X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=appendu-function;h=35f16eb13a89514d939e945c39c1615648cdbfc8;hb=ff367964d27678cbbc93aff541e3b45274919668;hp=8b03b0fb5f77af89f95eb5bdb83a33d8f4c52398;hpb=676dcfe6e8836e8771943f9d075e2da6877aaf55;p=tee-unique

diff --git a/appendu-function b/appendu-function
index 8b03b0f..35f16eb 100644
--- a/appendu-function
+++ b/appendu-function
@@ -72,12 +72,16 @@ LINE_SETs are treated the same.
         # e = run script, $a\ means append following text, but there is none,
         # so sed only does what it always does when it was supposed to modify a file,
         # which is append a newline if there was none.
-        sed -ie '$a\' "$file"
+        sed -i '$a\' "$file"
         # command substitution removes any trailing newlines, so we have to add
         # a non-newline ending, we randomly chose "b", then remove it.
-        local content=$(cat "$file"; echo b) content=${content%b}
+        local content=$(cat "$file"; echo b)
+        content=${content%b}
     fi
     
+    local reset_extglob=false
+    ! shopt extglob >/dev/null && reset_extglob=true
+    shopt -s extglob
     # we aren't using regex because we want to match strings,
     # but we also want our match to start at the beginning of a line,
     # or the beginning of the file, and to end at a line ending.
@@ -96,5 +100,6 @@ LINE_SETs are treated the same.
             fi
         fi
     done
+    $reset_extglob && shopt -u extglob 
     return 0
 }