06-11-2012
Finding latest dir based on it's name (yyyymmdd)
Hi Folks,
As part of my application I need to find out what the latest directory based
on the name of that directory (not it's file system timestamp).
Example: I have a directory which contains below directories (each of while contains files etc)
20120000/
20120000/
latest (symbolic link to 20120000)
So in this case the latest directory is latest and 20120000
If a new directory called 20130000 gets created here then that would be the latest directory.
If another new directory called 20090000 gets created then that would NOT be the latest directory
Is there a handy way (using grep / awk / find etc) to check the latest based on the "yyyymmdd" pattern
of the directory name.
Any advice would be great
Thanks - Ro
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LEARN ABOUT OPENSOLARIS
volmgt_root
volmgt_root(3VOLMGT) Volume Management Library Functions volmgt_root(3VOLMGT)
NAME
volmgt_root - return the volume management root directory
SYNOPSIS
cc [ flag ... ] file ... -lvolmgt [ library ... ]
#include <volmgt.h>
const char *volmgt_root(void);
DESCRIPTION
This function is obsolete. The management of removable media by the Volume Management feature, including vold, has been replaced by soft-
ware that supports the Hardware Abstraction Layer (HAL). Programmatic support for HAL is through the HAL APIs, which are documented on the
HAL web site. See hal(5). The return value of this function is undefined.
The volmgt_root() function returns the current volume management root directory, which by default is /vol but can be configured to be in a
different location.
RETURN VALUES
The return from this function is undefined.
ERRORS
This function may fail if an open() of /dev/volctl fails. If this occurs a pointer to the default Volume Management root directory is
returned.
EXAMPLES
Example 1 Finding the Volume Management Root directory.
To find out where the volume management root directory is:
if ((path = volmgt_root()) != NULL) {
(void) printf("Volume Management root dir=%s
", path);
} else {
(void) printf("can't find Volume Management root dir
");
}
FILES
/dev default location for the volume management root directory
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
|Interface Stability |Obsolete |
+-----------------------------+-----------------------------+
SEE ALSO
cc(1B), open(2), volmgt_check(3VOLMGT), volmgt_inuse(3VOLMGT), volmgt_running(3VOLMGT), attributes(5), hal(5)
NOTES
This function returns the default root directory location even when volume management is not running.
SunOS 5.11 8 Mar 2007 volmgt_root(3VOLMGT)