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#!/usr/bin/python
import fileinput
import re
def hexrepl(match):
value = int(match.group(2), 16) - 13
if value < 0:
value = 0
return match.group(1) + hex(value)[2:]
def rgbrepl(match):
value = int(match.group(2)) - 13
if value < 0:
value = 0
return match.group(1) + str(value)
for line in fileinput.input():
newline = re.sub(r"(#[0-9a-fA-F]{4})([0-9a-fA-F]{2})", hexrepl, line)
newline = re.sub(r"(rgba\([0-9]+, ?[0-9]+, ?)([0-9]+)", rgbrepl, newline)
print(newline, end="")
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