[scripts] accomodate get_crepe.sh for macos

diff --git a/scripts/get_crepe.sh b/scripts/get_crepe.sh
index 4671cfb..1d07f3f 100755 (executable)
--- a/scripts/get_crepe.sh
+++ b/scripts/get_crepe.sh
@@ -1,16 +1,25 @@
 #! /bin/bash
 
-CREPEURL=https://github.com/marl/crepe/blob/models/model-tiny.h5.bz2?raw=true
+CREPEURL="https://github.com/marl/crepe/blob/models/model-tiny.h5.bz2?raw=true"
 MODELTARGET=crepe-model-tiny.h5
 SHA512=91df10316092de0d9c35ae0eaa8f6cceb49fb01f54dc74f9f1196f7f569a3f885242d1abded56c9825180552a602d9e76f2021d7cfb55cfbefb2f84c8a9f4715
 
 
 function checkmodelsum () {
-  (echo $SHA512  $MODELTARGET | sha512sum -c - ) || (echo $MODELTARGET checksum did not match?!; exit 1)
+  ( echo "$SHA512  $MODELTARGET" | shasum -a 512 -c - ) || (echo $MODELTARGET checksum did not match?!; exit 1)
+}
+
+function downloadmodel () {
+  if command -v wget &> /dev/null
+  then
+    wget -qO- $1
+  else
+    curl -Lso- $1
+  fi
 }
 
 function fetchmodel () {
-  wget -qO- $CREPEURL | bunzip2 - > $MODELTARGET
+  downloadmodel $CREPEURL | bunzip2 - > $MODELTARGET
 }
 
 ( [ -f "$MODELTARGET" ] || fetchmodel ) && checkmodelsum