rm -f conversion && tree -fi | grep .tif | awk -F. '{print

> "convert@@@."$2"."$3"@@@png:."$2".png"}' | sed -e 's/ /\\ /g' | sed -e

> 's/@@@/ /g' | sed -e 's/(/\\(/g' | sed -e 's/)/\\)/g' > conversion &&

> chmod 755 conversion && conversion && rm -f conversion=20

>

> Actually, it works, but I am surprised I had to build this command in

> order to apply "convert" to files in a tree. I went through the whole

> archive of this list, and the topic never surfaced. Am I missing

> something, or is directory recursion something that should be added to

> the imagemagick commands ?

>

> Explanation of the script :

> - "rm -f conversion" : erases any existing temporary file.

> - "&&" means "execute the following command if the preceding one

> finished successfully".

> - "tree -fi" : prints all the files in the directory with full path.

> - "| grep .tif" : from the output of the preceding command, filter only

> the ones containing ".tif"

> - "| awk -F. '{print "convert@@@."$2"."$3"@@@png:."$2".png"}'" : using

> the output of the preceding command, write the actual command such as

> "convert file.tif png:file.png".

> - The bunch of sed commands are there because the awk blurb actually

> does not produce the desired output and it must be massaged a bit.

> - "> conversion" dumps the resulting command lines in a temporary file.

> - "chmod 755 conversion && conversion && rm -f conversion" makes the

> temporary file executable, executes it and then deletes it.

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