Gnuplot spitting junk to CL, saying file not found
Hi,
I am making a shell script in bash which uses gnuplot to plot the number of road accidents on a certain day, on a certain month. I believe I have the data correct. An example of my data file is here:
(So the left column [x axis] is the month, and the second [y] is the number of accidents, and the whole data set is for "monday")
But I cant seem to get gnuplot to make me an image, I tried putting in a <gpi> script, I got a simple graph(not what i wanted though) but then it didnt seem to want to plot, and there are problems with importing file name etc
Currently the code spits loads of unusual character to the command line, and then says the file is not found....
Here is my gnuplot code, if anyone can point me in the right direction I would be very grateful
Code:
gnuplot << EOF
set output "accidents_"$Postocode.png"
set terminal png
set size 1280,800
set data style linespoints
set title "Number of accidents within a radius of $2 from $Postcode"
set xlabel "Month"
set ylabel "Number of Accidents"
set xtics 1,1,12
set ytics 5,5,35
set key rmargin
plot "Day1Accidents.txt" using 1:2 title "Monday"
plot "Day2Accidents.txt" using 1:2 title "Tuesday"
plot "Day3Accidents.txt" using 1:2 title "Wednesday"
plot "Day4Accidents.txt" using 1:2 title "Thursday"
plot "Day5Accidents.txt" using 1:2 title "Friday"
plot "Day6Accidents.txt" using 1:2 title "Saturday"
plot "Day7Accidents.txt" using 1:2 title "Sunday"
EOF
Thanks
Last edited by bartus11; 12-02-2013 at 05:47 PM..
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Discussion started by: ripchint
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LEARN ABOUT REDHAT
amplot
AMPLOT(8) System Manager's Manual AMPLOT(8)NAME
amplot - visualize the behavior of Amanda
SYNOPSIS
amplot [ -c ] [ -e ] [ -g ] [ -l ] [ -p ] [ -t T ] amdump_files
DESCRIPTION
Amplot reads an amdump output file that Amanda generates each run (e.g. amdump.1) and translates the information into a picture format
that may be used to determine how your installation is doing and if any parameters need to be changed. Amplot also prints out amdump lines
that it either does not understand or knows to be warning or error lines and a summary of the start, end and total time for each backup
image.
Amplot is a shell script that executes an awk program (amplot.awk) to scan the amdump output file. It then executes a gnuplot program
(amplot.g) to generate the graph. The awk program is written in an enhanced version of awk, such as GNU awk (gawk version 2.15 or later)
or nawk.
During execution, amplot generates a few temporary files that gnuplot uses. These files are deleted at the end of execution.
See the amanda(8) man page for more details about Amanda.
OPTIONS -c Compress amdump_files after plotting.
-e Extend the X (time) axis if needed.
-g Direct gnuplot output directly to the X11 display (default).
-p Direct postscript output to file YYYYMMDD.ps (opposite of -g).
-l Generate landscape oriented output.
-t T Set the right edge of the plot to be T hours.
The amdump_files may be in various compressed formats (compress, gzip, pact, compact).
INTERPRETATION
The figure is divided into a number of regions. There are titles on the top that show important statistical information about the configu-
ration and from this execution of amdump. In the figure, the X axis is time, with 0 being the moment amdump was started. The Y axis is
divided into 5 regions:
QUEUES: How many backups have not been started, how many are waiting on space in the holding disk and how many have been transferred
successfully to tape.
%BANDWIDTH: Percentage of allowed network bandwidth in use.
HOLDING DISK: The higher line depicts space allocated on the holding disk to backups in progress and completed backups waiting to be
written to tape. The lower line depicts the fraction of the holding disk containing completed backups waiting to be written to tape
including the file currently being written to tape. The scale is percentage of the holding disk.
TAPE: Tape drive usage.
%DUMPERS: Percentage of active dumpers.
The idle period at the left of the graph is time amdump is asking the machines how much data they are going to dump. This process can take
a while if hosts are down or it takes them a long time to generate estimates.
AUTHOR
Olafur Gudmundsson ogud@tis.com
Trusted Information Systems
formerly at University of Maryland, College Park
BUGS
Reports lines it does not recognize, mainly error cases but some are legitimate lines the program needs to be taught about.
SEE ALSO amanda(8), amdump(8), gawk(1), nawk(1), awk(1), gnuplot(1), sh(1), compress(1), gzip(1)4th Berkeley DistributionAMPLOT(8)
12-02-2013
Gnuplot spitting junk to CL, saying file not found
