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Full Discussion: how2 shell cmd into variable
Top Forums Shell Programming and Scripting how2 shell cmd into variable Post 302272472 by cfajohnson on Tuesday 30th of December 2008 04:52:00 PM
Old 12-30-2008
Quote:
Originally Posted by jwzumwalt
How do I place the result of a shell command into a variable. I would like to save the pwd in $DIR.

Code:
DIR=$( pwd )

However, you don't need to do that as the current directory is stored in $PWD:

Code:
DIR=$PWD

 

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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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