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Full Discussion: Bash Script Issues (If statement for file copying)
Top Forums Shell Programming and Scripting Bash Script Issues (If statement for file copying) Post 302664787 by The_Ardly374 on Saturday 30th of June 2012 05:09:34 PM
Old 06-30-2012
Bash Script Issues (If statement for file copying)
Writing a bash script for use with Geektool, pulls the battery info, and shuffles images around so that an Image geeklet can display the correct expression as the desktop background. (Eventually I intend to make it more intricate, based on more variables, and add more expressions)

I'm extremely new to the language, but the script below did return a result the first time I ran it through Geektool. The only problem is that the variable did not match the result (batt at 95%, result was for 5% and below). It stopped working after that.

The percentage display works every time, but that's most likely because I didn't write that part of the script, I scavenged it. I'd rather use a variable than rerun the calculation over and over, but I couldn't get it to work.






Code:
#!/bin/bash

asbreg=`ioreg -rc "AppleSmartBattery"`

maxcap=`echo "${asbreg}" | awk '/MaxCapacity/{print $3}'`;
curcap=`echo "${asbreg}" | awk '/CurrentCapacity/{print $3}'`;

prcnt=`echo "scale=2; 100*$curcap/$maxcap" | bc`;

if [ 100*$curcap/$maxcap -gt 15 ] ; then

cp /Users/User/Desktop/Faces/Happy.png /Users/User/Desktop/Faces/Current/Current.png

elif [ 100*$curcap/$maxcap -gt 10 ] ; then

	cp /Users/User/Desktop/Faces/Queasy.png /Users/User/Desktop/Faces/	Current/Current.png

	elif [ 100*$curcap/$maxcap -gt 5 ] ; then

		cp /Users/User/Desktop/Faces/Angry.png /Users/User/Desktop/Faces/Current/Current.png

		elif [ 100*$curcap/$maxcap -gt 1 ] ; then 

			cp /Users/User/Desktop/Faces/Unconcious.png /Users/User/Desktop/Faces/Current/Current.png

fi

printf "%1.0f%%" ${prcnt};


#EOF

 

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LEARN ABOUT DEBIAN

xbattbar

XBATTBAR(1)						    BSD General Commands Manual 					       XBATTBAR(1)

NAME

     xbattbar -- show battery status in X Window

SYNOPSIS

     xbattbar [-a] [-t thickness] [-p interval] [-I color] [-O color] [-i color] [-o color] [-c] [-s script-name] [top | bottom | left | right]

DESCRIPTION

     xbattbar shows the current (laptop) battery status in the X window environment.  Battery status is obtained through the APM kernel module.
     The APM kernel module depends on your UNIX platform, therefore, consult your documentation for its detail.

     xbattbar shows its battery status in a simple bar indicator.  -a option makes the indicator window keep always on top of your screen.  The
     thickness of the indicator is 3 pixels in default and you can set the thickness as a parameter of -t option.  This indicator is appeared in
     the bottom of the display, as its default.  The option top, left, or right forces the status indicator to be at the top, left, and right of
     the display, respectively.  Though it's a default, you can also use buttom as the option.

     In the case the AC line is on-line (plugged in), its color of the bar indicator consists of "green" and "olive drab" portions.  The "green"
     portion shows its battery charging level.	These colors can be changed by -I and -O options.  In the other case (AC line is off-line), the
     "blue" portion of the bar indicator shows the percentage of its remaining battery level.  The color conbination for the AC off-line case can
     be changed by -i and -o options.

     xbattbar trys to know its battery status in every 10 seconds in default.  This is achived by APM polling. If it is used with option -c then
     ACPI polling will be used.

     You can use your external script for check battery status. It must print two lines to STDOUT 'battery=value' and 'ac_line=on|off

     -p option sets the polling interval in second.

     If the mouse cursor enters in the status indicator, the diagnosis window appears in the center of the display, which shows both AC line sta-
     tus and battery remaining level.  This diagnosis window disappears if the mouse cursor leaves from the status indicator.

AUTHOR

     Suguru Yamaguchi <suguru@wide.ad.jp>, Akira Kato <kato@wide.ad.jp>, Noriyuki Shigechika <nazo@wide.ad.jp>, Dmitry E. Oboukhov
     <unera@debian.org>

BSD
								 December 5, 1998							       BSD
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