Created
June 5, 2025 03:42
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Determine the default route gateway IPv4 address without `ip` installed.
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| #!/bin/sh | |
| awk '$2 == "00000000" { | |
| gw = $3; | |
| for (i=4; i>0; i--) { | |
| printf "%d", "0x" substr(gw, 2*i-1, 2); | |
| if (i>1) printf "."; | |
| } | |
| print "" | |
| }' /proc/net/route |
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