -r __SCRIPTNAME="${0##*/}"

## __SCRIPTDIR - path of the script (as entered by the user!)
##
__SCRIPTDIR="${0%/*}"

## __REAL_SCRIPTDIR - path of the script (real path, maybe a link)
##
__REAL_SCRIPTDIR=$( cd -P -- "$(dirname -- "$(command -v -- "$0")")" && pwd -P )

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