Running a bash script to run a python program gives error: permission denied

Question

Hi I have a bash script:

#!/bin/bash

declare -a list1
declare -a list2

list1=("Hello" "there" "honey")
list2=("More" "strings" "here")

declare -a joined

joined=($(./pytest.py ${list1[@]} ${list2[@]}))
echo ${joined[@]}

Following is the python code pytest.py:

#!/usr/bin/python

import sys

for i in sys.argv:
print "hi"

The error I get is this:

./pybash.sh: line 11: ./pytest.py: Permission denied

I have used the following to set the permission of the shell script:

 chmod +x pybash.sh

It still gives me the same error. What am I doing wrong?

Or you could simply call the joined with python ./pytest.py instead of simply pytest.py — Sudipta Chatterjee
– Sudipta Chatterjee, Commented Oct 30, 2013 at 21:39
Also, try adding a shebang line. #!/usr/bin/env python so that the shell knows what to execute the script with. — dwerner
– dwerner, Commented Oct 30, 2013 at 21:39
you need to chmod +x pytest.py and add the shebang @dwerner mentions. — tdelaney
– tdelaney, Commented Oct 30, 2013 at 21:52
Notice that he's actually got the shebang line already, it's just not properly inside the code block. — kelm
– kelm, Commented Oct 30, 2013 at 22:05

kelm · Accepted Answer · 2013-10-30 21:37:25Z

3

Do the chmod on your pytest.py file if you intend to execute it.

answered Oct 30, 2013 at 21:37

kelm

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1 Comment

chepner Over a year ago

+1 for pointing out which file still needs to have its permission bit set.

blondiepassesby · Accepted Answer · 2013-10-30 21:40:16Z

3

Perhaps adding :

#!/usr/bin/python

at the start of your python script will fix the problem ?

answered Oct 30, 2013 at 21:40

blondiepassesby

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1 Comment

chepner Over a year ago

This fixes a problem that hasn't been exposed yet :)

samrap · Accepted Answer · 2013-10-30 21:48:58Z

1

Adding a shebang (#!/dir/dir) to the top of your script will not fix the problem completely.

You need to change the modification of the file in order to execute.

There are a few different modifications you can make with the chmod command, but my favorite is:

chmod 755 filename.py

755 Allows the owner to read, write, and execute the file. Any other users can only read and execute.

Check out http://linuxcommand.org/lc3_lts0090.php

answered Oct 30, 2013 at 21:48

samrap

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