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Full Discussion: For loop sequence issue
Top Forums Shell Programming and Scripting For loop sequence issue Post 302438469 by rss0213 on Monday 19th of July 2010 10:59:06 PM
Old 07-19-2010
Yes, rdc.... you're on the right track. This was the actual solution that I went with:

Code:
   cd $IMGPATH
   for file in $(ls | sort -n); do
      count=$((count + 1))
      count_str=$(printf "%04d" $count)
      mv $file $LBOX$DATEDIR$count_str"0.tif"
   done

The problem was that the transactions in the csv file had the tif images listed as 1.tif, 2.tif, 3.tif, ..., n.tif, but the previous code was sorting them as 1.tif, 10.tif, 100.tif, etc. So the 2nd transaction in the output csv referenced the 10th tif image, the 3rd referenced the 100th tif image, and so on.

It has to do with the way unix sorts (collates) values in a "for i in *.tif..." looping scenario. If one needs to have the numeric portion of the file names to maintain their sequence value, then my code above works.

Thanks for everyone's help.
 

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LEARN ABOUT HPUX

rgb2ycbcr

rgb2ycbcr(1)							   User Commands						      rgb2ycbcr(1)

NAME

       rgb2ycbcr - convert non-YCbCr TIFF images to YCbCr TIFF images

SYNOPSIS

       rgb2ycbcr [options] src1.tif [src2.tif...] dest.tif

DESCRIPTION

       rgb2ycbcr converts RGB color, grayscale, or bi-level TIFF images to YCbCr images by transforming and sampling pixel data. If multiple files
       are specified on the command line, each source file is converted to a separate directory in the destination file.

       By default, chrominance samples are created by sampling 2 by 2 blocks of luminance values, and output data files are  compressed  with  the
       LZW  compression scheme, with each strip no more than 8 kilobytes. These characteristics can be overridden or explicitly specified with the
       options described below.

OPTIONS

       The following options are supported:

       -c	       Specify a compression scheme to use when writing image data:

		       -c jpeg		       Baseline JPEG compression algorithm.

		       -c lzw		       Lempel-Ziv and Welch algorithm. This is the default algorithm.

		       -c none		       No compression.

		       -c packbits	       PackBits compression algorithm.

       -h	       Set the horizontal sampling dimension to one of the following: 1, 2, or 4. The default value is 2.

       -r	       Write data with a specified number of rows per strip. By default, the number of rows per strip is  selected  so	that  each
		       strip is approximately 8 kilobytes.

       -v	       Set the vertical sampling dimension to one of the following: 1, 2, or 4. The default value is 2.

OPERANDS

       The following operands are supported:

       src.tif	       The name of the input file that contains non-YCbCr TIFF data.

       dest.tif        The name of the output file that contains YCbCr TIFF data.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWTiff			   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       tiffinfo(1), tiffcp(1), libtiff(3)

NOTES

       Updated by Breda McColgan, Sun Microsystems Inc., 2004.

SunOS 5.10							    26 Mar 2004 						      rgb2ycbcr(1)
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