just print to stdout

bot.properties

@@ -7,4 +7,3 @@ link="https://tilderadio.org/listen"
 schedule="https://tilderadio.org/schedule/"
 source="https://tildegit.org/ben/radiobot"
 nick="radiobot"
-log="log.txt"

bot.sh

@@ -1,18 +1,13 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # read configs
 . bot.properties
-input=".bot.cfg"
 
-# save current dj info on startup
-now_playing=$(<$npfile)
-dj=$(parse_dj)
-
-printf "Starting session: %s\n" "$(date "+[%y:%m:%d %T]")" > $log
+printf "starting %s: %s\n" "$nick" "$(date "+[%y:%m:%d %T]")"
 
 function send {
-    printf "> %s: %s\n" "$(date "+[%y:%m:%d %T]")" "$1" >> $log
-    printf "%s\r\n" "$1" >> $input
+    printf "> %s: %s\n" "$(date "+[%y:%m:%d %T]")" "$1"
+    printf "%s\r\n" "$1" >> input.txt
 }
 
 function msg {
@@ -23,18 +18,22 @@ function parse_dj {
     grep -Eo '^\([^)]*\)' $npfile | sed 's/[()]//g' | xargs
 }
 
+# save current dj info on startup
+now_playing=$(<$npfile)
+dj=$(parse_dj)
+
 # connect and register
 send "NICK $nick"
 send "USER $nick 0 * :$nick"
 send "MODE $nick +B"
 
 # main loop
-tail -f $input | telnet $server $port | while read -r buf
+tail -f input.txt | telnet $server $port | while read -r buf
 do
     # trim \r's
-    line=$(printf "%b" "$buf" | tr -d $'\r')
+    line=$(printf %b "$buf" | tr -d $'\r')
     # log the received line
-    printf "< %s: %s\n" "$(date "+[%y:%m:%d %T]")" "$line" >> $log
+    printf "< %s: %s\n" "$(date "+[%y:%m:%d %T]")" "$line"
 
     # now playing
     if [ "$now_playing" != "$(<$npfile)" ]; then
@@ -98,7 +97,7 @@ do
             fi
 
             # trim leading and split args on space
-            args=( $(printf "%s" "$args" | sed -E "s/^ //") )
+            args=( $(printf %s "$args" | sed -E "s/^ //") )
 
             case "${args[0]}" in
                 subscribe)
@@ -111,7 +110,7 @@ do
                     ;;
 
                 unsubscribe)
-                    sed -i "/$who/d" subscribers.txt
+                    sed -i"" "/$who/d" subscribers.txt
                     msg "$from" "i'll stop sending you updates."
                     ;;
 
@@ -129,7 +128,7 @@ do
                     ;;
 
                 email-unsubscribe)
-                    sed -i "/$who/d" email-subscribers.txt
+                    sed -i"" "/$who/d" email-subscribers.txt
                     msg "$from" "i'll stop sending you email updates."
                     ;;