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Any guys here could help for my problem?
thanks a lot.

Thank you for your reply
I tried your method but the output is my whole code.

su user << EOF
some commands
result=$?
echo $result
EOF

I tried another one


RETURN_VAL=$(su user <<...

I wrote a shell script.


su user << EOF
some commands
result=$?
EOF

echo $result
Other program determined by $result



It outputs nothing.

How to pass the variable 'result'...

I use GNOME, not VNC.
I want to know the same command as the menu button "System > Log Out root".

Thanks!

What is the command to exit xwindow when i am in xwindow's terminal.

Thanks in advance.

Thanks your reply.

I tried two different code to put my script in /etc/rc.local

Here is my /etc/rc.local

#!/bin/sh

touch /var/locak/subsys/local

/bin/sh /folder/script.sh


or...

I want to autorun a shell script which
inculde start two java programs and some shell scripts

I using fedora 9 and I had put in Personal > Sessions
/bin/sh /myscript.sh

but it got a problem...

Thanks for your reply.

I have to setup configuration for another computer so that the rsync works.

Just like doing the configuration for twice.

I have two computers, one client and one server.

On server side, I can use the following command to synchronize files.

rsync -rvlHpogDtS -password-file=/root/rsyncd.secrets /my_folder/...

<<white space>>name
-----------
<<white space>>Mary Lee
(1 row)



for n in $name
do
echo $n
done



0000000 n a m e \n - - - - -...

Really sorry about the misleading. Since I am not familiar with shell script, I can just tell you what I can see from the screen.

1. Single line
before asking

name=$(pgsql -c "select name from...

I follow your suggestion

name=$(pgsql -c "select name from teacher")
name=${name% (*}
echo "${name#*- }"

I got
"name"
"------------"
" Mary Lee "
"(1 row)"

Any ideas? Thanks again!!

The result from the sql now is a little bit different,

"name ------------ Peter (1 row)"
"name ------------ Mary Lee (1 row)"

The result is vary in word length.

set -f
set -- $name...

No need to "Sorry" la, you really really help me a lot.
Really appriciate your help. :b:

I used

IFS='
'
list=( $(ncftpls .....) )
array=( printf "%s/\n" "${list[@]}" )


The array become
"printf"
"%s/\n"
"drwxr-xr-x ...."
"drwxr-xr-x ...."
...

Sorry for so many questions. Thanks first.
I want to add a "/" next to each item in array, is the following method the fastest?

for a in ${list[@]}
do
array=("${array[@]}" $a"/")
done

list=$(ncftpls -u user -p pass -t 2 -x -l ftp://ip/)
echo $list output is
drwxr-xr-x 2 0 0 4096 Dec 19 10:27 FolderName1 drwxr-xr-x 2 0 0 4096 Dec 19 10:27 FolderName2 drwxr-xr-x 2 0 0 4096 Dec 19...

Thanks a lot.
I changed to use
list=$(ncftpls -u user -p pass -t 2 -x -l ftp://ip/)
echo "$list"

It works great.

Further question is how to split the lines into an array?

Thank you for your suggestion.

I replaced the "ftp -n -i -v ip" code to "ncftp -u user -p pass ip"
I want to list out the files of the folder from remote ftp
Before I use "ls . folders" to save...

Thanks for your advice.

The ip address could be pinged but the computer do not have open ftp / firewall any reason that can't connect through ftp and it hang for a very long while.

Any other...

When I run a script where the 1st parameter is ip address
ftp -n -i -v $1

I hang here if the ip is wrong
how to set a timeout something like

if (20s not complete "ftp -n -i -v $1") then
...

Both of you thanks a lot!!.

If I have a script createdb.sh
...
psql -U postgres -c "create database dbname"
...

I want to write something like
if IsErr(psql -U postgres -c "create database dbname")
ehco "OK"
else
...

set -f
set -- $name
echo $3

I used the code and it work fine, thank you very much!!:b:

thanks for your reply

I stored the result in a variable

name=$(pgsql -c "select name from teacher")

$name is a single line
and equal to "name ------------ myname (1 row)"
I want to get...