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#Linux#tips 如何在 shell 脚本中判断软件是否存在 if ! command -v <the_command> &> /dev/null then echo "<the_command> could not be found." exit 1 fi via. lhunath@stackoverflow
#Linux#tips 如何在 shell 脚本中判断软件是否存在 if ! command -v <the_command> &> /dev/null then echo "<the_command> could not be found." exit 1 fi via. lhunath@stackoverflow