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r"""
Phony "compiler" for testing SCons.
Copies its source files to the target file, dropping lines
that match a pattern, so we can recognize the tool
has made a modification.
"""
import sys
if __name__ == '__main__':
line = ('/*' + sys.argv[1] + '*/\n').encode()
with open(sys.argv[2], 'wb') as ofp:
for f in sys.argv[3:]:
with open(f, 'rb') as ifp:
lines = [ln for ln in ifp.readlines() if ln != line]
for ln in lines:
ofp.write(ln)
sys.exit(0)
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