* Added str_lstrip, str_rstrip functions for a Bourne-like substring

stripping.
master
Wirawan Purwanto 11 years ago
parent 4fbf85d503
commit 363999badf
  1. 17
      text_tools.py

@ -107,6 +107,23 @@ def str_trunc_end(S, L):
else:
return S
def str_lstrip(S, substr):
"""Strips a prefix from S if it matches the string in `substr'.
"""
# This is akin to ${VAR#$substr} in Bourne-shell dialect.
if len(substr) > 0 and S.startswith(substr):
return S[len(substr):]
else:
return S
def str_rstrip(S, substr):
"""Strips a suffix from S if it matches the string in `substr'.
"""
# This is akin to ${VAR%$substr} in Bourne-shell dialect.
if len(substr) > 0 and S.endswith(substr):
return S[:-len(substr)]
else:
return S
def str_save_to_file(filename, s1, *more_str, **opts):
"""Save one or more string (or iterables) to a file with a given file.

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