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Shell Programming and Scripting

Starting script without ./ name or sh name

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Top Forums Shell Programming and Scripting Starting script without ./ name or sh name
# 8  
Old 12-11-2008
Quote:
Originally Posted by baza210
In OS X:

brian-1000h:~ admin$ sudo nano /etc/bin/test1
Password:

-----Nano-----
#!/bin/bash
echo "omgwtfhax"

Ctrl+x , y, Enter

brian-1000h:~ admin$ sudo chmod +x /usr/bin/test1
brian-1000h:~ admin$ test1
omgwtfhax


Dunno what the difference is there, other than I have #!/bin/bash at the top of mine, and you have #!/usr/bin/bash.. maybe it's not reading the library correctly because of the /usr/ bit. That would explain why you have to tell it that it's a bash file.
tryed /bin/bash also but didnt work


Quote:
The setenv command is a csh thing.

To add a directory to your PATH in bash:
export PATH=${PATH}:/path/to/directory

Add this to your local profile or /etc/profile. You could also copy the script to any directory already defined in your current path:

echo $PATH
with that it works, but i want to copy it on an other host and execute it without changing anything there, only with the scriptName.
Last edited by Turrican; 12-11-2008 at 11:23 AM..
# 9  
Old 12-11-2008
Quote:
Originally Posted by Turrican
i want to copy it on an other host and execute it without changing anything there, only with the scriptName.

To do what you want, the script has to be in a directory that is in the $PATH variable.

There is no other way.

# 10  
Old 12-12-2008
put current folder in path
PATH=.:$PATH

you can run all executable files in your current folder without giving ./ or sh.

but if a file in the current directory has the same name as another command , the script in your directory will override the other program.

e.g.
echo "clear" > ls
chmod u+x ./ls

now ls will act as clear... so it is kinda dangerous...

so remember to use which commandname if having doubts
# 11  
Old 12-12-2008
Quote:
Originally Posted by tarun
PATH=.:$PATH

you can run all executable files in your current folder without giving ./ or sh.

If you are going to put the current directory into your PATH (which is not recommended), don't put it first. Put it at the end:

Code:
PATH=$PATH:.

It is far better (i.e., safer) to create a directory for your scripts (e.g. $HOME/bin) and add that to your PATH.
# 12  
Old 12-12-2008
ok thx
# 13  
Old 12-12-2008
nice tip cfajohnson, thanks...

usually the default profile scripts on linux loook for the directory $HOME/bin and if it exists automatically add to the path...
so in case you have any of your own programs just put them in ~/bin and you can run them from anywhere..
# 14  
Old 12-12-2008
I created a new directory /local/bin and added it to the PATH and I put all my scripts in that directory so they are easy to find.

EDIT: I see cfajohnson had a similar response.. :P
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