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Full Discussion: Running same script through cron gives different output
Top Forums Shell Programming and Scripting Running same script through cron gives different output Post 302792659 by a1_win on Wednesday 10th of April 2013 06:59:52 PM
Old 04-10-2013
Hi Alister/RudiC,

Thanks a lot for your time! Appreciate your help!

I was able to get the expected output after modifying the script and running through cron as below:

Code:
shell script:

cat sar_cpu.sh

#!/bin/bash


hdr=1
while true; do
  sar -u 10 1 |  awk '/user/{if(hdr){print $1,$3,$5,$6};next} /^[0-9]/{print $1,$3,$5,$6}'  OFS=, hdr=$hdr >> /sar_cpu_`date +%m%d%y`.csv
  sleep 5
  hdr=0
done


Regards,
a1_win
 

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LEARN ABOUT MINIX

fieldcomb

FIELDCOMB(1)						      General Commands Manual						      FIELDCOMB(1)

NAME

       fieldcomb - combine two or more field frames for video animation

SYNOPSIS

       fieldcomb [ -e|-o ][ -r ] [ -f combined.hdr ] field0.hdr field1.hdr ..

DESCRIPTION

       Fieldcomb  combines two or more field frames into half as many final video frames for field-based animations.  Normally, the even scanlines
       in the output are given over to the first, third, fifth, etc. pictures given on the input, and the odd scanlines are given over to the sec-
       ond,  fourth,  sixth,  etc.  pictures  on the input.  This behavior corresponds to the -e option, which is set by default.  To reverse this
       ordering, the -o option must be specified.

       Normally, fieldcomb will name output frames by dividing the numbers on the input field file names by 2, inserting a 'C'	right  before  the
       number, adding leading zeroes to make it always four digits.  For example, the command:

	 fieldcomb anim12.hdr anim13.hdr anim14.hdr anim15.hdr

       will produce two output pictures:

	 animC0006.hdr & animC0007.hdr

       If  an odd number of input files is given on the command line, the last file is held over and used as the first file in the next invocation
       of fieldcomb in the same directory.  In this way, the program works well with the "TRANSFER" facility of ranimate(1), which does not  guar-
       antee an even number of frames will be passed every time.

       If only two input files are given, the -f option may be used to specify a different output name of the user's choosing.

       If the -r option is specified, then the input files will be removed once they have been combined.

AUTHOR

       Greg Ward

ACKNOWLEDGEMENT

       Work on this program was sponsored by Iebele Abel.

SEE ALSO

       getinfo(1), pcomb(1), pfilt(1), phisto(1), ran2tiff(1), ranimate(1), rpict(1)

RADIANCE
							     9/6/2005							      FIELDCOMB(1)
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