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Top Forums UNIX for Beginners Questions & Answers $pwd Post 302974330 by bakunin on Saturday 28th of May 2016 08:04:07 AM

05-28-2016

Registered User

Quote:

Originally Posted by abbya

Hi all,when I cd to an environment variable "cd $MYDIR, if I type pwd, I don't the path to the environment variable dir I cd to.

But what else, instead?

Your request amounts to something like when i add 1 to 1 i don't want the result to be 2.

When you set an environment variable "MYDIR" to some value, say, "/some/where" and you do a cd $MYDIR you do - effectively - a cd /some/where.

If you now issue the command pwd, it will tell you the current directory you are in. In fact, this - to tell you the current directory you are in - is the very purpose of the command pwd. And because you just changed to /some/where before this current directory will invariably be /some/where.

Just in case you meant the (enviroment variable) $PWD (not "$pwd" - UNIX is case sensitive): this is a variable automatically maintained by many shells (ksh and bash among them) to always point to the same (current) directory, the command pwd is displaying. For this, the same goes as i already said about the command. If you go to a certain location you are there - and because "location" is where you are, regardless of where this is, it will be your location and your location will be where you are.

And, by the way, i would appreciate if you could come up with more telling thread titles. Maybe i am extra slow, but i couldn't glean any meaning from "$pwd".

I hope this helps.

bakunin

bakunin

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LEARN ABOUT OPENSOLARIS

pwd

pwd(1)								   User Commands							    pwd(1)

NAME

       pwd - return working directory name

SYNOPSIS

       /usr/bin/pwd

DESCRIPTION

       The pwd utility writes an absolute path name of the current working directory to standard output.

       Both the Bourne shell, sh(1), and the Korn shells, ksh(1) and ksh93(1), also have a built-in pwd command.

ENVIRONMENT VARIABLES

       See  environ(5)	for  descriptions  of the following environment variables that affect the execution of pwd: LANG, LC_ALL, LC_MESSAGES, and
       NLSPATH.

EXIT STATUS

       The following exit values are returned:

       0     Successful completion.

       >0    An error occurred.

       If an error is detected, output will not be written to standard output, a diagnostic message will be written to	standard  error,  and  the
       exit status will not be	0.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |Standard		     |See standards(5). 	   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cd(1), ksh(1), ksh93(1), sh(1), shell_builtins(1), attributes(5), environ(5), standards(5)

DIAGNOSTICS

       ``Cannot open ..'' and ``Read error in ..'' indicate possible file system trouble and should be referred to a UNIX system administrator.

NOTES

       If  you move the current directory or one above it,  pwd may not give the correct response. Use the  cd(1) command with a full path name to
       correct this situation.

SunOS 5.11							    2 Nov 2007								    pwd(1)

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