Extract file extension: Difference between revisions
Content added Content deleted
(Added Quackery.) |
(→{{header|Quackery}}: added code to deal with empty string) |
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witheach [ bit | ] ] constant |
witheach [ bit | ] ] constant |
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& 0 > ] is validchar ( c --> b ) |
& 0 > ] is validchar ( c --> b ) |
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[ dup |
[ dup $ "" = if done |
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dup -1 peek char . = iff |
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[ drop $ "" ] done |
[ drop $ "" ] done |
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$ "" swap |
$ "" swap |
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else |
else |
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[ 2drop $ "" conclude ] ] |
[ 2drop $ "" conclude ] ] |
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dup |
dup $ "" = if done |
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char . |
dup 0 peek char . != if |
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[ drop $ "" ] ] is extension ( $ --> $ ) |
[ drop $ "" ] ] is extension ( $ --> $ ) |
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