* sanitize migrate_aliases.sh

[citadel.git] / citadel / migrate_aliases.sh

diff --git a/citadel/migrate_aliases.sh b/citadel/migrate_aliases.sh
index 9408135f25425c36ec680ff27181c32caa396925..a2360e85ff8c1bc126ccdcade8401adb3b7ca6fb 100755 (executable)
--- a/citadel/migrate_aliases.sh
+++ b/citadel/migrate_aliases.sh
@@ -1,4 +1,8 @@
 #!/bin/bash
+if test -z "$1"; then
+    echo "Usage: $0 mail.aliases"
+    exit
+fi
 
 CITALIAS=$1
 if test -f /etc/aliases; then
@@ -15,7 +19,7 @@ if test -f /etc/aliases; then
     for ((i=1; i <= $NLINES; i++)); do 
        ALIAS=`head -n $i /tmp/aliases |tail -n 1`
        ORG=`echo $ALIAS|sed "s;,.*;;"`
-       if grep $ORG $CITALIAS; then
+       if grep "$ORG" "$CITALIAS"; then
            echo "Ignoring Alias $ORG as its alreday there"
        else
            echo "$ALIAS" >>$CITALIAS