You could also replace code like this:-
.... with something like this:-
It's terrible dummy code, I know, but it has one output redirection and all STDOUT from the loop goes to it.
Does that give you something to work with to smarten your code?
Apologies for the trivial nature of this question but I cannot seem to get a simple re direct to a log file to work
Step 1
touch log.txt
at -f batch.sh now >> log.txt
I am trying to get the batch.sh contents into the log file
Manny Thanks (8 Replies)
Hi,
I want ssh to the remote server and then execute ls and redirect the output to the file in remote server itself
like
ssh root@$server `ls /var/log/users.txt > root@$server:/home/users.txt`
Can you please let me know the correct syntax for it.
Thanks in advance (2 Replies)
Suppose I have a file named a
When I write
cat a>a
The following error message is displayed
cat: a: input file is output file
and my file a is truncated to zero size.
Also the exit status of the last command is 1
Can someone tell me what actually happens when I do so? (1 Reply)
I am trying to write a script which will output notifications to a logfile, but I would like to cap the logfile to, let's say, 200 lines.
Specifically I am using custom firmware, DD-wrt, on my router and I am implementing a script to connect to my work vpn. I have a loop that pings a computer... (2 Replies)
I have a system stat command running which generates data after 5 sec or so. I pass this data to awk and do some calculation to present the data differently. Once done now I want to pass this data to file as and when generated but doesn't work..unless the first command completes successfully.... (6 Replies)
I am using tar command to append daily database backups on tape. "tar --append " command help me to do this.
But tar --append command does not produce any output on stdout if it succeed.
I want the output for that appended command to a log file.
This log file should contain only the name of the... (0 Replies)
So I have a existing file that I used the uniq command on and I need to save the output to the same file without changing the file name.
I have tried $ uniq filename > filename
then when I cat the file it then becomes blank like there is nothing inside.
any help would be much appreciated... (0 Replies)
Dear All,
./waf --run scratch/myfirst > log.out 2>&1
The above is a command line to redirect the output to a file called log.out.
what is the 2>&1 part for ?
Thank you (2 Replies)
I need to count the number of lines in a .txt file and put it in a variable.
I am using the following code
#!/bin/bash
count = $(wc -l "some file.txt" | awk '{print$1}')
echo $count
It is giving the following error.
line3: count: command not foundWhat am I doing wrong here? :confused: (7 Replies)
I am struck up with a problem and that is with output redirection.
I used all the ways for the redirection of the output of c binary to a file, still it is failing.
Here are the different ways which I have used:
./a.out | tee -a /root/tmp.txt 2>&1
./a.out | tee -a /root/tmp.txt 1>&1
./a.out |... (2 Replies)
Discussion started by: Maya29988
2 Replies
LEARN ABOUT NETBSD
rsh
RSH(1) BSD General Commands Manual RSH(1)NAME
rsh -- remote shell
SYNOPSIS
rsh [-46dn] [-l username] [-p port] host [command]
rsh [-46dn] [-p port] username@host [command]
DESCRIPTION
rsh executes command on host.
rsh copies its standard input to the remote command, the standard output of the remote command to its standard output, and the standard error
of the remote command to its standard error. Interrupt, quit and terminate signals are propagated to the remote command; rsh normally termi-
nates when the remote command does. The options are as follows:
-4 Use IPv4 addresses only.
-6 Use IPv6 addresses only.
-d The -d option turns on socket debugging (using setsockopt(2)) on the TCP sockets used for communication with the remote host.
-l username By default, the remote username is the same as the local username. The -l option or the username@host format allow the remote
name to be specified.
-n The -n option redirects input from the special device /dev/null (see the BUGS section of this manual page).
-p port Uses the given port instead of the one assigned to the service ``shell''. May be given either as symbolic name or as number.
If no command is given, note that rlogin(1) is started, which may need a different daemon (rlogind(8) instead of rshd(8)) run-
ning on the server; you want to pass the rshd(8) port number in that case.
If no command is specified, you will be logged in on the remote host using rlogin(1).
Shell metacharacters which are not quoted are interpreted on local machine, while quoted metacharacters are interpreted on the remote
machine. For example, the command
rsh otherhost cat remotefile >> localfile
appends the remote file remotefile to the local file localfile, while
rsh otherhost cat remotefile ">>" other_remotefile
appends remotefile to other_remotefile.
FILES
/etc/hosts
SEE ALSO rcmd(1), rlogin(1), rcmd(3), hosts.equiv(5), rhosts(5), environ(7)HISTORY
The rsh command appeared in 4.2BSD.
BUGS
If you are using csh(1) and put a rsh in the background without redirecting its input away from the terminal, it will block even if no reads
are posted by the remote command. If no input is desired you should redirect the input of rsh to /dev/null using the -n option.
You cannot run an interactive command (like rogue(6) or vi(1)) using rsh; use rlogin(1) instead.
Stop signals stop the local rsh process only; this is arguably wrong, but currently hard to fix for reasons too complicated to explain here.
BSD March 9, 2005 BSD