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# LogiView

## Function 'strupper'

| This function is used to convert a character string into upper-case letters.
| ### Syntax:
| {STR_VAR}= strupper({STR_EXPR})
| ### I/O parameters:
| {STR_EXPR} | Character string to be converted.
| - |
| ### Return values:
| {STR_VAR} | Converted character string.
| ### Example:
| Declaration of Variables
     10 ask(DOCU_STRING_1,"Enter a word!")
     20 DOCU_STRING_2 = strupper(DOCU_STRING_1)
     30 put(strcat(DOCU_STRING_1,"=>",DOCU_STRING_2))
| Result:
| Functions and commands: Editing Strings