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Full Discussion: How To Rotate A File in HP-UX?
Operating Systems HP-UX How To Rotate A File in HP-UX? Post 302869603 by MadeInGermany on Wednesday 30th of October 2013 03:22:04 PM
Old 10-30-2013
You must update (restart, kill -HUP, ...) your application.
Read your application documentation.
Even logrotate would need such an action; a pre-rotate or post-rotate action.

Code:
man open

tells that the O_APPEND flag in open() jumps to the end of the (with the old file size) prior to every write.
Last edited by MadeInGermany; 10-30-2013 at 04:28 PM..
These 2 Users Gave Thanks to MadeInGermany For This Post:
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LEARN ABOUT DEBIAN

rotate

ROTATE(1)						      General Commands Manual							 ROTATE(1)

NAME

       rotate - Rotate, mirror, and transpose JPEG images (losslessly whenever possible)

SYNOPSIS

       rotate { options } file [ file ... ]

DESCRIPTION

       rotate  is  a  convenience frontend to jpegtran, allowing JPEG images to be rotated, mirrored, or transposed in several ways.  These opera-
       tions are conducted losslessly (i.e., no image recompression) and keep all EXIF metadata intact.

OPTIONS

       -f, -flip, --flip {horizontal | vertical}
	      horizontal: Mirror image horizontally (left-right).
	      vertical	: Mirror image vertically (top-bottom).

       -r, -rotate, --rotate {90 | 180 | 270}
	      90 : Rotate image 90 degrees clockwise.
	      180: Rotate image 180 degrees.
	      270: Rotate image 270 degrees clockwise (or 90 ccw).

       -tp, -transpose, --transpose
	      Transpose image (across UL-to-LR axis).

       -tv, -transverse, --transverse]
	      Transverse transpose (across UR-to-LL axis).

SEE ALSO

       jpegtran(1)

AUTHOR

       rotate  is  distributed	as  a  component  of  jigl,  written  by  Jason  Paul  <jigl@xome.net>.   Its	project   page	 is   located	at
       http://xome.net/projects/jigl/.

       This  manual page was adapted from the program help text by Nicholas Breen <nbreen@ofb.net> for the Debian project (but may be used by oth-
       ers).

								  October 8, 2006							 ROTATE(1)
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