Create tv_grab_url (#195)

* Create tv_grab_url

URL grabber

* Update README.md

* Update README.md

* Update readme-vars.yml

readme-vars.yml

@@ -124,6 +124,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "16.04.22:", desc: "Added URL XMLTV grabber." }
   - { date: "05.01.22:", desc: "Rebase to Alpine 3.15. Disable execinfo to fix builds. Update xmltv." }
   - { date: "11.05.21:", desc: "Added Intel iHD driver support." }
   - { date: "02.06.20:", desc: "Update to Alpine 3.12." }

root/usr/bin/tv_grab_url

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+dflag=
+vflag=
+cflag=
+
+if (( $# < 1 ))
+then
+  exit 0
+fi
+
+OPTARG=""
+URL=$1
+
+for arg
+do
+    delim=""
+    case "$arg" in
+    #translate --gnu-long-options to -g (short options)
+       --description) args="${args}-d ";;
+       --version) args="${args}-v ";;
+       --capabilities) args="${args}-c ";;
+       #pass through anything else
+       *) if [ "${arg:0:1}" == "-" ] || delim="\""
+          then
+           args="${args}${delim}${arg}${delim} "
+          else
+           OPTARG=${arg}
+          fi
+    esac
+done
+
+#Reset the positional parameters to the short options
+eval set -- $args
+
+while getopts "dvc" option
+do
+    case $option in
+        d)  dflag=1;;
+        v)  vflag=1;;
+        c)  cflag=1;;
+        \?) printf "unknown option: -%s\n" $OPTARG
+            printf "Usage: %s: [--description] [--version] [--capabilities] \n" $(basename $0)
+            exit 2
+            ;;
+    esac >&2
+done
+
+if [ "$dflag" ]
+then
+   printf "XMLTV URL grabber\n"
+   exit 0
+fi
+if [ "$vflag" ]
+then
+   printf "0.1\n"
+   exit 0
+fi
+if [ "$cflag" ]
+then
+   printf "baseline\n"
+   exit 0
+fi
+
+curl -s "$URL"
+
+exit 0