Win7: Access Point Discovery
Discover access points using the format below:
netsh wlan show networks mode=bssid
Bash: Mask Converter
Mostra o número de bits de uma máscara IP. Exemplo: 255.255.255.192 -> 26
#!/bin/bash total_bits=0 for octet in `echo $1|awk -F. ' {print $1 " " $2 " " $3 " " $4}'` do result=0 mask=255 num_bits=8 while [ $mask -ge 0 ] do if [ $octet -eq $mask ] then break fi result=$(( $mask << 1 )) mask=$(( $result & 255 )) let num_bits=num_bits-1 done let total_bits=total_bits+$num_bits done echo "$total_bits"
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