home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Atari Mega Archive 1
/
Atari Mega Archive - Volume 1.iso
/
language
/
isetl.arc
/
scan.t
< prev
next >
Wrap
Text File
|
1987-08-20
|
1KB
|
45 lines
program words;
letters := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
print "Enter a string";
read sentence;
while sentence /= "" do
print sentence;
print [sentence(i..j):
c=sentence(i), j in [i.. #sentence]
| c in letters
and (i=1 or sentence(i-1) notin letters)
and sentence(j) in letters
and (j=#sentence or sentence(j+1) notin letters)
and (forall e in sentence(i..j) | e in letters)
];
words := [];
while exists c in sentence | c in letters do
i := %min({i: c = sentence(i) | c in letters});
sentence := sentence(i..);
if exists c in sentence | c notin letters
then j := %min({j: c = sentence(j)
| c notin letters})
- 1;
else j := #sentence;
end;
words := words + [sentence(1..j)];
sentence := sentence(j+1..);
end;
print words;
print "Enter a string";
read sentence;
end;
end;
"here is a string";
" leading blanks in this one";
" trailing blanks here ";
" extra spaces everywhere ";
"non-letters break words too...too bad";
"";