Class luci.sys
Functions
| call (...) | Execute a given shell command and return the error code |
| dmesg () | Retrieves the output of the "dmesg" command. |
| exec (command) | Execute a given shell command and capture its standard output |
| getenv (var) | Retrieve environment variables. |
| hostname (String) | Get or set the current hostname. |
| httpget (url, stream, target) | Returns the contents of a documented referred by an URL. |
| mounts () | Retrieve information about currently mounted file systems. |
| reboot () | Initiate a system reboot. |
| syslog () | Retrieves the output of the "logread" command. |
| uniqueid (bytes) | Generates a random id with specified length. |
| uptime () | Returns the current system uptime stats. |
Functions
- call (...)
-
Execute a given shell command and return the error code
Parameters
- ...: Command to call
Return value:
Error code of the command - dmesg ()
-
Retrieves the output of the "dmesg" command.
Return value:
String containing the current log buffer - exec (command)
-
Execute a given shell command and capture its standard output
Parameters
- command: Command to call
Return value:
String containing the return the output of the command - getenv (var)
-
Retrieve environment variables. If no variable is given then a table
containing the whole environment is returned otherwise this function returns
the corresponding string value for the given name or nil if no such variable
exists.
Parameters
- var: Name of the environment variable to retrieve (optional)
Return values:
- String containing the value of the specified variable
- Table containing all variables if no variable name is given
- hostname (String)
-
Get or set the current hostname.
Parameters
- String: containing a new hostname to set (optional)
Return value:
String containing the system hostname - httpget (url, stream, target)
-
Returns the contents of a documented referred by an URL.
Parameters
- url: The URL to retrieve
- stream: Return a stream instead of a buffer
- target: Directly write to target file name
Return value:
String containing the contents of given the URL - mounts ()
-
Retrieve information about currently mounted file systems.
Return value:
Table containing mount information - reboot ()
-
Initiate a system reboot.
Return value:
Return value of os.execute() - syslog ()
-
Retrieves the output of the "logread" command.
Return value:
String containing the current log buffer - uniqueid (bytes)
-
Generates a random id with specified length.
Parameters
- bytes: Number of bytes for the unique id
Return value:
String containing hex encoded id - uptime ()
-
Returns the current system uptime stats.
Return value:
String containing total uptime in seconds