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Full Discussion: Shell running setup in Korn ?
Top Forums Shell Programming and Scripting Shell running setup in Korn ? Post 302085048 by Browser_ice on Monday 14th of August 2006 07:14:12 PM
Old 08-14-2006
In trying to find the Korn version, I tried these 2 ways found in another thread. Both didn't give me an answer.
>print ${.sh.version}
ksh: ${.sh.version}: 0403-011 The specified substitution is not valid for this command.
>what /bin/ksh | grep Version
>

At logon time I get this as the possible O/S version ?
* Operating system ..: AIX (64Bit)
* Version / release .: 5.2

Accessing the manual on anything is not helpfull as nothing seams to be defined in 'man'.
>man ksh
Manual entry for ksh not found or not installed.
>man ls
Manual entry for ls not found or not installed.
>man ps
Manual entry for ps not found or not installed.
>man cd
Manual entry for cd not found or not installed.
>man
Usage: man [[[-ct] [section]] | [-f | -k]] [-M path] [-r] name...


If I do like you said, I get an error :

>. MyAlias.sh
ksh: MyAlias.sh: not found


I found another script who's first line is '#/bin/ksh' and not '#!/bin/ksh' but using either method simply doesn't work with my script :
>./MyAlias.sh
>ll
ksh: ll: not found
>. MyAlias.sh
ksh: MyAlias.sh: not found

That other script I mentioned actualy works as I ran it last week. Could it be that the problem is isolated to the ALIAS command in scripts ?


In finding other shells I have access to :
>ls /bin/*sh*
...
/bin/bsh
/bin/chsh
/bin/csh
/bin/ksh
/bin/ksh93
...

in /etc/passwd, my ID is there with '/usr/bin/ksh' at the end. So I assume, at logon, I fall into Korn shell ?


Assuming the problem is isolated to ALIAS commands in a shell script, I modified my script to :
#!/bin/ksh
#set -x
#
#--------------------------------
# Alias Script
# created on : Aug-9, 2006
# created by : fapicard
# modified on:
#
# description : simply alias commands that I
# need for my work to make it easier
#---------------------------------------
echo "before alias"
alias goto_ae='cd /usr/local/Tivoli/custom/policy'
alias ll='ls -al'
echo "after alias"

>./MyAlias.sh
before alias
after alias


I executed it and got the echo printouts. So there is a problem with the ALIAS but why ?
 

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LEARN ABOUT SUNOS

getusershell

getusershell(3C)					   Standard C Library Functions 					  getusershell(3C)

NAME

       getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS

       #include <unistd.h>

       char *getusershell(void);

       void setusershell(void);

       void endusershell(void);

DESCRIPTION

       The  getusershell()  function  returns  a  pointer  to  a  legal  user  shell  as defined by the system manager in the file /etc/shells. If
       /etc/shells does not exist, the following locations of the standard system shells are used in its place:

       /bin/bash		  /bin/csh
       /bin/jsh 		  /bin/ksh
       /bin/pfcsh		  /bin/pfksh
       /bin/pfsh		  /bin/sh
       /bin/tcsh		  /bin/zsh
       /sbin/jsh		  /sbin/pfsh
       /sbin/sh 		  /usr/bin/bash
       /usr/bin/csh		  /usr/bin/jsh
       /usr/bin/ksh		  /usr/bin/pfcsh
       /usr/bin/pfksh		  /usr/bin/pfsh
       /usr/bin/sh		  /usr/bin/tcsh
       /usr/bin/zsh		  /usr/xpg4/bin/sh

       The getusershell() function opens the file /etc/shells, if it exists, and returns the next entry in the list of shells.

       The setusershell() function rewinds the file or the list.

       The endusershell() function closes the file, frees any memory used by getusershell() and setusershell(), and rewinds the file /etc/shells.

RETURN VALUES

       The getusershell() function returns a null pointer on EOF.

BUGS

       All information is contained in memory that may be freed with a call to endusershell(), so it must be copied if it is to be saved.

SunOS 5.10							    30 Aug 2004 						  getusershell(3C)
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