urldecoding

perl -M URI::Escape -lne 'print uri_unescape($_)'

By: johnlane

2014-07-01 10:45:33

perl bash perl urldecod

6 Alternatives + Submit Alt

urldecoding

echo "http%3A%2F%2Fwww.google.com" | sed -e's/%$[0-9A-F][0-9A-F]$/\\\\\x\1/g' | xargs echo -e http://www.google.com Works under bash on linux. just alter the '-e' option to its corresponding equivalence in your system to execute escape characters correctly.
This is sample output - yours may be different.
14

sed -e's/%$[0-9A-F][0-9A-F]$/\\\\\x\1/g' | xargs echo -e

mohan43u · 2009-05-25 05:37:44 43
urldecoding with one pure BASH builtin

You can use ordinary printf to convert "%23%21%2fbin%2fbash" into "#!/bin/bash" with no external utilities, by using a little known printf feature -- the "%b" specifier converts shell escapes. Replace % with \x and printf will understand the urlencoded string. BASH's printf has an extension to set a variable directly, too. So you get to convert urlencoded strings from garble to plaintext in one step with no externals and no backticks. Show Sample Output
This is sample output - yours may be different.
```
#!/bin/bash
```
7

VAR="%23%21%2fbin%2fbash" ; printf -v VAR "%b" "${VAR//\%/\x}" ; echo $VAR

Corona688 · 2012-01-06 22:09:01 9
urldecoding
This is sample output - yours may be different.
5

perl -pe 's/%([0-9a-f]{2})/sprintf("%s", pack("H2",$1))/eig'

putnamhill · 2009-11-25 14:32:50 54
urldecoding

My version uses printf and command substitution ($()) instead of echo -e and xargs, this is a few less chars, but not real substantive difference. Also supports lowercase hex letters and a backslash (\) will make it through unescaped Show Sample Output
This is sample output - yours may be different.
```
Hello%20World
gives
Hello World

\unescaped!
gives
\unescaped!
```
3

printf $(echo -n $1 | sed 's/\\/\\\\/g;s/$%$$[0-9a-fA-F][0-9a-fA-F]$/\\x\2/g')

infinull · 2009-11-25 04:27:39 458
urldecoding

Using PHP shell to URL decode a string. Show Sample Output
This is sample output - yours may be different.
```
q werty=/;
```
0

echo "q+werty%3D%2F%3B" | php -r "echo urldecode(file_get_contents('php://stdin'));"

kartikssj · 2013-07-17 11:37:36 25

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What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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