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Full Discussion: Convert creates multiple files
Top Forums Shell Programming and Scripting Convert creates multiple files Post 303027169 by bakunin on Monday 10th of December 2018 10:34:47 AM
Old 12-10-2018
Quote:
Originally Posted by Kangol
GNU Trisquel 7.0 with Gnome Version 3.8.4running bash
Well, in this the bash version. You see why it is necessary to state your surroundings?

Code:
bakunin@host $ cat myconvert.sh
#! /bin/bash
local fIn="$1"
local chExt=".png"
fIn="${fIn#${chExt}}"

if ! [ -f "${fIn}.${chExt}" ; then
     echo "Cannot find file ${fIn}.${chExt}." >&2
     exit 1
fi
if convert "$fIn.$chExt" -crop 3000x4500 +repage -format png "${fIn}--cr.${chExt}" ; then
     rm "${fIn}-cr-1.${chExt}"
     rm "${fIn}-cr-2.${chExt}"
     rm "${fIn}-cr-3.${chExt}"
     mv "${fIn}-cr-0.${chExt}" "${fIn}-cr.${chExt}"
     exit 0
fi

exit $?

Quote:
Originally Posted by Kangol
The task is to understand how it is creating the additional files, what are they? Has anybody encountered them before?
I also want to understand if my image is created properly. Are the headers correct, offset etc
This is a question best asked an expert in picture processing. I have never used this (or any other picture processing) program at all.

I hope this helps.

bakunin
 

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LEARN ABOUT DEBIAN

rsvg

rsvg(1) 							   User Commands							   rsvg(1)

NAME

       rsvg - convert SVG files into raster images

SYNOPSIS

       rsvg  [--dpi  number]  [--format  png|jpeg] [--height integer] [--version] [--width integer] [--x-zoom number] [--y-zoom number] infile.svg
       outfile.png|outfile.jpeg

DESCRIPTION

       rsvg converts SVG images into PNG and JPEG raster images.

OPTIONS

       The following options are supported:

       --dpi number    Set the resolution of the image in pixels per inch. The default value is 90dpi. You can also use -d to specify this option.

       --format png | jSpecify the output format for the converted image. The default value is png. You can also use -f to specify this option.

       --height integerSpecify the height of the converted image. The default value is the height of the original image. You can also  use  -h	to
		       specify this option.

       --version       Display rsvg version information. You can also use -v to specify this option.

       --width integer Specify	the  width  of	the  converted image. The default value is the width of the original image. You can also use -w to
		       specify this option.

       --x-zoom number X Zoom factor, as a percentage. The default value is 1.0.  You can also use -x to specify this option.

       --y-zoom number Y Zoom factor, as a percentage. The default value is 1.0.  You can also use -y to specify this option.

OPERANDS

       The following operands are supported:

       infile.svg      The name of the input SVG file.

       outfile.png     The name of the converted PNG file.

       outfile.jpeg    The name of the converted JPEG file.

EXAMPLES

       Example 1: Converting an SVG Image to PNG

       example% rsvg myfile.svg myfile.png

       Example 2: Converting an SVG Image to JPEG at 300dpi Resolution

       example% rsvg -f jpeg -d 300 myfile.svg myfile.jpg

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       >0	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/rsvg	       Executable to convert SVG files into raster images

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-base-libs	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       http://librsvg.sourceforge.net/

       http://www.w3.org/TR/SVG11/

NOTES

       Original man page written by Dom Lachowicz (cinamod@hotmail.com), Alex Larsson (alex@redhat.com), and others.

       Updated by Laszlo Peter, Sun Microsystems Inc., 2004.

SunOS 5.10							    7 Sep 2004								   rsvg(1)
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