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20.12 Setting file owner and group ¶

Function: mbfl_file_enable_owner_and_group ¶

Declare the intention to use the programs required to change file owner and group. Declaring the intention to use a program

The programs are: chown, chgrp, stat.

To change the file owner and group one may request the use of sudo: just request a user before invoking the following function. Executing a program

Function: mbfl_file_set_owner OWNER PATHNAME OPT … ¶

Change the file owner for PATHNAME; OWNER must be in a form accepted by chown. The optional arguments OPT are handed to chown as options.

Function: mbfl_file_set_group GROUP PATHNAME OPT … ¶

Change the file group for PATHNAME; GROUP must be in a form accepted by chgrp. The optional arguments OPT are handed to chgrp as options.

Function: mbfl_file_get_owner PATHNAME ¶

Function: mbfl_file_get_owner_var _RV PATHNAME ¶

Print the owner of the file as symbolic name.

The function variant _var stores the result in the variable _RV, rather than print it; Result variables.

Function: mbfl_file_get_group PATHNAME ¶

Function: mbfl_file_get_group_var _RV PATHNAME ¶

Print the group of the file as symbolic name.

The function variant _var stores the result in the variable _RV, rather than print it; Result variables.

Function: mbfl_exec_chown ARG … ¶

Execute the program chown using the given optional arguments.

Function: mbfl_exec_chgrp PATHNAME OPT … ¶

Execute the program chgrp using the given optional arguments.