This man is too old to remember everything in his brain. Right now, he needs a place to write down what he has studied.
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2014年3月20日 星期四
perl pack/unpack 在中文轉換的用法
將四轉為16進位
tyruan@Ubuntu-TY ~ $ perl
print unpack("H*","四");
__END__
e59b9b
將abc轉為16進位
tyruan@Ubuntu-TY ~ $ perl
print unpack("H*","abc");
__END__
616263
將61轉為字串 (只轉前兩碼)
tyruan@Ubuntu-TY ~ $ perl
print pack("H2","616263");
__END__
a
將616263轉為字串
tyruan@Ubuntu-TY ~ $ perl
print pack("H*","616263");
__END__
abc
將e59b9b轉為字串
tyruan@Ubuntu-TY ~ $ perl
print pack("H*","e59b9b");
__END__
四
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