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Full Discussion: direction symbol in a variable as part of the command
Top Forums Shell Programming and Scripting direction symbol in a variable as part of the command Post 302149624 by peterloo on Thursday 6th of December 2007 05:35:26 PM
Old 12-06-2007
direction symbol in a variable as part of the command
Hi,

How can I get this to work?

#!/bin/ksh

if [ -n "$1" ]; then
direction=">>"
else
direction=">"
fi

cat some_file_name $direction temp.txt

exit

This shell script is not happy with using "$direction" opposed to ">" or ">>".

Thanks.

Peter
 

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LEARN ABOUT PHP

trader_sarext

TRADER_SAREXT(3)							 1							  TRADER_SAREXT(3)

trader_sarext - Parabolic SAR - Extended

SYNOPSIS

       array  trader_sarext  (array   $high,  array  $low, [float  $startValue], [float  $offsetOnReverse], [float  $accelerationInitLong], [float
       $accelerationLong], [float  $accelerationMaxLong], [float  $accelerationInitShort],  [float   $accelerationShort],  [float   $acceleration-
       MaxShort])

DESCRIPTION

PARAMETERS

	      o $high
		- High price, array of real values.

	      o $low
		- Low price, array of real values.

	      o $startValue
		- Start value and direction. 0 for Auto, >0 for Long, <0 for Short. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.

	      o $offsetOnReverse
		- Percent offset added/removed to initial stop on short/long reversal. Valid range from 0 to TRADER_REAL_MAX.

	      o $accelerationInitLong
		- Acceleration Factor initial value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.

	      o $accelerationLong
		- Acceleration Factor for the Long direction. Valid range from 0 to TRADER_REAL_MAX.

	      o $accelerationMaxLong
		- Acceleration Factor maximum value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.

	      o $accelerationInitShort
		- Acceleration Factor initial value for the Short direction. Valid range from 0 to TRADER_REAL_MAX.

	      o $accelerationShort
		- Acceleration Factor for the Short direction. Valid range from 0 to TRADER_REAL_MAX.

	      o $accelerationMaxShort
		- Acceleration Factor maximum value for the Short direction. Valid range from 0 to TRADER_REAL_MAX.

RETURN VALUES

       Returns an array with calculated data or false on failure.

PHP Documentation Group 													  TRADER_SAREXT(3)
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