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qb64/programs/samples/misc/rot13.bas
Luke Ceddia b586eafd3b Integrated _BLINEINPUT into regular LINE INPUT for BINARY files
LINE INPUT will now use the faster method if passed a file handle
that has been opened FOR BINARY. As such, the _BLINEINPUT command
has been removed.

qb64.bas now takes advantage of this for reading from '$include files,
at least in Include Manager 1. Some tweaking of internal/source/main.txt
was required to get things into a sane state, so I'm holing off changing
the compiler any further so the auto-builder can make sure everything's
smoothed over.

Note: Everything should still compile as normal; I'm just being overcautious.
2014-07-27 00:06:17 +10:00

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244 B
QBasic

'2007 mennonite
'public domain
z$="hello"
for n = 1 TO len(z$)
a$ = right$(left$(z$,n),1)
b$ = a$
c = asc(ucase$(a$))
if c > 64 and c < 91 then b$ = chr$((c - 65 + 13) mod 26 + 65)
if asc(a$) > 91 then b$ = lcase$(b$)
print b$;
next n