minor fixes and syntax improvements

This commit is contained in:
sys-lectern 2020-08-25 16:04:47 -04:00
parent 8f90ed6d49
commit 16cb58d15f
2 changed files with 7 additions and 8 deletions

View file

@ -4945,15 +4945,15 @@ _p9k_prompt_wifi_async() {
esac
done
elif [[ $_p9k_os == (Linux|Android)]]; then
elif [[ $_p9k_os == Linux]]; then
# iw tools only output 'noise' from a dump that requires superuser and a background service to be running, which probably isn't, so a separate process is needed
# /proc/net/wireless displays noise level up to date, w/o requiring superuser
local proc_less=/proc/net/wireless
[[ -f $proc_less ]] || return 0
# this method using iw is over 10x faster than the network manager method in benchmarking
# it's possible some systems are still using 'wireless_tools' (iw's ancestor) but they are long deprecated anyway
local device="$(iw dev | grep 'Interface ' | cut -d\ -f2)" || return 0
# this method using iw is over 10x faster than the network manager method in benchmarking
# it's possible some systems are still using 'wireless_tools' (iw's ancestor) but they are long deprecated anyway
local device="$(cut -d\ -f2 <<< $(iw dev | grep Interface))" || return 0
out="$(iw dev $device link)" || return 0
# 'running' state guaranteed by 'device' and 'proc_less' var assignment
@ -4961,8 +4961,8 @@ _p9k_prompt_wifi_async() {
local proc_out="$(grep $device $proc_less | tr -s ' ')" || return 0
# using cut is more performant than awk,sed,perl, but I haven't timed against zsh expansion pattern
rssi="${$($proc_out | cut -d\ -f4)%.*}"
noise="$($proc_out | cut -d\ -f5)"
rssi="${$(cut -d\ -f4 <<< $proc_out)%.*}"
noise="$(cut -d\ -f5 <<< $proc_out)"
# it's possible to get boolean from iw to check authorization status from a dump, but getting the method (if any) requires superuser
link_auth=""
@ -4978,7 +4978,7 @@ _p9k_prompt_wifi_async() {
# formatting here to transform from 'xxx.x MBit/s MCS xx short GI' to 'xxx.x' where x's are integers
# benchmarking shows grep here is extremely fast (under .1 msc even on older hw), but you can change to native zsh pattern if you want
tx\ bitrate) last_tx_rate=$(echo $v | grep -o "^[0-9]+.[0-9]");;
tx\ bitrate) last_tx_rate=$(cut -d\ -f1 <<< $v);;
esac
done
fi

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@ -1 +0,0 @@
2020/08/23 17:20:27 Micro started