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Full Discussion: Original Path
Top Forums UNIX for Dummies Questions & Answers Original Path Post 2512 by therealtiger on Thursday 17th of May 2001 09:03:06 AM
Old 05-17-2001
That works fine by itself, now I want to pull out the "environment" (development, stage or production) I am in by examining the path where the script resides. The "environment" may not be in the same place in the path for various scripts on various machines, therefore I can't use cut to parse the pwd. If the path to the script doesn't contain devl, stage or prod, then the CURR_ENV variable should contain "Invalid.".

Here is what I have in my "junk.sh" script:

#! /bin/sh
pwd
CURR_ENV=`pwd | xargs -i expr {} : '\(.*devl\)' \| {} : '\(.*stage\)' \| {} : '\(.*prod\)' \| "Invalid." : '\(.*Invalid.\)' | xargs basename`
echo "Hi this is $CURR_ENV"

Here is the path where the script resides:

/sftwr/devl/proj1/bin/

Here is the pwd I am in when I run the script:

/home/myhome/

Here is the command I execute:

/sftwr/devl/proj1/bin/junk.sh

What I see is:

/home/myhome/
Hi this is Invalid.

What I expect to see is:

/sftwr/devl/proj1/bin/
Hi this is devl

What am I missing?
 

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LEARN ABOUT SUNOS

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 shell, ksh(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	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cd(1), ksh(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 5.10							    28 Mar 1995 							    pwd(1)
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