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Error while using typeset command

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# 1  
Old 10-06-2010
Error while using typeset command
I am having a problem with typeset command:
It is behaving differently in different machines.

Machine 1:
Code:
 
 
/marc_data/marc_project/owb_marc_adaptor/owb_marc_adaptor_load/bin>echo $0
-bash
 
/marc_data/marc_project/owb_marc_adaptor/owb_marc_adaptor_load/bin>vi fn2.ksh
########################################################################################################
typeset -ux CONTROL_DB=$1
export TIMESTAMP=`date +%H%M%S%d%m%y`
echo $CONTROL_DB $TIMESTAMP
########################################################################################################
 
/marc_data/marc_project/owb_marc_adaptor/owb_marc_adaptor_load/bin>fn2.ksh hi
./fn2.ksh: line 2: typeset: -u: invalid option
typeset: usage: typeset [-afFirtx] [-p] name[=value] ...
095741061010

Machine 2:

Code:
 
/marc_data/marc_project/owb_marc_adaptor/owb_marc_adaptor_load/bin>echo $0
-ksh
/marc_data/marc_project/owb_marc_adaptor/owb_marc_adaptor_load/bin>vi fn2.ksh
########################################################################################################
typeset -ux CONTROL_DB=$1
export TIMESTAMP=`date +%H%M%S%d%m%y`
echo $CONTROL_DB $TIMESTAMP
########################################################################################################
 
/marc_data/marc_project/owb_marc_adaptor/owb_marc_adaptor_load/bin>fn2.ksh hi
HI 114544061010


Can anyone help me in solving this......
# 2  
Old 10-06-2010
You have different flavors.
first one seems to be linux/gnu on which -u option is not available.
# 3  
Old 10-06-2010
Or more importantly "Machine 1" is running the script under "bash" and "Machine 2" is running the script unide "ksh".

Though the script name is "fn2.ksh" this is just a name. It would need a shebang line to force "ksh" if "ksh" is available on "Machine 1"
# 4  
Old 10-06-2010
What do you mean by 'shebang' line?

---------- Post updated at 05:36 PM ---------- Previous update was at 05:35 PM ----------
Quote:
Originally Posted by anchal_khare
You have different flavors.
first one seems to be linux/gnu on which -u option is not available.

How can i find the flavour that i am using?
# 5  
Old 10-06-2010
type uname or uname -a

shebang is the special syntax as the first line of the script which tells in which environment the script should execute.

something like,

#! /usr/bin/bash will execute the script in bash shell.
in the same way #! /usr/bin/ksh for korn shell.
# 6  
Old 10-06-2010
Quote:
Originally Posted by anchal_khare
type uname or uname -a

shebang is the special syntax as the first line of the script which tells in which environment the script should execute.

something like,

#! /usr/bin/bash will execute the script in bash shell.
in the same way #! /usr/bin/ksh for korn shell.

HI,
When i put 'echo $0', my output is '-bash'.
So i appended the shebang as '#! /usr/bin/bash' , it didnt work. But when i append '#! /usr/bin/ksh' it working fine.
Why is it so? My machine is in '-bash' only Right? Then why it is working after appending '#! /usr/bin/ksh' to it?
# 7  
Old 10-06-2010
There is no "-u" switch in the "bash" version of "typeset". Hence the syntax error. The shebang line forced "ksh" which allows "-u" in the "typeset" command.
There are many differences between "bash" and established unix shells.
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