fix variable scope bug

[tee-unique] / appendu

diff --git a/appendu b/appendu
index 792ffce882618a8c2d96d702425f7175301f3644..1e3d583c550e9f084da2cfe8df9be78fae1ed332 100755 (executable)
--- a/appendu
+++ b/appendu
@@ -47,6 +47,17 @@ LINE_SETs are treated the same.
             return 1
         fi
     fi
+
+    local strings line
+    if (( $# == 0 )); then
+        unset IFS
+        while read -r line; do
+            strings+=( "$line" )
+        done
+    else
+        strings=( "$@" )
+    fi
+
     if ! $new_file; then
         if [[ ! -r $file ]]; then
             echo "appendu error: cannot read or write $file"
@@ -56,19 +67,6 @@ LINE_SETs are treated the same.
             echo "appendu error: cannot read or write $file"
             return 1
         fi            
-    fi
-
-    local strings
-    if (( $# == 0 )); then
-        unset IFS
-        while read -r x; do
-            strings+=( "$x" )
-        done
-    else
-        strings=( "$@" )
-    fi
-
-    if $new_file; then
         # fix files with no newline at the end.
         # the following command won't work right on them otherwise.
         # e = run script, $a\ means append following text, but there is none,