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Full Discussion: mmin not working in ksh
Top Forums Shell Programming and Scripting mmin not working in ksh Post 302338430 by Kumari Reshma on Tuesday 28th of July 2009 01:35:22 AM
Old 07-28-2009
Data mmin not working in ksh

We have created a unix shell script to read a datafiles from specific input directory in Unix.
Users will be copying datafiles to the same input unix directoty.
During Testing we observed Unix Shell Script also read the incomplete datafiles which is still copying by the users.
As per requirement Shell Script should not read files which is still being copied/written.

any commnds to differentiate files which is in writing mode?

currently i have used "ls *.csv" commnd in the script to list out all csv files which will be furhther veeing processed.But its also listing files which is still being copied/written.So i thought of differntiation such files by not selecting them for processing, to do so i can use mtime/mmin option.
mtime is good if i am slecting files which is not modified in hours.
but my requirement is not to slect files whose modified time is less than 5 minutes.So i would like to go for mmin.
i am using HP-UX(KSh) mmin is not working....
$ find . -name "14*.000" -type f -mmin +1
find: bad option -mmin

get this error
any idea hwy mmin is not working in HP-UX( Ksh )
 

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UUCP(1C)																  UUCP(1C)

NAME
uucp, uulog - unix to unix copy SYNOPSIS
uucp [ option ] ... source-file ... destination-file uulog [ option ] ... DESCRIPTION
Uucp copies files named by the source-file arguments to the destination-file argument. A file name may be a path name on your machine, or may have the form system-name!pathname where `system-name' is taken from a list of system names which uucp knows about. Shell metacharacters ?*[] appearing in the pathname part will be expanded on the appropriate system. Pathnames may be one of(1) a full pathname; (2) a pathname preceded by ~user; where user is a userid on the specified system and is replaced by that user's login directory; (3) anything else is prefixed by the current directory. If the result is an erroneous pathname for the remote system the copy will fail. If the destination-file is a directory, the last part of the source-file name is used. Uucp preserves execute permissions across the transmission and gives 0666 read and write permissions (see chmod(2)). The following options are interpreted by uucp. -d Make all necessary directories for the file copy. -c Use the source file when copying out rather than copying the file to the spool directory. -m Send mail to the requester when the copy is complete. Uulog maintains a summary log of uucp and uux(1) transactions in the file `/usr/spool/uucp/LOGFILE' by gathering information from partial log files named `/usr/spool/uucp/LOG.*.?'. It removes the partial log files. The options cause uulog to print logging information: -ssys Print information about work involving system sys. -uuser Print information about work done for the specified user. FILES
/usr/spool/uucp - spool directory /usr/lib/uucp/* - other data and program files SEE ALSO
uux(1), mail(1) D. A. Nowitz, Uucp Implementation Description WARNING
The domain of remotely accessible files can (and for obvious security reasons, usually should) be severely restricted. You will very likely not be able to fetch files by pathname; ask a responsible person on the remote system to send them to you. For the same reasons you will probably not be able to send files to arbitrary pathnames. BUGS
All files received by uucp will be owned by uucp. The -m option will only work sending files or receiving a single file. (Receiving multiple files specified by special shell characters ?*[] will not activate the -m option.) UUCP(1C)
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