On 12/19/2012 3:57 PM, wes wrote:
It takes this line:
DEVICE
and replaces it with this:
DEVICE Lubuntu1:3551 Lubuntu1:3551
if (1) the original line really is
DEVICE
and (2) you have only run the script once on a given file, then i'm
stumped.
regarding (1), is it possible the original line reads
DEVICE Lubuntu1:3551
instead?
regarding (2), of all the calls to s/// in your script, it is notable
that
-e 's/DEVICE/DEVICE Lubuntu1:3551/' \
is the only one that will modify its own output, if the script is run
again.
so if you run the script on a file twice, any line
DEVICE
will become first
DEVICE Lubuntu1:3551
and then
DEVICE Lubuntu1:3551 Lubuntu1:3551
-wes
On Wed, 19 Dec 2012, John Hupp wrote:
I'm using a script with sed to modify a configuration file. The script:
sed -i \
-e 's/UPSCABLE usb/UPSCABLE ether/' \
-e 's/UPSTYPE usb/UPSTYPE net/' \
-e 's/DEVICE/DEVICE Lubuntu1:3551/' \
-e 's/TIMEOUT 105/TIMEOUT 60/' \
-e 's/NETSERVER on/NETSERVER off/' \
-e 's/NISIP 0.0.0.0/NISIP 127.0.0.1/'
/etc/apcupsd/apcupsd.conf
It all works fine except for this substitution:
-e 's/DEVICE/DEVICE Lubuntu1:3551/'
It takes this line:
DEVICE
and replaces it with this:
DEVICE Lubuntu1:3551 Lubuntu1:3551
Does anyone know why?
That is a nice observation. I created the script on an LTSP server and
then ran a utility to create a network boot image from the server
environment. And since first writing, I tested the script (again?) on
the server, where it runs as expected without creating the duplicate
"Lubuntu1:3551". So it is only on the client where the duplicate appears.
I am forwarding this to the LTSP list to see if anyone there can figure
out how the script could be running twice.
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