#!/bin/sh
echo "install 1"
echo "install 2"
[ $? -eq 0 ] || exit $?;
cyberciti
[ $? -eq 0 ] || exit $?;
echo "install 3"
echo "install 4"
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上面的脚本在第4行(cyberciti
)处失败.在进行必要的更正后,如何跳过已经执行的命令,如何获取行号,并从该行开始重新运行脚本?