I'm trying to understand variable scopes in solaris10.
It is said that to display env variables we use 3 commands :
- env
- set
- export
What is the difference between them ?
thx for help.
---------- Post updated at 11:00 AM ---------- Previous update was at 10:50 AM ----------
I understand this :
To list all shell vars with their current values perform set cmd.
To make a value of variable known to a subshell export it using the export cmd.
QUESTIONS
---------------
Now I understand the difference between set and export cmds but don't understand the meaning of env command ?
What does it mean to make a value of variable known to a sub-shell ?
Hi,
I have inserted the following line in my local.login file
setenv ORACLE_HOME /u01/app/oracle/product/8.1.7
Then when I do an echo
$ echo $ORACLE_HOME
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Hi all,
I have seen it in all the .profile files and env file this
PATH=/usr/bin:/etc:/usr/sbin:/usr/ucb:$HOME/bin:/usr/bin/X11:/sbin:.
export PATH
What exactly does this Export path does??
Thanks
SUmeet (1 Reply)
hi i want to write a shell script to set environment variables . But i am not been able to set that for the current shell instead i have to spawn a new shell. Is there a way to set the env variable for the current shell using shell script in bash shell ?
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Hi !
How to export ENV variables, which remains set for all the shell
Example :-
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Hi,
I have a script that sets some env variables.
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Hello
whenenver i login to solaris server the prompt is displaying as #. i want to customize the promt with server name for all users.
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Thanks for your help in advance.
regards,
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Hi,
I have two scripts say one.sh and two.sh.
I want one.sh to continuously export a variable in loop. and when two.sh starts then it should read the last value exported from one.sh.
file: one.sh
#! bin/sh
for i in `seq 1 1 4000000`; do
export VAR=$(($i**$i)) ;
done
file two.sh
... (2 Replies)
Hi,
I need to add file the /usr/lib under the command set. The /usr/lib need to be set under the DIRS=' ' while listing the set command.
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Hi all
I am trying to create a script that takes a password input then writes that to a tmp file and puts that tmp file path in my env as a var.
It does everything but export the my env and I am unsure why.
I am using Ubuntu 12.4
#!/bin/bash
read -s -p "Enter Password: " gfpassword... (5 Replies)
Discussion started by: koikoi
5 Replies
LEARN ABOUT SUSE
tcp-env
tcp-env(1) General Commands Manual tcp-env(1)NAME
tcp-env - set up TCP-related environment variables
SYNOPSIS
tcp-env [ -rR ] [ -ttimeout ] program [ arg ... ]
DESCRIPTION
The input for tcp-env must be a TCP connection. tcp-env finds out information about that connection, puts the information into several
environment variables as described in tcp-environ(5), and runs program with the given arguments.
Usually tcp-env is run from inetd. It might instead be run from another server that already sets up the right environment variables; if
PROTO is set to TCP when tcp-env is invoked, tcp-env assumes that all the other variables are set up properly, and it does not check
whether the input is a TCP connection.
OPTIONS -r (Default.) Attempt to obtain TCPREMOTEINFO from the remote host.
-R Do not attempt to obtain TCPREMOTEINFO from the remote host.
-ttimeout
Give up on the TCPREMOTEINFO connection attempt after timeout seconds. Default: 30.
SEE ALSO tcp-environ(5), inetd(8)tcp-env(1)