author | zecke <zecke> | 2004-10-15 00:49:19 (UTC) |
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committer | zecke <zecke> | 2004-10-15 00:49:19 (UTC) |
commit | 85ab1a8cc3935538cc1f33fef7c94ba31accb53e (patch) (side-by-side diff) | |
tree | 0524c6bf4da61cf83dc330582e3d2a2028d5cff1 | |
parent | d4bace84a2abfd1b4b242c24258961d093e38054 (diff) | |
download | opie-85ab1a8cc3935538cc1f33fef7c94ba31accb53e.zip opie-85ab1a8cc3935538cc1f33fef7c94ba31accb53e.tar.gz opie-85ab1a8cc3935538cc1f33fef7c94ba31accb53e.tar.bz2 |
Test if '/etc/resolv.conf' exists and then back it up to $tmpfile.
Now we even can work with no file at all and create it to add our
nameserver
-rwxr-xr-x | root/usr/bin/changedns | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/root/usr/bin/changedns b/root/usr/bin/changedns index 8270e86..5059d08 100755 --- a/root/usr/bin/changedns +++ b/root/usr/bin/changedns @@ -6,25 +6,25 @@ tmpfile="/tmp/resolv.conf.$$" usage ( ) { echo "usage: $arg0 -a|-r {ip} [{ip}...]" rm -f $tmpfile exit 1 } [ "$#" -le 1 ] && usage shift -cp /etc/resolv.conf $tmpfile +[ -f /etc/resolv.conf ] && cp /etc/resolv.conf $tmpfile case "$arg1" in "-a") for ip in "$@"; do echo $ip grep -sq "^nameserver $ip\$" $tmpfile || echo "nameserver $ip" >>$tmpfile done ;; "-r") for ip in "$@"; do grep -v "^nameserver $ip\$" $tmpfile >$tmpfile.2 mv $tmpfile.2 $tmpfile |