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How to merge images at the command line with ImageMagick

No change in size, 19:42, 20 July 2021
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This is a quick article on how to merge a set of images, under Linux, at the command line using the '''convert''' command of [https://imagemagick.org/index.php ImageMagick].
To merge a set of images into a horizontal line, use the '''+-append''' flag with '''convert'''. Here is an example:<pre>convert a*.png +-append arow.png</pre>
To merge a set of images into a vertical line, use the '''-+append''' flag with '''convert'''. Here is an example:<pre>convert b*.png -+append bcolumn.png</pre>
Source: https://stackoverflow.com/a/21325493/11034541