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shell 字符串长度
? shell ?
2019-09-10 15:18:37
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gua_l
? shell ?
</br> </br> #### 包含行首尾的空格 ``` echo ${#Massage} ``` #### 不包含行首尾的空格 ``` echo $Massage | awk '{print length($0)}' ``` </br> #### 示例 ``` [lcf@huangbei ~]$ Massage=" Usage: $0 \${RELEASE_NOTE_FULL_PATH} " [lcf@huangbei ~]$ echo ${#Massage} 39 [lcf@huangbei ~]$ echo $Massage | awk '{print length($0)}' 37 ``` ``` [lcf@huangbei ~]$ Massage="Usage: $0 \${RELEASE_NOTE_FULL_PATH}" [lcf@huangbei ~]$ echo ${#Massage} 37 ```
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