摘要:变量 为user 和 result法一: result=$hackobe@0[hackobe]$ user=hackobehackobe@0[hackobe]$ result=$hackobe@0[hackobe]$ echo $userhackobehackobe@0[hackobe]$ echo $resulthackobehackobe@0[hackobe]$ unset userhackobe@0[hackobe]$ res......
摘要:得到长度
代码:
%x="abcd"
#方法一
%expr length $x
4
# 方法二
%echo $
4
# 方法三
%expr "$x" : ".*"
4
# expr 的帮助
# string : regexp anchored pattern match of reg......
/proc/<pid>/stat各个字段的描述/proc/<pid>/stat各个字段的描述
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