08-31-2002
Maybe that's me..... although I doubt that as I'm not involved in this post. But I'll take it as a vote of confidence!
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Is it possible to redirect errors at the command line when you run the script such as bash scriptname & 2>/dev/null? (1 Reply)
Discussion started by: knc9233
1 Replies
2. Shell Programming and Scripting
Hi friends
I am facing one problem while redirecting the out of the stderr and stdout to a file
let example my problem with a simple example
I have a file (say test.sh)in which i run 2 command in the background
ps -ef &
ls &
and now i am run this file and redirect the output to a file... (8 Replies)
Discussion started by: sushantnirwan
8 Replies
3. Shell Programming and Scripting
I have been doing this:
make xyz &> xyz.log &; tail -f xyz.log
The problem with this is that you never can ge sure when "make xyz" is done.
How can I pipe both stderr and stdout into tee so both stderr and stdout are copied both to the display and to the log file?
Thanks,
Siegfried (3 Replies)
Discussion started by: siegfried
3 Replies
4. Shell Programming and Scripting
Hi
I am not if this is possible: is it possible in bach (or another shell) to redirect GLOBALLY the stdout/stderr channels to a file.
So, if I have a script
script.sh
cmd1
cmd2
cmd3
I want all stdout/stderr goes to a file. I know I can do:
./script.sh 1>file 2>&1
OR
... (2 Replies)
Discussion started by: islegmar
2 Replies
5. Red Hat
EDIT: Nevermind, figured it out! Forgot to put backslashes in my perl script to not process literals!
Hi everyone. I am trying to have this command pass silently. (no output)
chsh -s /bin/sh news
Currently it outputs.
I've tried....
&> /dev/null
1> /dev/null
2>&1 /dev/null
1>&2... (1 Reply)
Discussion started by: austinharris43
1 Replies
6. Shell Programming and Scripting
Hello
I read a lot of post related to this topic, but nothing helped me. :mad:
I'm running a ksh script with subshell what processing some ldap command. I need to check output for possible errors.
#!/bin/ksh
...
readinput < $QCHAT_INPUT |&
while read -p line
do
echo $line
... (3 Replies)
Discussion started by: Osim
3 Replies
7. Shell Programming and Scripting
Can somebody explain to me why the diff output is not going to stderr?
Yet when I issue a diff from the command line the return code is -ne 1.
I am guessing diff always writes to stdout???
Is there away I can force the difff to write to stderr USING THE CURRENT
template. If possible, I... (5 Replies)
Discussion started by: BeefStu
5 Replies
8. Shell Programming and Scripting
Hi, I'm running a program (Python) whose output I would like to redirect to a log. But the program calls a library (that I cannot change), which outputs all sorts of useless information.
I would like to redirect all output from my Python program into this log, except output that matches the... (7 Replies)
Discussion started by: rswindle
7 Replies
9. Shell Programming and Scripting
Dear all,
redirecting STDOUT & STDERR to file is quite simple, I'm currently using:
exec 1>>/tmp/tmp.log; exec 2>>/tmp/tmp.logBut during script execution I would like the output come back again to screen, how to do that?
Thanks
Lucas (4 Replies)
Discussion started by: Lord Spectre
4 Replies
10. Shell Programming and Scripting
Dear all,
redirecting STDOUT & STDERR to file is quite simple, I'm currently using:
Code:
exec 1>>/tmp/tmp.log; exec 2>>/tmp/tmp.log
But during script execution I would like the output come back again to screen, how to do that?
Thanks
Luc
edit by bakunin: please use CODE-tags like the... (6 Replies)
Discussion started by: tmonk1
6 Replies
LEARN ABOUT FREEBSD
ministat
MINISTAT(1) BSD General Commands Manual MINISTAT(1)
NAME
ministat -- statistics utility
SYNOPSIS
ministat [-Ans] [-C column] [-c confidence_level] [-d delimiter] [-w [width]] [file ...]
DESCRIPTION
The ministat command calculates fundamental statistical properties of numeric data in the specified files or, if no file is specified, stan-
dard input.
The options are as follows:
-A Just report the statistics of the input and relative comparisons, suppress the ASCII-art plot.
-n Just report the raw statistics of the input, suppress the ASCII-art plot and the relative comparisons.
-s Print the average/median/stddev bars on separate lines in the ASCII-art plot, to avoid overlap.
-C column Specify which column of data to use. By default the first column in the input file(s) are used.
-c confidence_level
Specify desired confidence level for Student's T analysis. Possible values are 80, 90, 95, 98, 99 and 99.5 %
-d delimiter
Specifies the column delimiter characters, default is SPACE and TAB. See strtok(3) for details.
-w width Width of ASCII-art plot in characters, default is 74.
A sample output could look like this:
$ ministat -s -w 60 iguana chameleon
x iguana
+ chameleon
+------------------------------------------------------------+
|x * x * + + x +|
| |________M______A_______________| |
| |________________M__A___________________| |
+------------------------------------------------------------+
N Min Max Median Avg Stddev
x 7 50 750 200 300 238.04761
+ 5 150 930 500 540 299.08193
No difference proven at 95.0% confidence
If ministat tells you, as in the example above, that there is no difference proven at 95% confidence, the two data sets you gave it are for
all statistical purposes identical.
You have the option of lowering your standards by specifying a lower confidence level:
$ ministat -s -w 60 -c 80 iguana chameleon
x iguana
+ chameleon
+------------------------------------------------------------+
|x * x * + + x +|
| |________M______A_______________| |
| |________________M__A___________________| |
+------------------------------------------------------------+
N Min Max Median Avg Stddev
x 7 50 750 200 300 238.04761
+ 5 150 930 500 540 299.08193
Difference at 80.0% confidence
240 +/- 212.215
80% +/- 70.7384%
(Student's t, pooled s = 264.159)
But a lower standard does not make your data any better, and the example is only included here to show the format of the output when a sta-
tistical difference is proven according to Student's T method.
SEE ALSO
Any mathematics text on basic statistics, for instances Larry Gonicks excellent "Cartoon Guide to Statistics" which supplied the above exam-
ple.
HISTORY
The ministat command was written by Poul-Henning Kamp out of frustration over all the bogus benchmark claims made by people with no under-
standing of the importance of uncertainty and statistics.
From FreeBSD 5.2 it has lived in the source tree as a developer tool, graduating to the installed system from FreeBSD 8.0.
BSD
November 10, 2012 BSD