add bandcamping script

bandcamping

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -eu
+
+tag="$1"
+liked="bandcamping_$tag""_"`date +"%Y%m%d"`
+visited="$HOME/.bandcamping.visited"
+
+touch "$visited"
+
+{ curl "https://bandcamp.com/tag/$tag?tab=all_releases&s=random" 2>/dev/null | grep -oP "https://[a-zA-Z0-9\-äöü]*?.bandcamp.com/album/.*?(?=&quot)" | while read album; do
+    if grep -q "$album" "$visited"; then
+        continue
+    fi    
+    surf "$album"
+    echo -n "Like? "
+    read -u 3 like
+    if [ "$like" == "y" ]; then
+        echo "$album" >> "$liked"
+    fi
+    echo "$album" >> "$visited"
+done; } 3<&0
+