06-08-2009
Variables in paths dont get displayed
I have a variable embedded in a path, and when I print the path, the variable name gets printed out, and not the actual value. Here is an example.
NODE='database1'
j='/home/log/$NODE/alert$NODE.log'
echo $j
Result that I got : /home/log/$NODE/alert$NODE.log
Result that I expected: /home/log/database1/alertdatabase1.log
Can someone please tell me if I am forgetting something?
Thanks,
Moe
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pwd(1) General Commands Manual pwd(1)
NAME
pwd - working directory name
SYNOPSIS
DESCRIPTION
prints the path name of the working (current) directory.
Options
recognizes the following options:
Display the directory with the name of the symbolic link if any.
If the environment variable contains an absolute path name of the current directory that does not contain the file names
(dot) or (dot-dot), writes this path name to standard output. Otherwise, the option behaves like the option.
Display the actual physical directory path.
Directories of symbolic link types are not displayed.
If both and are specified, the last one applies. If neither nor is specified, the default option is:
from UNIX 2003 environment onwards; see standards(5).
otherwise.
EXTERNAL INFLUENCES
For information about the UNIX Standard environment, see standards(5).
Environment Variables
determines the language in which messages are displayed.
If is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty vari-
able. If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of
If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are set to "C". See
environ(5).
International Code Set Support
Single- and multibyte character code sets are supported.
DIAGNOSTICS
Possible file system trouble; contact system administrator.
Current directory has been removed (usually by a different process).
Use command to move to a valid directory (see cd(1)).
EXAMPLES
If your home directory is and the command is executed from the home directory, typing produces the following display:
In the following example, a symbolic link, points to the directory. Then the command displays the actual directory:
The command displays the directory with the symbolic link:
In the following example, there is no symbolic link. The displayed directory is the same for both the and options.
AUTHOR
was developed by AT&T and HP.
SEE ALSO
cd(1), csh(1), sh(1), sh-posix(1), standards(5).
STANDARDS CONFORMANCE
pwd(1)