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Full Discussion: redirect time command output to file (cygwin bash)
Top Forums Shell Programming and Scripting redirect time command output to file (cygwin bash) Post 302671617 by Corona688 on Friday 13th of July 2012 06:53:31 PM
Old 07-13-2012
First off, don't give a filename after -a, since one isn't expected there. -a tells it to append, but you still need -o to tell it which file.

Second, you don't need to open the same file 300 times to put 300 things in it. Try this:

Code:
# The round brackets put it in a subshell.  You can redirect the output of the subshell instead
# of each individual command inside it.
(
        # You can feed one here-document into cat instead of running echo 9 times.
        # Note that the ending EOF is at the beginning of the line, not indented.  This is
        # important!  Even indenting that will prevent the here-document from ending properly.
        # Also note that variables will work inside a here-document, just like they would inside
        # double-quotes.
        cat <<EOF
Runtimes for servlet 4, 100K structures

Runs where N=10

run1 test_intput.txt -n 4 -t 1000 -l 100 -d t -N 10
EOF

        time ./myProgram.exe -a arguments -i inputFile -o outputFile

        echo

) > test_times.txt

This User Gave Thanks to Corona688 For This Post:
LMHmedchem
 

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LEARN ABOUT FREEBSD

service

SERVICE(8)						    BSD System Manager's Manual 						SERVICE(8)

NAME

     service -- control (start/stop/etc.) or list system services

SYNOPSIS

     service -e
     service -R
     service [-v] -l | -r
     service [-v] <rc.d script> start|stop|etc.

DESCRIPTION

     The service command is an easy interface to the rc.d system.  Its primary purpose is to start and stop services provided by the rc.d scripts.
     When used for this purpose it will set the same restricted environment that is in use at boot time (see below).  It can also be used to list
     the scripts using various criteria.

     The options are as follows:

     -e  List services that are enabled.  The list of scripts to check is compiled using rcorder(8) the same way that it is done in rc(8), then
	 that list of scripts is checked for an "rcvar" assignment.  If present the script is checked to see if it is enabled.

     -R  Restart all enabled local services.

     -l  List all files in /etc/rc.d and the local startup directories.  As described in rc.conf(5) this is usually /usr/local/etc/rc.d.  All
	 files will be listed whether they are an actual rc.d script or not.

     -r  Generate the rcorder(8) as in -e above, but list all of the files, not just what is enabled.

     -v  Be slightly more verbose

ENVIRONMENT

     When used to run rc.d scripts the service command sets HOME to / and PATH to /sbin:/bin:/usr/sbin:/usr/bin which is how they are set in
     /etc/rc at boot time.

EXIT STATUS

     The service utility exits 0 on success, and >0 if an error occurs.

EXAMPLES

     The following are examples of typical usage of the service command:

	   service named status
	   service -rv

     The following programmable completion entry can be use in bash(1) for the names of the rc.d scripts:
	   _service () {
		local cur
		cur=${COMP_WORDS[COMP_CWORD]}
		COMPREPLY=( $( compgen -W '$( service -l )' -- $cur ) )
		return 0
	   }
	   complete -F _service service

SEE ALSO

     bash(1) (ports/shells/bash), rc.conf(5), rc(8), rcorder(8)

HISTORY

     The service utility first appeared in FreeBSD 7.3.

AUTHORS

     This manual page was written by Douglas Barton <dougb@FreeBSD.org>.

BSD
								 December 11, 2012							       BSD
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