I worked out a cheap, if buggy, hack for what i wanted this morning. But thanks all the same...
In case you're interested: [EMAIL PROTECTED] rewatch 2 'cat /proc/loadavg' 0.51 0.36 0.65 1/121 9072 09:56:08 0.51 0.36 0.65 1/121 9083 09:56:10 0.47 0.36 0.65 1/121 9088 09:56:13 [EMAIL PROTECTED] rewatch 2 'cat /proc/loadavg' 'mozilla' | tee rewatch-mozilla 0.43 0.35 0.65 1/121 9100 09:56:20 am 32106 0.0 0.3 3832 988 ? S 07:37 0:00 /bin/sh /usr/bin/mozilla am 32112 10.0 25.7 141688 66084 ? Sl 07:37 13:54 /opt/mozilla/lib/mozilla-bin 0.40 0.34 0.64 3/121 9109 09:56:22 am 32106 0.0 0.3 3832 988 ? S 07:37 0:00 /bin/sh /usr/bin/mozilla am 32112 10.0 25.7 141688 66092 ? Sl 07:37 13:54 /opt/mozilla/lib/mozilla-bin [EMAIL PROTECTED] cat ~/bin/rewatch #!/bin/sh # rewatch, v. 0.01 # # Usage: rewatch <n> <cmdline> [process-to-watch] # n: seconds between repetitions # cmdline: command-line to repeat # process-to-watch: process for which "ps aux" info is to be displayed # # Purpose: repeat and, optionally, watch and record the "ps aux" info of # that or any other process # # Bkgd: original purpose was to be able to input a command-line (in single # quotes) along with an interval in seconds for its repetion and print a # list of its stdouts labelled by the times they were printed until <Ctrl-c> # is hit, and be able to capture all the output to stdout or a file. # # initial use was for watching and recording load averages as programs were # loaded, eg, "re_watch 2 'cat /proc/loadavg' konqueror" # # Future: unknown # # Known Bugs: no input validation or user feedback for input errors # # Of course, bash operators will have to be properly quoted or escaped or # not... -- which i still don't clearly understand n=$1 cmdline=$2 proc2watch=$3 if test -z "$3" then while true ; do echo $( $cmdline && echo "$( date +%H:%M:%S )" ) ; sleep $n ; done else while true ; do echo $( $cmdline && echo "$( date +%H:%M:%S )" ) ; echo "$( ps aux | grep -vE "(rewatch |grep |tee )" | grep $proc2watch )" ; sleep $n ; done fi [EMAIL PROTECTED] On Sunday 17 July 2005 13:16, AD Marshall wrote: > my apologies, if necessary. but it's way past lunchtime in saigon and > i'm STARVING. i'll check back later. thanx again. - best, andi > > On Sunday 17 July 2005 13:07, AD Marshall wrote: > > On Sunday 17 July 2005 12:35, John Kelly wrote: > > > Hi, > > > On Sun, 17 Jul 2005 11:57:34 +0700 > > > AD Marshall <[EMAIL PROTECTED]> wrote: > > > > > > > Is there already one bash command to do what the following script > > > > does (poorly or incompletely), ie repeat "command" indefinitely > > > > every "x" seconds: > > > > > > > > #!/bin/sh > > > > # usage: repeat [x] <command> > > > > while true ; do $2 ; sleep $1 ; done > > > > > > > > < rest deleted > > > > > > > The watch command might tbe what you want. > > > Or maybe not, if you don't want anything output to screen. > > > > > > Try man watch for details. > > > > > <cut> > > Ya. Thanks. I'd (long) forgotten about "watch". > > > > but, actually, i should be more specific. what i'm trying to do is > > something like this -- though i'm screwing up on quoting or something > > > > [EMAIL PROTECTED] repeat 2 "echo $(cat /proc/loadavg ; date +%H:%m:%S)" > > 0.05 0.14 0.24 6/127 27711 12:07:29 > > 0.05 0.14 0.24 6/127 27711 12:07:29 > > 0.05 0.14 0.24 6/127 27711 12:07:29 > > > > as you can see, only one instance of load average and time are repeated. > > i want a running record that can be redirected to a file > > > > i just tinkered with backslashes, back-quotes, double-quotes and > > single-quotes, but all the quoting stuff still confuses me. > > > > and, imho, i would have thought someone would have written a simple > > tool to do this ages ago. no? > > > > thanx again, > > andi > > > -- AD Marshall Tel: +84 (0)903871313 eM: [EMAIL PROTECTED] Web: http://h0lug.sourceforge.net Zone: ICT (IndoChina Time; GMT/UTC+7) - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
