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Top Forums Shell Programming and Scripting shell script | bc syntax format Post 302645119 by harte on Wednesday 23rd of May 2012 04:34:04 AM
Old 05-23-2012
shell script | bc syntax format

sorry but need help

Image

trying to achieve ema
in script I have this syntax which errors

Code:
ema=[`"$(echo (${currentprice} * 0.153846154) + (${previousema} * {1 - 0.153846154}) | bc)" -q 1 ]` ;

the 0.153846154 ='s Smoothing Factor

really appreciate help

Last edited by Franklin52; 05-23-2012 at 07:15 AM.. Reason: Please use code tags
 

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GPIV_T-AVG-IMG(1)					      General Commands Manual						 GPIV_T-AVG-IMG(1)

NAME
gpiv_t-avg-img - Calculates time-averaged intensities from a series of images at each pixel. SYNOPSIS
gpiv_t-avg-img [-c int] [-fb string] [-ff int] [-fl int] [-fx] [-help] [-p | --print] [-r int] [-s] [-v] < stdin > stdout DESCRIPTION
gpiv_t-avg-img calculates time-averaged intensities from a series of images for each pixel. This program uses the GENPAR parameters. Options -c NCOLS Number of columns. -fb FILE File base-name (without .number.r extension) instead of stdin and stdout. -ff N Number of first image file. -fl N Number of last image file. -fx Prefix numbering to file base name. -help | --help On-line help. -p | --print Prints parameters, command line options and input and output filenames to stdout. -r NROWS Number of rows. -s Subtract mean from input data. -v | --version Prints version information to standard output, then exits successfully. SEE ALSO gpivtools AUTHOR
Gerber Van der Graaf 19 Januari 2005 GPIV_T-AVG-IMG(1)
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