[Q] Simple shell script problem??
Michael Velez
mikev777 at hotmail.com
Thu Jul 28 23:42:39 UTC 2005
----- Original Message -----
From: "mcclnx mcc" <mcclnx at yahoo.com.tw>
To: <redhat-list at redhat.com>
Sent: Thursday, July 28, 2005 5:06 PM
Subject: [Q] Simple shell script problem??
> We have Redhat As 3.4 install ed on server. I am
> write i simple script and have problem happen.
>
> The user login shell is : CSH
>
> the program we try to ru will use : KSH
>
> %pg test1.sh
> #!/bin/sh
> set -v
> echo $SHELL
> export ORACLE_SID = CULNX
>
> %./test1.sh
> echo $SHELL
> /bin/csh
> export ORACLE_SID = CULNX
> ./test1.sh: line 4: export: `=': not a valid
> identifier
>
>
>
> look like "#!/bin/sh" useless. Program still use
> "csh" to run it.
>
> Any ideal?
>
> Thanks.
>
>
>
>
>
>
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The SHELL variable will always have the pathname of your login shell if it
remains set, regardless of the current shell you're running. If the SHELL
variable is set, calling /bin/ksh will not change the value. If the SHELL
variable is unset, #!/bin/ksh will set the SHELL variable to /bin/sh. And
actually, if you use #!/bin/sh, the SHELL variable will be set to /bin/bash,
the Bourne Again SHell. Go figure.
To unset the SHELL variable, type:
unset SHELL
at a command prompt. After that, your script as it's written will probably
echo /bin/bash.
As alread mentioned by Mike Ault, remove the spaces on both sides of the =
sign.
Michael
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