Sending argument from CGI script as bash script argument

Question

I am trying to pass the argument to my bash script through my cgi script. This may sound a little bit confusing, so here is the explanation,

I have bash script called script.sh which accept one argument lets say name so I execute this script like this,

bash script.sh myName

The name is then written in a text file, and then i can read it from that text file.

Which works just fine, but I want to be able to execute this same command through cgi, so I did this inside my cgi file,

`/bin/echo "bash script.sh myName"`;

Now I execute this cgi script through my webserver like this,

http://localhost/index.cgi

but myName is not passing as an argument to my bash script and hence nothing is written on the text file.

Can anyone please tell me why its not working when I am running through cgi script but working fine when run without a cgi script ?

EDIT: I have also tried using exec() but the argument still wouldn't pass.

In what programming language the CGI script is written?

Ruslan Osmanov
– Ruslan Osmanov

2016-05-01 08:57:59 +00:00
Commented May 1, 2016 at 8:57 — Ruslan Osmanov
– Ruslan Osmanov, Commented May 1, 2016 at 8:57
#!/bin/csh so its C-shell

Riley Willow
– Riley Willow

2016-05-01 09:03:27 +00:00
Commented May 1, 2016 at 9:03 — Riley Willow
– Riley Willow, Commented May 1, 2016 at 9:03

Ruslan Osmanov · Accepted Answer · 2016-05-01 09:10:37Z

2

In the comments to the question you wrote that the CGI script was written in CSH.

Then it's as simple as the following.

script.csh

#!/bin/csh
./script.sh argX

script.sh

#!/bin/bash
echo 'hello,' $1

Testing script.csh

./script.csh 
hello, argX

It it isn't what you are looking for, please clarify.

answered May 1, 2016 at 9:10

Ruslan Osmanov

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4 Comments

Riley Willow Over a year ago

suppose abcd is written in a text file, my bash script accept an argument and modify the value of abcd with that argument. when i run ./index.cgi it does it perfectly. but when i run it through webserver i.e http://localhost/index.cgi that doesn't happen, i.e. text file still says abcd.

Sufiyan Ghori Over a year ago

do you have write permission to that directory ?

Ruslan Osmanov Over a year ago

@RileyWillow, which server software are you running(Nginx, Apache, etc)? Is there something in the logs?

Riley Willow Over a year ago

writing to /tmp/ directory

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