Bash can't find file but tcsh can why?


 
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# 1  
Old 02-24-2011
Bash can't find file but tcsh can why?

I have a short script for compiling an old program. It's a simple text file 'ccprog' created in emacs. The permissions were changed with 'chmod 775 ccprog' to make it an executable. When I try to run ccprog I get "bash: ./ccprog: No such file or directory". If I change to tcsh ccprog runs. Why doesn't bash see this file??
# 2  
Old 02-24-2011
Please post the exact commands that you're executing and the exact output that you're getting: just copy/paste from your terminal.
# 3  
Old 02-25-2011
The file is ccprog. The contents of ccprog are:

cc -I/usr/X11R6/lib -I/usr/X11R6/include/X11 antplot.c -o runantplot /usr/ X11R6/lib/l*.a -lm

The permissions on ccprog are: -rwxrwxr-x
I own the file and file file in in my group.

in bash the command ccprog results in-

>ccprog
bash: ./ccprog: No such file or directory

In tcsh ccprog compiles - that is runs the commands in ccprog:

>tcsh
>ccprog
Results in producing runantplot

I have no problem running other executables I've generated such as runantplot, but when I put commands together in a text file and chmod 775 <text filename> bash doesn't "see" the file but tcsh will.

What's up with bash??
# 4  
Old 02-25-2011
What's the output of the following command, when you're executing it from bash?

Code:
type cc

# 5  
Old 02-25-2011
Type command not found.

But cc is symbolically linked to gcc in /usr/bin
# 6  
Old 02-25-2011
So I suppose the problem is PATH related: csh is using a different values.
Try setting the path correctly, before invoking the script:
Code:
PATH=$PATH:/path/to/cc
export PATH
./ccprog

# 7  
Old 02-25-2011
Answer is environment. PATH, current directory in PATH or not. If not in the PATH then you must tell it.
Code:
# . not in PATH
./ccprog
# . in PATH
PATH=$PATH:.
ccprog

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