10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
OS version: RHEL 7.4
Shell : bash
I would like to capture command outputs using tee like # yum upgrade | tee yumupgradeLog
But, if I use tee command, I cannot respond to prompts like Is this ok : during command execution as shown below.
Is there a way I could use tee and still be able to... (4 Replies)
Discussion started by: kraljic
4 Replies
2. UNIX for Dummies Questions & Answers
Team,
we use below command to store the contents in a logfile.
cat a.txt > a.log
a.txt content is
123
345
Is there any options available to store the command used also?
for eg a.log may show as
cat a.txt
123
345 (5 Replies)
Discussion started by: sid2013
5 Replies
3. Shell Programming and Scripting
Hi All,
Hoping you can help as im in desperate need... I'm very new to unix scripting so apoligies,
I have setup an expect script in order to log into a node on our network, This will provide an output as per the below
*********** information:
*************: n/a
TEST IP : n/a
... (18 Replies)
Discussion started by: mutley2202
18 Replies
4. Shell Programming and Scripting
Hi
Is there a way that I can capture a shell script (both output and input) to a log file where I can analyze it?
Thanks (6 Replies)
Discussion started by: nimo
6 Replies
5. Shell Programming and Scripting
Hi,
When I run the following command in terminal it works. The string TEST is appended to a file silently.
echo TEST | tee -a file.txt &>/dev/null
However, when I paste this same line to a file, say shell1.sh, and use bourne shell .
I run this file in terminal, ./shell1.sh.
However I... (1 Reply)
Discussion started by: shahanali
1 Replies
6. UNIX for Dummies Questions & Answers
ok,
suppose i have a file called f1
$ cat f1
this is file1
the quick brown fox jumped over the lazy dog
this is file1
who let the dogs out
this is unix
this is file1
and i have another file f2
$ cat f2
this is file2
the task is to eliminate the repeated lines in f1 and add the... (11 Replies)
Discussion started by: c_d
11 Replies
7. Shell Programming and Scripting
Hi,
I would like to process, filter the same ASCII asynchronous live data stream in more than one pipe pipeline.
So the one pipeline should filter out some records using grep key word
and more than one pipes pipelines
each should grep for another key words, each set seperately for each... (5 Replies)
Discussion started by: jack2
5 Replies
8. Shell Programming and Scripting
Hi,
Is there anyway to duplicate output without using tee?
Let me explain the problem.
We are use ssh to login to remote server and save output to a file using tee commands for auditing purposes. When we use vi editor in ssh session, letters get garbled and cant really use vi. Without tee it... (7 Replies)
Discussion started by: eagles1
7 Replies
9. Shell Programming and Scripting
I have a program that can be run in terminal, when its run it either returns SSH OK or CRITICAL, how do i use the output in my script?
good
./check_sh myserver
SSH OK
bad
./check_sh myserver
CRITICAL
I want to store it in a variable btw, SSH OK will give the variable $SSH=1 and if its... (1 Reply)
Discussion started by: aspect_p
1 Replies
10. Shell Programming and Scripting
Hi,
Can anyone please tell me what these lines do?
ls >& outfile
ls outfile 2>&1
Thanks. (1 Reply)
Discussion started by: trivektor
1 Replies
tee(1) General Commands Manual tee(1)
NAME
tee - pipe fitting to copy standard output to file
SYNOPSIS
[file]...
DESCRIPTION
The command transcribes the standard input to the standard output and makes copies in the files.
Options
This option ignores interrupts.
This option appends the output to the
files rather than overwriting the files.
EXTERNAL INFLUENCES
Environment Variables
determines the language in which messages are displayed.
If is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty vari-
able. If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of
If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are set to "C". See
environ(5).
International Code Set Support
Single- and multibyte character code sets are supported.
RETURN VALUE
The command returns zero upon successful completion, or nonzero if the command fails.
EXAMPLES
Write a list of users to the screen and also append the list to the file
STANDARDS CONFORMANCE
tee(1)