cute update

config.sh

@@ -1,2 +1,2 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 url="https://radio.vern.cc"

main.sh

@@ -1,16 +1,31 @@
-#!/usr/bin/bash
-source config.sh
+#!/usr/bin/env bash
+shopt -s checkwinsize
+mpvpid=""
 corn=("╭"
       "╮"
       "╰"
       "╯")
 pipe=("─"
       "│")
+tout=30
+JQ=""
+
+source config.sh
+
+[ -z $JQ ] && \
+{	command -v gojq &> /dev/null && JQ=gojq;} || \
+{	command -v jq &> /dev/null && JQ=jq;} || \
+{	echo "No jq found."; exit 1;}
+
+
+command -v clear &> /dev/null || { echo "No clear found.";exit 2;}
+command -v fzf &> /dev/null || { echo "No fzf found.";exit 3;}
+command -v mpv &> /dev/null || { echo "No mpv found.";exit 3;}
 
 function timeschar() {
     times=${1}
     string=${2}
-    
+
     for _ in $(seq 1 ${times})
     do printf "${string}"
     done
@@ -18,76 +33,56 @@ function timeschar() {
 
 function printtomid() {
     string=${1}
-    
+
     len[0]=$(((cols-(2+${#string}))/2)); len[1]=$((cols-${#string}-len[0]-2))
-    #len=($(((cols-(2+${#string}))/2)) $(((cols-2)/2-${#string}/2)))
-    
+
     printf "${pipe[1]}$(timeschar ${len[0]} " ")"
     printf "${string}"
     printf "$(timeschar ${len[1]} " ")${pipe[1]}\n"
 }
 
-#function printtomids() {
-#    string=(${1} ${2} ${3})
-#    
-#    len[0]=$(((cols-(2+(${#string[0]}+${#string[1]}+${#string[2]})))/6))
-#    len[1]=$((len[0]*2-${#string[1]}))
-#    len[2]=$((len[0]*2-(${#string[0]}+${#string[1]}+${#string[2]})))
-#    len[3]=$((cols-((${#string[0]}+${#string[1]}+${#string[2]})+len[0]+len[1]+len[2])-2))
-#
-#    printf "${pipe[1]}$(timeschar ${len[0]} " ")"
-#    printf "${string[0]}"
-#    printf "$(timeschar ${len[1]} " ")"
-#    printf "${string[1]}"
-#    printf "$(timeschar ${len[2]} " ")"
-#    printf "${string[2]}"
-#    printf "$(timeschar ${len[3]} " ")${pipe[1]}\n"
-#}'
-
-#some test:
-#string="12345"; len[0]=$(((cols-(2+${#string}))/2));len[1]=$((cols-${#string}-len[0]-2)); echo "${len[0]}, ${len[1]}, $((len[0] + len[1])), $((len[0] + len[1] + ${#string} + 2)), $cols"
-
-
-read -r jsonData <<< "$(curl -s https://radio.vern.cc/status-json.xsl)"
-export leng=$(($(jq '.icestats.source | length' <<< "${jsonData}") - 1))
+jsonData="$(curl -s "$url"/status-json.xsl)"
+export leng=$(($($JQ '.icestats.source | length' <<< "${jsonData}") - 1))
 radios=()
 urls=()
 titles=()
 
-for song in `seq 0 ${leng}`
-do	radios+=("`jq ".icestats.source[${song}].server_name" <<< "${jsonData}" | sed 's|^\"||g;s|\"$||g'`")
-	urls+=("`jq ".icestats.source[${song}].listenurl" <<< "${jsonData}" | sed 's|^\"||g;s|\"$||g'`")
-	titles+=("`jq ".icestats.source[${song}].title"  <<< "${jsonData}" | sed 's|^\"||g;s|\"$||g'`")
+for song in $(seq 0 ${leng})
+do  radios+=("`$JQ ".icestats.source[${song}].server_name" <<< "${jsonData}" | sed 's|^\"||g;s|\"$||g'`")
+    urls+=("`$JQ ".icestats.source[${song}].listenurl" <<< "${jsonData}" | sed 's|^\"||g;s|\"$||g'`")
 done
 
 while :
-do  [ "x$mpvpid" != "x" ] && kill $mpvpid
+do  clear
+    jsonData="$(curl -s "$url"/status-json.xsl)"
+    titles=()
+    for index in `seq 0 ${leng}`
+    do  titles+=("`$JQ ".icestats.source[${index}].title"  <<< "${jsonData}" | sed 's|^\"||g;s|\"$||g'`")
+    done
+    [ -n "${select}" ] && {
+    [ -n "$mpvpid" ] && kill $mpvpid
     mpv "${urls[${select}]}" &>/dev/null&
     mpvpid=$!
+    }
+
+    [ -n "${select}" ] || select=${last}
     cols=${COLUMNS:-$(tput cols)}
     lins=${LINES:-$(tput lines)}
     printf "${corn[0]}$(timeschar $((cols-2)) "${pipe[0]}")${corn[1]}\n"
-    printf "${pipe[1]}$(timeschar $((cols-2)) " ")${pipe[1]}\n"
+    printtomid
     printtomid "${radios[${select}]} : ${titles[${select}]}"
-    printf "${pipe[1]}$(timeschar $((cols-2)) " ")${pipe[1]}\n"
-    printf "${corn[2]}$(timeschar $((cols-2)) "${pipe[0]}")${corn[3]}\n"    
+    printtomid
+    printf "${corn[2]}$(timeschar $((cols-2)) "${pipe[0]}")${corn[3]}\n"
 
-    select=$(
-	echo -e "$(
-	for index in `seq 0 ${leng}`
-	do  echo "$index ${radios[${index}]} : ${titles[${index}]}"
-	done
-	)\nq exit" | fzf --reverse --height=~25 | awk '{print $1}')
-    clear
-    [ "x${select}" == "xq" ] && pkill mpv && exit
+    list="$(
+        for index in `seq 0 ${leng}`
+        do  echo "$index ${radios[${index}]} : ${titles[${index}]}"
+        done
+        )"
+    last=${select}
+    select=$(timeout --foreground ${tout} fzf --reverse --height=~25 <<< "$(printf "$list\nq exit")"| awk '{print $1}')
+    [ "${select}" == "q" ] && {
+        kill $mpvpid 2>/dev/null
+        exit
+    }
 done
-
-#for index in `seq 0 ${len}`
-#do  echo "("
-#    echo ${radios[${index}]}
-#    echo ${urls[${index}]}
-#    echo ${titles[${index}]}
-#    echo ")"
-#done
-
-