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Togglecase

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To toggle the case of a character you can check whether the result of a toupper / tolower conversion is the same as before; if it is not, you have toggled the case of your character. (You really need to do this a character at a time, however.)

eg: in your .neditmacro:

define togglecase
{
s = $1
r = ""
for (i = 0, c = substring(s, i, i+1); \
     c != ""; \
     i++, c = substring(s, i, i+1))
   {
   if (toupper(c) != c)
      r = r toupper(c)
   else
      r = r tolower(c)
   }
return r
}

Now you do a little macro to, say, convert your selection:

replace_selection(togglecase(get_selection()))

or convert the next character and move on:

replace_range($cursor, $cursor+1, \
        togglecase(get_character($cursor)))
forward_character()

or to change the character behind the cursor:

replace_range($cursor, $cursor-1, \
        togglecase(get_character($cursor-1))).

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Released on Wed, 21 Nov 2001 by C. Denat

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