i set a variable from the command line:
i can access this variable ($GANG) from a script. but each time i run the script, the variable keeps getting bigger. more info keeps getting added to it.
Is there anyway i can make the $GANG variable contain the same exact strings it had in it when it was set from the command line?
basically, i guess what i'm looking for is to clear the $GANG variable after each script run? i googled this and i keep seeing "unset". i tried that, but it didn't work.
Can someone send me a shell script to set all Oracle environment variable which is working.
I have the following script which works but not 100%. Please advice what you think is wrong.
if # Command executed from a terminal
then
ORACLE_SID=""
... (4 Replies)
Hi,
I'm exporting an environmental variable from a C program using putenv function. I'm calling the exe of the C program from shell script. But when I display the environmental variables from the Shell script, My varaible is not getting displayed.
Can anyone please tell me how to get it in... (2 Replies)
Hi,
I have problem setting up environmental variables.
The idea is to start with main.ksh script that will run setting.ksh, and in side of it I'll set up variables.
Please take a look at my code, and help me to find my mistake.
Thanks,
Mila
Main.ksh look like this:
#!/usr/bin/ksh
#... (2 Replies)
Hello.
I have a question about how the PATH environment variable works.
I wrote a script in $HOME/bin/gvim.
I want it to be called instead of /usr/bin/gvim,
so I've placed it before in the PATH.
However, it is still the old one that is found.
If I open an other terminal, I have the... (6 Replies)
Dear Folks,
I am facing an issue in getting a value of a variable.Let me explain the scenario.
I am having a list file say files.list in which I have mentioned
1 FILE1
2 FILE2
Then I am having an set_env.ksh in which I mentioned
FILE1=/clocal/data/user/userdata.txt... (4 Replies)
I have a request from a programmer to set an env variable for him. I know how to do it for bash shell by adding the following line to .bash_profile
export $VAR=/home/code/project/
But this will be applicable only when he is in his bash shell. What is the procedure to be followed to make... (2 Replies)
Hola -
I've got a script for logon which populates a database with some info when a user logs on so that we can tell how many public terminals are in use & show users which ones are free. However, the machines are DHCPed and so using $HOSTNAME gives me an unstable name for them since of course... (3 Replies)
anyone has any idae how do i clear the value in a variable in BASH?
So far I come across "Clear-variable", however it can only clear a "Local" and "Global" variable. I'm trying to clear a self-declared variable.
Anyone has any suggestions? (4 Replies)
i want to set environmental variables in solaris and redhat.
it should show the current directory and the default shell should be bourne shell. along with it should show the hostname..
like this
hostname{/home/vipin/data}# ifconfig
Thanks in advanced.:wall:
Please use code tags.... (1 Reply)
My shell script it.sh.I am calling bip.sh from it.sh
#!/bin/sh
ORACLE_HOME=/var/opt/oracle/product/10g; export ORACLE_HOME
PATH=$PATH:$ORACLE_HOME/bin:/bin:/usr/bin; export PATH
today=`date "+%m-%d-%Y %H:%M:%S"`; export today
CUR_DIR=$1; export CUR_DIR
LOG_FILE=$CUR_DIR/error.log;... (4 Replies)
Discussion started by: rafa_fed2
4 Replies
LEARN ABOUT REDHAT
catch
catch(n) Tcl Built-In Commands catch(n)
__________________________________________________________________________________________________________________________________________________NAME
catch - Evaluate script and trap exceptional returns
SYNOPSIS
catch script ?varName?
_________________________________________________________________DESCRIPTION
The catch command may be used to prevent errors from aborting command interpretation. Catch calls the Tcl interpreter recursively to exe-
cute script, and always returns without raising an error, regardless of any errors that might occur while executing script.
If script raises an error, catch will return a non-zero integer value corresponding to one of the exceptional return codes (see tcl.h for
the definitions of code values). If the varName argument is given, then the variable it names is set to the error message from interpret-
ing script.
If script does not raise an error, catch will return 0 (TCL_OK) and set the variable to the value returned from script.
Note that catch catches all exceptions, including those generated by break and continue as well as errors. The only errors that are not
caught are syntax errors found when the script is compiled. This is because the catch command only catches errors during runtime. When
the catch statement is compiled, the script is compiled as well and any syntax errors will generate a Tcl error.
EXAMPLES
The catch command may be used in an if to branch based on the success of a script.
if { [catch {open $someFile w} fid] } {
puts stderr "Could not open $someFile for writing
$fid"
exit 1
}
The catch command will not catch compiled syntax errors. The first time proc foo is called, the body will be compiled and a Tcl error will
be generated.
proc foo {} {
catch {expr {1 +- }}
}
KEYWORDS
catch, error
Tcl 8.0 catch(n)