size command
Synopsis
size <interface> <dev[:part]> <filename>
Description
The size command determines the size of a file and sets the environment variable filesize to this value. If filename points to a directory, the value is set to zero.
If the command fails, the filesize environment variable is not changed.
- dev
device number
- part
partition number, defaults to 1
- filename
path to file
Configuration
The size command is only available if CONFIG_CMD_FS_GENERIC=y.
Return value
The return value $? is set to 0 (true) if the command succeded and to 1 (false) otherwise.