#Bash 的 pathchk 命令

pathchk [OPTION]... [NAME]...

功能

检查文件名（路径）是否有效或可移植。

类型

可执行文件（/usr/bin/pathchk），属于 coreutils。

参数

OPTION 选项：
- -p - 检查文件名是否在大多数 POSIX 系统有效
- -P - 空的文件名和以 - 开头的文件名无效
- --portability - 检查是否在所有 POSIX 系统上有效；相当于 -p -P
- --help - 显示帮助
- --version - 显示版本
NAME - 文件名列表

返回值

0 - 所有文件名都通过了检查
1 - 存在某个文件名未通过检查

#示例

$ pathchk -p filename; echo $?
0
$ pathchk -p -- -filename; echo $?
0
$ pathchk -P -- -filename; echo $?
pathchk: leading '-' in a component of file name '-filename'
1

$? 表示上一个命令的返回值
-- 表示后面的参数不被当作选项

#推荐阅读

#手册

PATHCHK(1)                       User Commands                      PATHCHK(1)

NAME
       pathchk - check whether file names are valid or portable

SYNOPSIS
       pathchk [OPTION]... NAME...

DESCRIPTION
       Diagnose invalid or non-portable file names.

       -p     check for most POSIX systems

       -P     check for empty names and leading "-"

       --portability
              check for all POSIX systems (equivalent to -p -P)

       --help display this help and exit

       --version
              output version information and exit

AUTHOR
       Written by Paul Eggert, David MacKenzie, and Jim Meyering.

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright  ©  2023  Free Software Foundation, Inc.  License GPLv3+: GNU
       GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
       This is free software: you are free  to  change  and  redistribute  it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       Full documentation <https://www.gnu.org/software/coreutils/pathchk>
       or available locally via: info '(coreutils) pathchk invocation'

GNU coreutils 9.4                 April 2024                        PATHCHK(1)

#Bash 的 pathchk 命令

#示例

#推荐阅读

#手册

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