script to change shell's pwd


 
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Old 12-20-2011
script to change shell's pwd

Hi there,

i was presented with a challenge that is beyond my current shell knowledge: how can you have a script that executed interactive will change your current working directory?

Example (under MacOS):
1. start Terminal and my current working directory is my home folder
2. execute a script that, when completed, will change my shell's working directory to something else....

Is this doable?
 
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PWD(1)							    BSD General Commands Manual 						    PWD(1)

NAME
pwd -- return working directory name SYNOPSIS
pwd [-LP] DESCRIPTION
pwd writes the absolute pathname of the current working directory to the standard output. The following options are available: -L If the PWD environment variable is an absolute pathname that contains neither "/./" nor "/../" and references the current directory, then PWD is assumed to be the name of the current directory. -P Print the physical path to the current working directory, with symbolic links in the path resolved. The default for the pwd command is -P. pwd is usually provided as a shell builtin (which may have a different default). EXIT STATUS
The pwd utility exits 0 on success, and >0 if an error occurs. SEE ALSO
cd(1), csh(1), ksh(1), sh(1), getcwd(3) STANDARDS
The pwd utility is expected to be conforming to IEEE Std 1003.1 (``POSIX.1''), except that the default is -P not -L. BUGS
In csh(1) the command dirs is always faster (although it can give a different answer in the rare case that the current directory or a con- taining directory was moved after the shell descended into it). pwd -L relies on the file system having unique inode numbers. If this is not true (e.g., on FAT file systems) then pwd -L may fail to detect that PWD is incorrect. BSD
October 30, 2003 BSD