How to name a file using a variable?

Projects Programming

Topic		Replies	Views	Activity
Help needed using sprintf to create a variable file name on an SD card Programming	5	3450	May 5, 2021
Using SD filenames derived in a program Storage	11	3153	May 6, 2021
Filename in SD.open Programming	5	756	May 5, 2021
String and Sd issue [HELP] Programming	13	2719	May 5, 2021
Fecha variable, como nombre de archivo SD Español	12	3945	May 6, 2021