Good morning to the community.

I would like to convert automatically categorical variables (names of industries) into letters.

Consumer, Cyclical > CC
Financial > F
Communications > C
Energy > E
Industrial > I
Communications > Co
Consumer, Non-Cyclical > CnC
Utilities > U
Technology > T


Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input str22 industry str3 var2
"Consumer, Cyclical"     "CC" 
"Financial"              "F"  
"Communications"         "C"  
"Energy"                 "E"  
"Industrial"             "I"  
"Communications"         "Co" 
"Industrial"             "I"  
"Industrial"             "I"  
"Consumer, Cyclical"     "CC" 
"Consumer, Cyclical"     "CC" 
"Consumer, Non-cyclical" "CnC"
"Utilities"              ""   
"Financial"              ""   
"Consumer, Cyclical"     ""   
"Financial"              ""   
"Technology"             ""   
"Communications"         ""   
"Consumer, Cyclical"     ""   
"Financial"              ""   
"Financial"              ""   
"Technology"             ""   
"Consumer, Non-cyclical" ""   
"Industrial"             ""   
"Financial"              ""   
"Financial"              ""   
"Industrial"             ""   
"Basic Materials"        ""   
"Communications"         ""   
"Industrial"             ""   
"Industrial"             ""   
"Consumer, Non-cyclical" ""   
"Utilities"              ""   
"Financial"              ""   
"Consumer, Cyclical"     ""   
"Consumer, Non-cyclical" ""   
"Industrial"             ""   
"Communications"         ""   
"Industrial"             ""   
"Basic Materials"        ""   
"Communications"         ""   
"Technology"             ""   
"Industrial"             ""   
"Financial"              ""   
"Financial"              ""   
"Consumer, Non-cyclical" ""   
"Technology"             ""   
"Consumer, Non-cyclical" ""   
"Consumer, Cyclical"     ""   
"Communications"         ""   
"Communications"         ""   
"Communications"         ""   
"Financial"              ""   
"Consumer, Non-cyclical" ""   
"Financial"              ""   
"Technology"             ""   
"Industrial"             ""   
"Industrial"             ""   
"Consumer, Non-cyclical" ""   
"Financial"              ""   
"Consumer, Cyclical"     ""   
"Communications"         ""   
"Basic Materials"        ""   
"Technology"             ""   
"Industrial"             ""   
"Industrial"             ""   
"Consumer, Non-cyclical" ""   
"Industrial"             ""   
"Consumer, Non-cyclical" ""   
"Consumer, Non-cyclical" ""   
"Financial"              ""   
"Consumer, Cyclical"     ""   
"Industrial"             ""   
"Communications"         ""   
"Technology"             ""   
"Utilities"              ""   
"Utilities"              ""   
"Consumer, Cyclical"     ""   
"Financial"              ""   
"Technology"             ""   
"Consumer, Cyclical"     ""   
"Communications"         ""   
"Industrial"             ""   
"Communications"         ""   
"Energy"                 ""   
"Utilities"              ""   
"Financial"              ""   
"Technology"             ""   
"Financial"              ""   
"Energy"                 ""   
"Financial"              ""   
"Consumer, Cyclical"     ""   
"Industrial"             ""   
"Consumer, Cyclical"     ""   
"Consumer, Cyclical"     ""   
"Consumer, Cyclical"     ""   
"Communications"         ""   
"Industrial"             ""   
"Industrial"             ""   
"Basic Materials"        ""   
"Utilities"              ""   
end
Thank you a lot.