diff --git a/iptv-check b/iptv-check
index 6c817e5..cce5e68 100755
--- a/iptv-check
+++ b/iptv-check
@@ -17,8 +17,10 @@ then
mkdir "$path/temp" >/dev/null 2>&1
fi
+# Clean any files from previous run in temp folder
rm -rf "$path/temp/*" >/dev/null 2>&1
+# Warning is a simple message that will display every 40 checks on streams to explain user how to quit
warn() {
if [[ $i -gt $wrn ]]
then
@@ -59,6 +61,8 @@ echo -e "$yellow" "-------------------------------------"
echo -e "$blue" "http://github.com/peterpt"
echo -e "$yellow" "-------------------------------------"
echo ""
+
+# checkig for wget if it is installed
which wget > /dev/null 2>&1
if [ "$?" -eq "1" ]; then
echo -e "$red" "Wget Missing"
@@ -68,6 +72,8 @@ exit 1
fi
}
+# The difference between writefile and writefile2 is that (writefile2) is to process the output from m3u files based in xml codes
+# while function (writefile) is to process in output file the conventional m3u files without xml codes in it
function writefile2() {
if [[ -f "$wfile" ]]
then
@@ -86,11 +92,15 @@ echo "$chkf" >> "$wfile"
echo "" >> "$wfile"
fi
}
-
+
+
function writefile() {
+# checks if tool already created previously an m3u file
if [[ -f "$wfile" ]]
then
+#searchs for that specific url in original file and get line number
gturlline=$(grep -n "\<$chkf\>"<$path/temp/1 | tr ":" "\n" | sed -n 1p)
+# This variavble will get the line number before the previous url (this is to get channel name)
defline=$((gturlline-1))
stdata=$(sed -n "$defline p"< $path/temp/1)
echo "$stdata" >> "$wfile"
@@ -108,7 +118,10 @@ echo "" >> "$wfile"
fi
}
+# Function for m3u files with xml content
function xmlproc() {
+
+# Find http links only and delete all the other xml codes in the file , this works with many tests i did , but it may need more filtering for m3u files with more xml funtions in it
grep -F "http" <$path/temp/1 | sed 's///g' | sed 's/^.*http/http/' | sed 's/&.*|//' | sed -e 's/\(.ts\).*\(=\)/\1\2/' | sed 's/=/ /g' | sed "s~~ ~g" > $path/temp/2
srvnmb=$(wc -l "$path/temp/2" | awk '{print$1}')
rm -rf "$path/temp/stream" >/dev/null 2>&1
@@ -171,52 +184,77 @@ echo -e "$orange" "$wfile"
exit 1
fi
}
-
+
+# Function that will download for specific time the test stream
function teststream() {
wrn="0"
+# Checks if tool already created a previous m3u file
if [[ -f "$wfile" ]]
then
exts="1"
else
exts="0"
fi
+
+# checks if m3u file have xml content
ckf=$(grep "" <$path/temp/1)
if [[ ! -z "$ckf" ]]
then
xmlproc
fi
+#checks for the http links in m3u file
glnk=$(grep -F "http" < "$path/temp/1" | sed '/EXTINF/d' | sed '/EXTM3U/d' | awk '!a[$0]++' | sed '/^$/d')
+
+#Write all the http links only to a new file so they can be checked ahead
echo "$glnk" | tr " " "\n" > "$path/temp/2"
+# Counts how many links must be checked
srvnmb=$(wc -l "$path/temp/2" | awk '{print$1}')
+# removes any previous temp pid files and stream captures from previous run
rm -rf "$path/temp/stream" >/dev/null 2>&1
rm -rf "$path/temp/pid.tmp" >/dev/null 2>&1
echo ""
echo -e "$red""Press CTRL+C To Stop or Abort IPTV list check"
echo ""
+
+# Starts the stream checks
for i in $(seq "$srvnmb")
do
chkf=$(sed -n "${i}p" < "$path/temp/2")
+# To avoid errors in previous filter , it checks if the link starts with http , rtmp or HTTP
chkurl=$(echo "$chkf" | head -c 4)
case "$chkurl" in
http|rtmp|HTTP)
+# start the stream download with wget , creates a file with the pid from wget
wget -q "$chkf" -O "$path/temp/stream" & echo $! > "$path/temp/pid.tmp"
+
+# reads current wget pid
pid=$(sed -n 1p < "$path/temp/pid.tmp")
+
+# 4 seconds is the time that wget will download the stream befores gets killed
sleep 4
+# checks if wget pid is still active
rpid=$(ps -p "$pid" -o pid= | awk '{print$1}')
+
if [[ "$rpid" == "$pid" ]]
then
+# kills wget pid
kill $pid
fi
+
+# checks if downlaoded stream file it is in temp directory
if [[ ! -f "$path/temp/stream" ]]
then
echo -e "$yellow" "Error reading captured file"
else
+# checks the size of the stream file
stsz=$(wc -c "$path/temp/stream" | awk '{print$1}')
+# In case stream file is less than 100 bytes then it is not valid
if [[ "$stsz" -le "100" ]]
then
echo -e "$green" "Link:$yellow $i$green of :$yellow$srvnmb$green is$red OFF"
else
echo -e "$green" "Link:$yellow $i$green of :$yellow$srvnmb$green is$green ON"
+#file have more than 100 bytes , then it is a valid stream , goto write file fuction
writefile
fi
fi
@@ -249,8 +287,9 @@ exit 1
fi
}
-
+# Case user m3u file is remote (http) then run this function
function remotef() {
+# wil download the remote m3u file to temp folder and will check its size
wget "{$file}" -O "$path/temp/1" >/dev/null 2>&1
flsz=$(wc -c "$path/temp/1" | awk '{print$1}')
if [[ "$flsz" -le "10" ]]
@@ -262,6 +301,8 @@ exit 0
fi
teststream
}
+
+# Local m3u file is loaded here
function localf(){
if [[ ! -f "$file" ]]
then
@@ -297,15 +338,18 @@ echo -e "$yellow" "-------------------------------------"
echo ""
exit 1
fi
+# If a null file name is not found then executes the script again deflecting wget errors to dev/null
if [[ ! -f $path/null ]]
then
echo "0" > $path/null
exec $sname $1 2>/dev/null
exit 1
fi
+# here it means that script already was loaded and restarted , so delete the null file for the next start
rm -rf $path/null >/dev/null 2>&1
logo
file="$1"
+#check if user input is a remote or local file by searching for http word in the user input variable
echo "$file" | grep "http" >/dev/null 2>&1
if [ "$?" -eq "0" ]; then
remotef