basename: missing operand Try 'basename --help' for more information.
时间: 2024-04-05 19:30:44 浏览: 211
这似乎不是一个问题,而是一个命令行提示符。"basename: missing operand Try 'basename --help' for more information." 是一个表示在使用 "basename" 命令时未提供足够的参数的错误消息。"basename" 命令用于删除文件名中的目录路径,并返回只包含文件名的部分。如果您有任何关于命令行的疑问,可以问我,我会尽力回答。
相关问题
if [[ "$(basename "$file")" != *.gz ]]; then echo "The file is not a .gz file." fi 不存在时报 sh: EAST-2023-05-10.log.gz: unknown operand
这个错误可能是因为你的if语句缺少了一个"then"关键字,导致Shell无法正确解析语句。你需要在if语句的最后加上一个"then"关键字,例如:
```
if [[ "$(basename "$file")" != *.gz ]]; then
echo "The file is not a .gz file."
fi
```
另外,你也可以尝试使用双引号将*.gz包裹起来,例如:
```
if [[ "$(basename "$file")" != "*.gz" ]]; then
echo "The file is not a .gz file."
fi
```
这样也可以避免一些潜在的语法错误。希望能帮到你。
echo "Usage: 'basename $0'(--all|--ywyz|--dfss)"
As an AI language model, I cannot execute commands directly. However, the given command is a shell command that prints the usage instructions for a script or program. It expects the user to specify one of the three options: "--all", "--ywyz", or "--dfss" as a command-line argument when running the script. The "basename" command is used to extract the filename from the full path of the script.