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stdlib/os/path.codon

pull/13/head
Ishak Numanagić 2022-01-24 11:02:49 +01:00
parent 808e932685
commit 928d2a0c56
1 changed files with 6 additions and 3 deletions
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stdlib/os/path.codon
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@ -1,10 +1,13 @@
# (c) 2022 Exaloop Inc. All rights reserved.
def splitext(p: str) -> Tuple[str, str]: def splitext(p: str) -> Tuple[str, str]:
""" """
Split the extension from a pathname. Split the extension from a pathname.
Extension is everything from the last dot to the end, ignoring Extension is everything from the last dot to the end, ignoring
leading dots. Returns "(root, ext)"; ext may be empty.""" leading dots. Returns "(root, ext)"; ext may be empty."""
sep = '/' sep = "/"
extsep = '.' extsep = "."
sepIndex = p.rfind(sep) sepIndex = p.rfind(sep)
dotIndex = p.rfind(extsep) dotIndex = p.rfind(extsep)
@ -12,7 +15,7 @@ def splitext(p: str) -> Tuple[str, str]:
# skip all leading dots # skip all leading dots
filenameIndex = sepIndex + 1 filenameIndex = sepIndex + 1
while filenameIndex < dotIndex: while filenameIndex < dotIndex:
if p[filenameIndex:filenameIndex+1] != extsep: if p[filenameIndex : filenameIndex + 1] != extsep:
return p[:dotIndex], p[dotIndex:] return p[:dotIndex], p[dotIndex:]
filenameIndex += 1 filenameIndex += 1
return p, p[:0] return p, p[:0]