diff --git a/ssam b/ssam
index c7fb999..5094340 100755
--- a/ssam
+++ b/ssam
@@ -43,9 +43,9 @@ if [ -z "$TMPDIR" ]; then
 fi
 tmp="$TMPDIR/ssam.tmp.$USER.$$"
 
-cat "$@" >$tmp
+trap 'result=$?; rm -f "$tmp"; exit $result' INT EXIT KILL
+cat "$@" >"$tmp"
 
-input()
 {
     # select entire file
     echo ',{'
@@ -57,8 +57,6 @@ input()
     [ ! -z "$flagf" ] && cat "$flagf"
     [ ! -z "$flage" ] && echo "$flage"
     [ "$flagn" -eq 0 ] && echo ','
-}
-
-input | sam -d "$tmp" 2>/dev/null
+} | sam -d "$tmp" 2>/dev/null
 
-rm -f "$tmp"
\ No newline at end of file
+exit $?
\ No newline at end of file