Pstext input

I have a catalog of historical earthquakes as a lon-lat-depth-mag-date text file and I wish to plot the date strings near the earthquake locations on a map. Can I use the same file for both psxy and pstext, by skipping depth and mag columns for pstext ? And how to tell pstext which columns to use or skip ?

Probably with -i which specifies the column you’re interested in (to consider the first and 3rd column : -i0,2)

Thanks for the suggestion ! Looking at -i option, I realized that the -it option is what I want.

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I have had more than 1200 students over the last 30 years. I remember a few Guillaumes among them ! And I love SuperDupont, one of my favorite characters in the Rubrique-à-brac !

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