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Shell Programming and Scripting
Combine two files using script
Post 302769619 by surender reddy on Tuesday 12th of February 2013 11:14:23 PM
02-13-2013
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LEARN ABOUT DEBIAN
r8tohdf
R8TOHDF(1) General Commands Manual R8TOHDF(1) NAME
r8tohdf - convert 8-bit raster images to HDF format SYNOPSIS
r8tohdf [number-of-rows number-of-columns] output-filename [-p palette-filename] [-c] [-r] [-i] raw-raster-image-filename-1, raw-raster- image-filename-2, ... DESCRIPTION
r8tohdf converts a set of raw raster images to the HDF RIS8 format and writes them to a file. OPTIONS
-p pallette-file Specify the name of the palette file. -c Run length coding. Compress the output data using run-length encoding. -i IMCOMP Compression. Compress the output data using the IMCOMP method. -r No Compression. Apply no compression to the output data. (the default). EXAMPLES
A file named "rawras" contains a 256 x 512-byte raw raster image, and its palette is stored in a file name "mypal". To convert the informa- tion in these files to an RIS8 without compression and store the RIS8 in a file named "ras.hdf", enter the following r8tohdf command: r8tohdf 256 512 ras.hdf -p mypal rawras A 800 x 1000-byte raw raster image is stored in a file named "bigpic". This data must be converted to a RIS8 without a palette, compress- ing it using run-length encoding, then stored in a file named "bigpic.hdf". The following command will do this: r8tohdf 800 1000 bigpic.hdf -c bigpic A 300 x 400 raw raster image is contained in each of the files named "pic1", "pic2", and "pic3". To convert all three files to RIS8s, com- press them using the IMCOMP method, and store them in a file named "pic.hdf", enter r8tohdf 300 400 pic.hdf -i pic1 pic2 pic3 Different types of raster image data are to be stored in a file named "ras.hdf". The image data in the file "rawras1" will be stored with- out a palette. The image data sets from the file named "rawras2" are to be stored with a palette extracted from a file named "mypal". The images from the "rawras1" and "rawras2" files are to be compressed using run-length encoding, and the image in the "rawras3" file is not to be compressed. The size of all images are 256 x 512 bytes. The following command is used to do this: r8tohdf 256 512 ras.hdf -c rawras1 -p mypal rawras2 -r rawras3 SEE ALSO
hdftor8(1), hdf(5) November 6, 1999 R8TOHDF(1)