nixCraft

How can I redirect the output of time command to file...
I tried,
-bash-3.00# time > file1.txt

real 0m0.000s
user 0m0.000s
sys 0m0.000s

but it didn't work...

thanks,
warren

Use -o option.

Write the resource use statistics to FILE instead of to the standard error stream. By default, this overwrites the file, destroying the file's previous contents. This option is useful for collecting information on interactive programs and programs that produce output on the standard error stream.

To append output use -a option

i'm having an error. I am using FC5.

-bash-3.00# time -o file1.txt ls -l
-bash: -o: command not found

real 0m0.001s
user 0m0.000s
sys 0m0.000s

same also with append -a option

thanks,
warren

Try old way it works with all UNIX oses out there including linux:

-o or -a only works with GNU version of time command.

yes, it works!!!!
thank you so much.
btw, what does it mean when a command is inside a parenthesis?

I just want to clarify few things here

1) time command is external as well as internal. To use GNU version of external command use full path:
When you type time command with full path, shell will run internal time command. To verify this use following command:
time is a shell keyword
time is /usr/bin/time

As you see time command is both internal and external to shell. That is why you got an error when you use time –o syntax.

2)
It is nothing but one of the compound command. ( time ls ) is executed in a subshell environment so that you can capture its output. Please see this article for more information: http://www.cyberciti.biz/nixcraft/vi...tand-which.php

monk, cool info.

Shell may have its own version of command, which usually supersedes the version located in /usr/bin /bin or /sbin or /usr/sbin.

It is better to use full path and type command is a real lifesaver.

hi i wanted to append my output to the log file, but what is wrong i cant seem to get it to work, pls help,thks.

58 15 * * * /usr/bin/cp /a/p/s/originalSDR-config.xml /a/p/s/sdr-stm66.xml 2>>/a/l/s/SDRtestresults.log ; /usr/bin/cp /a/p/s/testSDR.xml /a/p/s/sdr-stm66.xml 2>>/a/l/s/SDRtestresults.log

clueless,

i think you need to add -v option to cp command, which explain what is being done including errors.

Why not put all command in a script and call just script

hi, would like to thank you for the tip, it works!
that is just a test procedure, the actual requirement is to copy first then run a script, e.g:

28 10 * * * /usr/bin/cp -v /a/p/s/originalSDR-config.xml /a/p/s/sdr-stm66.xml 2>>/a/l/s/SDRtestresults.log ; /a/s/s/SDRGenerate.sh 2>>/a/l/s/SDR.log 1>/a/l/s/SDR2.log

but, when i try the above, the -v does not work, illegal option??
pls help..thks..