montage: label images with part of filename

[stas_sl]

I would like to montage multiple files with names like these:

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1235_9123a46d52ecb2de.png
123_6a51ef8968c64b94.png
1269_a7059318d47dbc01.png
12_45fb8c628863d77a.png
1347_04355d15f39e1e06.png
1349_bcbad21a686712d1.png
1368_229b9d3f692fdd61.png
1369_f69c36e04ba37bcb.png
137_ec3571cde47f7b8a.png
...

I want to label each image with only part of filename before underscore _

If I use the following command

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montage -label %t * show:

then whole filename is displayed that is quite long. Is it possible to extract substring from filenames somehow?

[snibgo]

I don't think you can do this directly. You could write a script to first assign labels, then use those labels in a single montage. The script would execute multiple commands like:

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convert 1235_9123a46d52ecb2de.png -set label 1235 1235_9123a46d52ecb2de.png

Then:

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montage -label %l * show:

[stas_sl]

Thanks, snibgo, good idea!