add std

conf.d/std.fish

@@ -0,0 +1,33 @@
+# usage: skip N [files...]
+# skip n elements from input
+function skip
+    set -l n $argv[1]
+    set argv $argv[2..-1]
+    # tail -n +N+1 means start printing from line n+1
+    tail -n + (math $n + 1) $argv
+end
+
+# usage: get N
+# get specified line number from stdin
+function get
+    sed -n "$argv[1]p"
+end
+
+# usage: data_url FILE
+# turn file into a data url
+function data_url
+    if test (count $argv) -eq 1
+        set file_path $argv[1]
+        if test -f $file_path
+            # base64 output (base64 reads from stdin in fish with <)
+            set base64_data (base64 < $file_path)
+            set mime_type (file --mime-type -b $file_path)
+            echo "data:$mime_type;base64,$base64_data"
+        else
+            echo "File not found: $file_path"
+        end
+    else
+        echo "\$ data_url [FILE_PATH]"
+        echo "Turn data into a data URL"
+    end
+end