hi everyone.
i would like to do some uri-decoding, which means to translate patterns
like "%2b/dhg-%3b %7E" into "+/dhg-; ~": in practice, if a sequence like
"%2b" is found, it should be translated into one character whose hex
ascii code is 2b.
i did this:
...
import re
import sys
modello = re.compile("%([0-9a-f][0-9a-f])", re.IGNORECASE)
def funzione(corrispondenza):
return chr(eval('0x' + corrispondenza.group(1)))
for riga in sys.stdin:
riga = modello.sub(funzione, riga)
sys.stdout.write(riga)
...
please comment it. can it be made easily or more compactly? i am a
python regexp novice.
bye
max
ps: i was trying to pythonate this kind of perl code:
$riga =~ s/%([A-Fa-f0-9][A-Fa-f0-9])/chr(hex($1))/ge;
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