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Quick Reference

System Variables

MENUECHO

Sets menu echo and prompt control bits.

substr

Returns the substring of string, starting at character start and extending for

length characters.

$(substr,string, start[, length])

Characters in the string are numbered from 1. If length is omitted, it returns

the entire remaining length of the string.

Quick Reference

System Variables

MENUECHO

Sets menu echo and prompt control bits.

upper

Returns the string converted to uppercase according to the rules of the current

locale.

$(upper,string)

Quick Reference

System Variables

MENUECHO

Sets menu echo and prompt control bits.

342 | Chapter 5 DIESEL