Simplify upload script

Fixes shellcheck errors

scripts/upload.sh

 #!/bin/bash
-# Upload script 
 
-COUNT=0
+# Exit on error
+set -e
 
-rm sftp_batch.tmp
-# Find files and write batchfile to be passed to sftp
-for output in $(ls *.xml -1) 
-do
-	COUNT=1
-	printf "put -P \"$output\"\n" >> sftp_batch.tmp
-done
+# Upload script
 
-# Exit if nothing to upload
-if [[ $COUNT -eq 0 ]]; then
-	#printf "$0: No files to upload" >$2
-	exit 1
-fi
-
-# Output which commands we will be running
-#printf "Connecting with sftp and executing following commands:\n"
-#printf "$(<sftp_batch.tmp)"
-
-sftp -b sftp_batch.tmp cristin-export@norzola.uio.no:cristin/ || exit 1
-#scp $output cristin-export@norzola.uio.no:cristin/ || exit
-
-#Archive transferred files
-for output in $(ls *.xml -1)
-do
-	mv $output archive/
-done
-
-rm sftp_batch.tmp
+printf 'put -P *.xml' | sftp -b - cristin-export@norzola.uio.no:cristin/
 
+mv ./*.xml archive/