Real time processing Post: 302604593

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Top Forums UNIX for Dummies Questions & Answers Real time processing Post 302604593 by Corona688 on Monday 5th of March 2012 11:41:17 AM

03-05-2012

Registered User

I presume you mean, whenever sam1 finishes, read from it? Will sam2 exist before sam1 finishes? If not, you can use that to detect when the files finish:

Code:

FILE=1
NEXTFILE=`expr $FILE + 1`

while true
do
        # If the next file doesn't exist, sleep a bit, and go back to top of loop
        if [ ! -e sam"$NEXTFILE" ]
        then
                sleep 1
                continue
        fi

        # Print message ( to stderr, so it doesn't end up in outputfile )
        echo "Reading from sam$FILE" >&2
        # Read from current file
        cat sam"$FILE"
        # Set up for next file
        FILE="$NEXTFILE"
        NEXTFILE=`expr $FILE + 1`
# All output gets written to outputfile
done > outputfile

Of course, the smart thing to do would be to not split it in the first place, and use the output direct...

Last edited by Corona688; 03-05-2012 at 12:46 PM..

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apple_dump

APPLE_DUMP(1)							   Netatalk 2.2 						     APPLE_DUMP(1)

NAME

       apple_dump - Dump AppleSingle/AppleDouble format file

SYNOPSIS

       apple_dump [-a] FILE | DIR
							  apple_dump -f FILE
							  apple_dump -d FILE
							  apple_dump -h | -help | --help
							  apple_dump -v | -version | --version

DESCRIPTION

       apple_dump dump AppleSingle/AppleDouble format file.

OPTIONS

       -a FILE|DIR
	   This is default. Dump a AppleSingle/AppleDouble file for FILE or DIR automatically. Extrapolate FinderInfo type from absolute path. If
	   FILE is not AppleSingle/AppleDouble format, look for .AppleDouble/FILE and ._FILE. If DIR, look for DIR/.AppleDouble/.Parent and ._DIR.

       -f FILE
	   Dump FILE. Assume FinderInfo to be FileInfo.

       -d FILE
	   Dump FILE. Assume FinderInfo to be DirInfo.

       -h, -help, --help
	   Display the help and exit

       -v, -version, --version
	   Show version and exit

NOTE

       There is no way to detect whether FinderInfo is FileInfo or DirInfo. By default, apple_dump examins whether file or directory, a parent
       directory is .AppleDouble, filename is ._*, filename is .Parent, and so on.

       If setting option -f or -d, assume FinderInfo and doesn't look for another file.

SEE ALSO

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