Send WiFi scan result as picture via Telegram message

send-pi-wifi-scan

#!/bin/sh

BINDIR="${HOME}/bin"
WORKDIR="/tmp/wifi"
WIFISCAN="$BINDIR/wifi-scan"
SENDPHOTO="$BINDIR/botSendPhoto"
TEXT2PNG="$BINDIR/text2png"

[ ! -d $WORKDIR ] && mkdir -p $WORKDIR
cd $WORKDIR || exit

CAPTION="`hostname` wifi scan `date +%Y%m%d_%H%M%S`"

(
        printf "=== iwconfig wlan0 ===\n";
        /sbin/iwconfig wlan0;
        printf "\n=== ip addr show wlan0 ===\n";
        /sbin/ip addr show wlan0;
        printf "\n\n=== wifi scan ===\n";
        $WIFISCAN
) > ascii.txt

$TEXT2PNG                       # convert 'ascii.txt' to 'image.png'

#               Caption ImageFile To
$SENDPHOTO "$CAPTION" image.png $USER