gdaltransform -s_srs EPSG:<source CRS code> -t_srs EPSG:<target CRS code>

gdaltransform -s_srs EPSG:4326 -t_srs EPSG:4267
-102.60930001 32.16984002  <-- user input

-102.608865426754 32.1697300184475

gdaltransform -s_srs EPSG:4326 -t_srs EPSG:4267 < input.csv > output.txt

-102.60930001, 32.16984002
-102.60350002, 32.14630999

-102.608865426754 32.1697300184475 0
-102.603066486342 32.1461989948827 0