作业帮sed命令:some_var='echo $some_var | sed -e s/ \\\./ \\\\\\\./g' 7个斜杠some_var='echo $some_var | sed -e s/ [$]/ \\\\\\\\$/g' 8个斜杠
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/29 19:16:39
![sed命令:some_var='echo $some_var | sed -e s/ \\\./ \\\\\\\./g' 7个斜杠some_var='echo $some_var | sed -e s/ [$]/ \\\\\\\\$/g' 8个斜杠](/uploads/image/z/11397468-12-8.jpg?t=sed%E5%91%BD%E4%BB%A4%3Asome_var%3D%27echo+%24some_var+%7C+sed+-e+s%2F+%5C%5C%5C.%2F+%5C%5C%5C%5C%5C%5C%5C.%2Fg%27+7%E4%B8%AA%E6%96%9C%E6%9D%A0some_var%3D%27echo+%24some_var+%7C+sed+-e+s%2F+%5B%24%5D%2F+%5C%5C%5C%5C%5C%5C%5C%5C%24%2Fg%27+8%E4%B8%AA%E6%96%9C%E6%9D%A0)
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sed命令:some_var='echo $some_var | sed -e s/ \\\./ \\\\\\\./g' 7个斜杠some_var='echo $some_var | sed -e s/ [$]/ \\\\\\\\$/g' 8个斜杠
sed命令:some_var='echo $some_var | sed -e s/ \\\./ \\\\\\\./g' 7个斜杠
some_var='echo $some_var | sed -e s/ [$]/ \\\\\\\\$/g' 8个斜杠
sed命令:some_var='echo $some_var | sed -e s/ \\\./ \\\\\\\./g' 7个斜杠some_var='echo $some_var | sed -e s/ [$]/ \\\\\\\\$/g' 8个斜杠
s/\\\./\\\\\\\./g 表示把’\.‘替换为'\\\.'
因为“\”和“.”自身有转义的意思,\\表示去除第二个\的特殊含义,\.表示去除.的特殊含义.所以\\\.实际传给sed的直是\.
下面的那个也是这样