I have just started using a coprocess (first time) in order to facilitate telnet'ing from inside a shell script. It's working, but when I run a remote command I need to get the output into a local variable, but alas my kung-fu is weak.
I used the sample supplied by Perderabo to construct this (very handy, props to Perderabo!! => https://www.unix.com/shell-programming-scripting/11359-need-script-passwd-cant-use-expect-tool-3.html#post40791), and I basically understand the idea of coprocesses, but I just can't get succinct output back into a local variable. I have also tried running my_command in background (and not) followed (and preceded) by a "read -p cO" but the read just sits there and halts the script until ^C.
Any takers?
Last edited by dan-e; 11-05-2008 at 06:57 PM..
Reason: bump
Hello everybody,
I have a question about I/O redirection within a coprocess.
I want to setup a coprocess and then redirect output to a file on a remote machine.
Here's some Perderabo code modified
exec 4>&1
#
# Section 1 --- Prove that we can talk with the hosts in HOSTLIST
# ... (4 Replies)
I am wracking my brains over this. I am trying to use a Korn Shell script to execute an Oracle PL/SQL procedure, using the Oracle command line interface (sqlplus). The script starts sqlplus in a coprocess, and the two processes communicate using a two-way pipe. The bgnice option is off, so both... (8 Replies)
Hi can any one let me know if awk doesnt work with the coprocess??? I have tried a simple example mentioned below but couldnt get it working seems like awk doesnt work with the coprocess concept. I would appreciate very much for any inputs on this.
exec 4>&1
awk -v count=$COUNT >&4 2>&4 |&... (6 Replies)
Hello,
I'm trying to assign a numeric value that is returned from one of my programs to a variable in tcsh. I want to do:
@ r10 = './my_prog file 35'
where ./my_prog file 35 returns a decimal value, but this doesn't work. How do I achieve the desired result?
Janet (4 Replies)
Hi there,
I want to connect to a Cisco router with a KSH script via coprocess:
telnet 192.168.2.82|&
print -p “login”
print -p "password"
With telnet it works. Now I want to use SSH:
ssh -T -l login 192.168.2.82|&
print -p "password"
The router answer me I enter a bad... (7 Replies)
Hello,
There is pipe chain and I want concacenate piped data with some variable:
balh blah| ... $var1
What command I should use instead ... to concatenate piped output with $var1. I think I coud solve this using temp var - but could it be done in one line like sample above ?
thanks... (4 Replies)
While assisting a forum member, I recommended running SQL/Plus in a coprocess (to make database connections and run a test script) for the duration of his script rather than starting/stopping it once for every row in a file he was processing.
I recalled I made a coprocess example for folks at... (2 Replies)
Hi,
Please help to seprate my /var/adm/messages output. Than i want to take this
output in the excel.
e,g
cat /var/adm/messages
Sep 4 10:16:52 ibsadm1 inetd: vnetd from 172.17.5.20 38353
Sep 4 10:16:52 ibsadm1 inetd: bpcd from 172.17.5.20 915
Sep 4 10:16:55 ibsadm1 inetd: ... (5 Replies)
Hi all,
I have F5 load balancer on my system and checking service status by opening an ftp session in every 30 seconds. These ftp sessions are being logged in /var/adm/wtmpx and filling up the file. when i run the last command most of the output is this ftp session. I was wondering if there is a... (1 Reply)
Hi
I have this command, which counts number of lines in a specific file and then prints it on screen.nawk 'NF{c++}END{print "Number of GPS coordinates in file: "c}' $filename
I would like to have the output put into a variable, but can't seem to find the correct argument for it.
How do I... (3 Replies)
Discussion started by: bulleteyedk
3 Replies
LEARN ABOUT PHP
trim
TRIM(3) 1 TRIM(3)trim - Strip whitespace (or other characters) from the beginning and end of a stringSYNOPSIS
string trim (string $str, [string $character_mask = " 0r B"])
DESCRIPTION
This function returns a string with whitespace stripped from the beginning and end of $str. Without the second parameter, trim(3) will
strip these characters:
o " " (ASCII
32 ( 0x20)), an ordinary space.
o " " (ASCII
9 ( 0x09)), a tab.
o "
" (ASCII
10 ( 0x0A)), a new line (line feed).
o "
" (ASCII
13 ( 0x0D)), a carriage return.
o "