Comma quibbling: Difference between revisions
Add BCPL
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Press any key to continue . . .</pre>
=={{header|BCPL}}==
<lang BCPL>get "libhdr"
// Add a character to the end of a string
let addch(s, ch) be
$( s%0 := s%0 + 1
s%(s%0) := ch
$)
// Add s2 to the end of s1
and adds(s1, s2) be
for i = 1 to s2%0 do
addch(s1, s2%i)
// Comma quibbling on strs, which should be a 0-terminated
// vector of string pointers.
let quibble(strs, buf) = valof
$( buf%0 := 0
addch(buf, '{')
until !strs = 0 do
$( addch(buf, '"')
adds(buf, !strs)
addch(buf, '"')
unless strs!1 = 0
test strs!2 = 0
then adds(buf, " and ")
else adds(buf, ", ")
strs := strs + 1
$)
addch(buf, '}')
resultis buf
$)
let start() be
$( let words = vec 4
let buf = vec 63
words!0 := 0
writef("%S*N", quibble(words, buf))
words!0 := "ABC" ; words!1 := 0
writef("%S*N", quibble(words, buf))
words!1 := "DEF" ; words!2 := 0
writef("%S*N", quibble(words, buf))
words!2 := "G" ; words!3 := "H" ; words!4 := 0
writef("%S*N", quibble(words, buf))
$)</lang>
{{out}}
<pre>{}
{"ABC"}
{"ABC" and "DEF"}
{"ABC", "DEF", "G" and "H"}</pre>
=={{header|Bracmat}}==
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