3 # Example iwconfig output:
4 # -----------------------
6 # wlp3s0 IEEE 802.11 ESSID:"BPLUNWIRED"
7 # Mode:Managed Frequency:5.785 GHz Access Point: E2:55:2D:C0:64:B8
8 # Bit Rate=135 Mb/s Tx-Power=15 dBm
9 # Retry short limit:7 RTS thr:off Fragment thr:off
11 # Link Quality=59/70 Signal level=-51 dBm
12 # Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
13 # Tx excessive retries:0 Invalid misc:0 Missed beacon:0
16 # USAGE: khatus_parse_iwconfig -v requested_interface="$wifi_interface"
19 OFS = msg_fs ? msg_fs
: "|"
20 Kfs = key_fs ? key_fs
: ":"
23 /^
[a
-z0
-9]+ +IEEE
802\
.11 +ESSID
:/ {
25 split($
4, essid_parts
, ":")
26 essid
[interface
] = essid_parts
[2]
27 gsub("\"", "", essid
[interface
])
30 /^
+Link Quality=
[0-9]+\
/[0-9]+ +Signal level=
/ {
31 split($
2, lq_parts_eq
, "=")
32 split(lq_parts_eq
[2], lq_parts_slash
, "/")
33 cur = lq_parts_slash
[1]
34 max = lq_parts_slash
[2]
35 link
[interface
] = cur
/ max
* 100
39 i = requested_interface
40 status = link
[i
] ?
sprintf("%s:%d%%", essid
[i
], link
[i
]) : "--:--%"
41 print("status
" Kfs i, status)
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