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#1
January 11th, 2005, 05:30 PM
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Need a simple shell command loop
I want to download multiple files to my server.
have been using lwp-download <url> [<local file>] command. Want a simple loop where the above command is repeated on a list of url's. Would need a command that would escape and proceed to next url if a fault occurred (like unable to connect, etc) This is on a Ensim Linux server Kernel 2.4.22 Any help would be appreciated  Sincerely, Ray
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#2
January 14th, 2005, 06:34 AM
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Well, I've written the below code 'right off the bat'. Hopefuly no errors occure.
Also the code is well simple. In case of fine-tunning I recommend using perl's LWP::UserAgent. If the URL is not accessible the lwp-download exits leaving the $? variable set to nonzero (default command return code) and no output file is created. Code:
#!/bin/sh
URL1="http://srv1"
URL2="http://srv2"
FILES="one.html two.html three.html four.pdf"
for i in $files
do
if [ $? -eq "0" ]
then
LINK=$URL1/$i
else
LINK=$URL2/$i
fi
# echo $LINK
lwp-download $LINK $i
done
exit 0
Hope it'll work for you. Last edited by zby : January 14th, 2005 at 06:37 AM.
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