add echolc

zsh/std.zsh

@@ -29,4 +29,12 @@ data_url() {
         echo "\$ data_url [FILE_PATH]"
         echo "Turn data into a data URL"
     fi
-}
+}
+
+# usage: echolc FILE ECHO
+# output `ECHO` for every line in `FILE`. Useful for the paste command.
+function echolc() {
+    for i in $(seq $(cat "$1" | wc -l)); do
+        echo "$2"
+    done
+}