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Log in, run program

 
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# 1  
Old 12-03-2009
Log in, run program
Hey, im editing the passwd file so that when the user ben logs in it runs my assign program.

I changed the last column from
Quote:
/home/ben:/bin/bash
to
Quote:
/home/ben:/home/ben/assign
Then when i log in i get...

Quote:
/home/ben/assign: line 194: `func_Menu1.1': not a valid identifier
Connection closed by foreign host.
There is no problem with the program because it runs fine when i open it normally.

Any help much appreciated.
# 2  
Old 12-03-2009
Maybe there's no syntactical problem with your program, but most certainly a logical: the login programs have almost no environment set. All those nice path variables, aliases, ... are set by the shell when it's invoked as a login shell. Without that, you'll have to do it yourself.
# 3  
Old 12-03-2009
Quote:
Originally Posted by pludi
Maybe there's no syntactical problem with your program, but most certainly a logical: the login programs have almost no environment set. All those nice path variables, aliases, ... are set by the shell when it's invoked as a login shell. Without that, you'll have to do it yourself.
I see, is there a way of opening the bash then the assign program?
# 4  
Old 12-03-2009
You've got 3 options:
  1. Find out what environment variables are needed and set them yourself
  2. Source the login scripts yourself at the beginning of your script (/etc/profile, /etc/bash.profile, ~/.bashrc, ...)
  3. Invoke bash with the -l switch. From the man page of bash:
    Quote:
    -l Make bash act as if it had been invoked as a login shell (see INVOCATION below).
# 5  
Old 12-04-2009
Quote:
Originally Posted by pludi
You've got 3 options:
  1. Find out what environment variables are needed and set them yourself
  2. Source the login scripts yourself at the beginning of your script (/etc/profile, /etc/bash.profile, ~/.bashrc, ...)
  3. Invoke bash with the -l switch. From the man page of bash:
I am a real beginer at this so what would you recomend, 3?

Were am i supposed to use the -l? In my script or in the passwd file?
# 6  
Old 12-04-2009
The cleanest solution would be 1, as you'll only define what you really need. This can help a lot if you need to debug it, as it cuts down massively on external influences.

3 is the easiest, and any changes you do to system settings are immediately visible on next log on. As for where to use it: best would be the she-bang line, to that it reads
Code:
#!/bin/bash -l

In case it's not distinguishable with your font: that's a lowercase 'L', not an uppercase 'i'.
# 7  
Old 12-07-2009
Thanks,

Would that be in the passwd file or program itself?
 
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