在awk中并未直接提供ord函數(shù),所以在將某個字符轉(zhuǎn)換為碼時,需要自己來實(shí)現(xiàn)
這里主要是構(gòu)造了ord為key,val的數(shù)據(jù)結(jié)構(gòu),key為char字符,val對應(yīng)的ascii碼
附:awk得到字母的ASC值實(shí)現(xiàn)
BEGIN {
for (ii = 0; ii < 256; ++ii) {
ch = sprintf("%c", ii);
ascii[ch] = ii;
}
for (ii = 1; ii < ARGC; ii++) {
print "ord(" ARGV[ii] " = " ascii[ARGV[ii]];
}
}
-(dearvoid@LinuxEden:Forum)-(~/tmp)-
[$$=18347 $?=0] ; ./foo.awk a b c 1 2 3
ord(a) = 97
ord(b) = 98
ord(c) = 99
ord(1) = 49
ord(2) = 50
ord(3) = 51
-(dearvoid@LinuxEden:Forum)-(~/tmp)-
[$$=18347 $?=0] ; bye
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