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Full Discussion: How to find & auto resize images?
Top Forums Shell Programming and Scripting How to find & auto resize images? Post 302909157 by mirni on Tuesday 15th of July 2014 02:59:20 AM
Old 07-15-2014
No, you don't have it correctly. There are a couple problems with your line:
1. convert takes 2 filenames:
Code:
convert <inputfile> <outputfile>

If you want to perform the operation on the same file, use mogrify instead.
Note that this will overwrite the original file!

2. You are not passing the filenames that find prints to convert. This is done using {}. E.g.
Code:
 find . -type f -name "*.jpg" -exec convert -resize '>736' {} {}.resized \;

But that will keep the suffix, so file image.jpg will become image.jpg.resized.
When renaming with find, it is safer and more convenient to create a script and then do -exec myscript.sh {} \; on a whole set of files.
At first your script can echo the command you are going to run, then you verify the terminal output that it looks right, test it on one or few files and then run it on the whole set.

If you are sure you want to overwrite your inputs, just use mogrify:
Code:
find . -type f -name ..... -exec mogrify -resize '>736' {} \;


I don't know what '>736' specifier means. I assume you got that correct.
This User Gave Thanks to mirni For This Post:
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LEARN ABOUT CENTOS

jpgicc2

JPEGICC(1)						      General Commands Manual							JPEGICC(1)

NAME

       jpegicc - little cms ICC profile applier for JPEG.

SYNOPSIS

       jpegicc [options] input.jpg output.jpg

DESCRIPTION

       lcms is a standalone CMM engine, which deals with the color management.	It implements a fast transformation between ICC profiles.  jpegicc
       is little cms ICC profile applier for JPEG.

OPTIONS

       -b     Black point compensation.

       -c <0,1,2,3>
	      Precalculates transform. (0=Off, 1=Normal, 2=Hi-res, 3=LoRes) [defaults to 1]

       -g     Marks out-of-gamut colors on softproof.

       -h <0,1,2>
	      Show summary of options and examples.

       -i profile
	      Input profile (defaults to sRGB).

       -m <0,1,2,3>
	      SoftProof intent.

       -n     Ignore embedded profile.

       -p profile
	      Soft proof profile

       -o profile
	      Output profile (defaults to sRGB).

       -q <0..100>
	      Output JPEG quality.

       -t <0,1,2,3>
	      Intent (0=Perceptual, 1=Colorimetric, 2=Saturation, 3=Absolute).

       -v     Verbose.

EXAMPLES

       To color correct from scanner to sRGB:
	    jpegicc -iscanner.icm in.jpg out.jpg

       To convert from monitor1 to monitor2:
	    jpegicc -imon1.icm -omon2.icm in.jpg out.jpg

       To make a CMYK separation:
	    jpegicc -oprinter.icm inrgb.jpg outcmyk.jpg

       To recover sRGB from a CMYK separation:
	    jpegicc -iprinter.icm incmyk.jpg outrgb.jpg

       To convert from CIELab ITU/Fax JPEG to sRGB
	    jpegicc -iitufax.icm in.jpg out.jpg

NOTES

       For suggestions, comments, bug reports etc. send mail to info@littlecms.com.

SEE ALSO

       tifficc(1), icc2ps(1), icclink(1), icctrans(1), wtpt(1)

AUTHOR

       This manual page was written by Shiju p. Nair <shiju.p@gmail.com>, for the Debian project.

								September 30, 2004							JPEGICC(1)
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