ref: f8a9a3fbf021dbc5f2aae0256bc1ab468b747438
dir: asif/awk/hex.awk
#!/bin/awk -f function hex(s, v){ if(s ~ /^0x/) s = substr(s, 3) for(n=1; n<=length(s); n++) v = v * 16 + h[substr(s, n, 1)] return v } BEGIN{ for(n=0; n<16; n++){ h[sprintf("%x", n)] = n h[sprintf("%X", n)] = n } }