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how to urlencode a string?

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# 1  
Old 03-26-2009
Question how to urlencode a string?
Hi there,
I'm desperatly trying to encode a url in a shell script.

Code:
localhost:~# cat sendalert.sh
#!/bin/bash
url="http://www.xxxxx.fr/addalert.php?login=xxx&pass=xxx&msg="
url+=$(php -r "echo rawurlencode('$1');")
echo $url
# wget -O- "$url"
localhost:~# ./sendalert.sh "hello world"
http://www.xxxxx.fr/addalert.php?login=xxx&pass=xxx&msg=hello%20world
localhost:~# ./sendalert.sh "that's cool"
http://www.xxxxx.fr/addalert.php?login=xxx&pass=xxx&msg= Parse error: syntax error, unexpected T_STRING in Command line code on line 1

What can I do to work with single quotes?

Thanks for your help
Santiago
# 2  
Old 03-26-2009
Seems to be working.
Code:
#!/bin/bash

msg=$1

echo $msg

msg=$(echo $msg | awk '{gsub("\x27", "\\\x27");print}' )

echo $msg

url="http://www.xxxxx.fr/addalert.php?login=xxx&pass=xxx&msg="
url+=$(php -r  "echo rawurlencode('$msg');")

echo $url

# decoding
echo $(php -r  "echo rawurldecode(rawurlencode('$msg'));")


Similarly you can process escaping other non-alphanum chars.
Last edited by lamp; 03-26-2009 at 10:04 PM..
# 3  
Old 03-27-2009
Thanks lamp,
Actually, I came up with another solution very late at night.
It works the same way that yours but using sed.
Code:
localhost:~# cat sendalert.sh
#!/bin/bash
url="http://www.xxxxx.fr/addalert.php?login=xxx&pass=xxx&msg="
url+=$(php -r "echo rawurlencode('$(sed "s/'/\\\\'/g" <<< "$1")');")
wget -O- "$url"

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