Olaf Reitmaier Veracierta wrote:
Mike Bird wrote:
On Sat March 7 2009 19:48:30 Olaf Reitmaier Veracierta wrote:
cat list.txt
a
b
while read r; do echo $r; done < list.txt;
a
b
x=0; while read r; do while [ $x -lt 3 ]; do let x=$x+1; echo $r; done;
done < lista.txt ;
a
a
Why not the output is? Can't be nested while when reading line?
a
a
a
b
b
bi
Any comment will be preciated.
while read r; do x=0; while [ $x -lt 3 ]; do let x=$x+1; echo $r; done;
done < list.txt
--Mike Bird
Ok, fine Mike Bird.
But ... the real problem is bellow... and is not resolved with x=0
within nested while...
I mean the tries=0 bellow...
cat minutly.txt
# OCTOPUS_SMS_RF 2009-03-08 12:03:07
2 1
8 2
instance=1
while read line
do
echo $line
if [ ! -z "$line" ] && [ `echo $line | grep
OCTOPUS_SMS_RF | wc -l` -eq 0 ]
then
field1=`echo $line | cut -d" " -f 1`
field2=`echo $line | cut -d" " -f 2`
script="i${instance}m${field1}p${field2}.sh"
rm -f $script
tries=0
while [ ! -f $script ] && [ $tries -lt 3 ]
do
wget
"$url?action=gs&instance=$instance&monitor=$field1¶meter=$field2" -O
$script
if [ $? -eq 0 ]
then
tries=3
else
let tries=$tries+1
fi
done
fii
done < minutly.txt
The ouput is...
# OCTOPUS_SMS_RF 2009-03-08 12:03:07
2 1
--2009-03-08 00:47:07--
http://localhost/octopus/client.php?action=gs&instance=1&monitor=2¶meter=1
Resolving localhost... 127.0.0.1, ::1
Connecting to localhost|127.0.0.1|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 322 [text/html]
Saving to: `i1m2p1.sh'
100%[==================>] 322 --.-K/s in 0s
2009-03-08 00:47:07 (24.4 MB/s) - `i1m2p1.sh' saved [322/322]
I can to a better code with | | | | but I don't understand why is
doesn't work with nested whiles...
Hi Mike, thanks for your help.
I solved the problem... zooming on what cause exit the cycle and I found
that there were accidentally some comparison depending on a nonexistent
file ( if [ `cat ... ) because of this the silent fail the while exited.
Here is the new code ... with wget --tries= ...
while read line
do
if [ `echo $line | grep OCTOPUS_SMS_RF | wc -l` -eq 0 ]; then
field1=`echo $line | cut -d" " -f 1`
field2=`echo $line | cut -d" " -f 2`
script="i${instance}m${field1}p${field2}.sh"
rm -f $script
wget --tries=3
"$url?action=gs&instance=$instance&monitor=$field1¶meter=$field2" -O
$script
if [ ! -e $script ] || [ `cat ${script} | grep OCTOPUS_SMS_RF | wc
-l` -eq 2 ]; then
echo "CLIENT: Error can't wget ${script}."
mail -s "OCTOPUS [ERROR] - $HOSTNAME - wget ${script}"
$OCTOPUS_MAIL < ${script}
fi
fi
done < ${frequency}.txt
Regards.
--
----------------------------------------------------------------------
"You don't know where your shadow will fall",
Somebody.-
----------------------------------------------------------------------
Ing. Olaf Reitmaier Veracierta <ola...@gmail.com>
----------------------------------------------------------------------
http://olafrv.googlepages.com (Personal Webpage)
----------------------------------------------------------------------
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