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Top Forums UNIX for Dummies Questions & Answers Trying a arithmatic on a command line vs scripting. Post 302338236 by Franklin52 on Monday 27th of July 2009 10:33:17 AM
Old 07-27-2009
Try this:

Code:
A=20
B=50
C=$(( $A * $B ))
echo $C

Have a read of a scripting tutorial:

https://www.unix.com/answers-frequent...tutorials.html

Regards
 
Test Your Knowledge in Computers #747
Difficulty: Medium
The Z80 uses 248 out of the available 256 codes as single byte opcodes.
True or False?

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RKWARD(1)							  [FIXME: manual]							 RKWARD(1)

NAME
rkward - A KDE frontend to R SYNOPSIS
rkward [workspace_file] [--evaluate Rcode] [--debug-level level] [--debug-flags flags] [--debugger debugger_command] [KDE Generic Options] [Qt Generic Options] DESCRIPTION
RKWard is the a KDE-based GUI and IDE for the R scripting language for statistical computing. For more information, please refer to the RKWard website[1], and the documentation provided inside RKWard. OPTIONS
--evaluate Rcode The given R code is evaluated after RKWard has started, and after any specified workspace is loaded. Mostly useful for automated testing. --debug-level level Verbosity of debug output. 0-5, where 0 is no output, 5 is all output including function trace information. Default it 2. --debug-flags flags Allows to configure, which sections of code to debug. Flags are given as a binary number. Refer to the source files for documentation, as this really is an internal option. --debugger command Run RKWard through the specified debugger command. To add command line options to the debugger command, enclose them in single quotes ('') together with the command. NOTE: To use the --debugger option, it must be specified as the first option on the command line. Only the frontend process will be debugged, using this option. SEE ALSO
R(1) AUTHORS
RKWard was written by Thomas Friedrichsmeier and the RKWard team. See the RKWard website[1]. NOTES
1. the RKWard website http://rkward.sf.net/ [FIXME: source] 2011-05-23 RKWARD(1)

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