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Full Discussion: redirecting help
Top Forums Shell Programming and Scripting redirecting help Post 302529125 by learnbash on Wednesday 8th of June 2011 03:18:15 PM
Old 06-08-2011
redirecting help
I am trying to create the file and redirect the output in the same command line which is line 4 in the below program.

Code:
#!/bin/bash
read -p "Enter File Name:" value1
echo "Your File Name is $value1"
sed 's/abcd/'$value1'/g' abcd_calls > $value1_calls

This is the error it generates

Code:
./code.sh: line 4: $value1_calls: ambiguous redirect

It is not redirecting since $value1_calls such file does not exist as i want to create the file with name of input ($value1 given by user through read command) .
 

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LEARN ABOUT REDHAT

math

math(n) 							 Tcl Math Library							   math(n)

NAME

       math - Tcl Math Library

SYNOPSIS

       package require Tcl 8.2

       package require math ?1.2?

       ::math::cov value value ?value ...?

       ::math::integrate list of xy value pairs

       ::math::fibonacci n

       ::math::max value ?value ...?

       ::math::mean value ?value ...?

       ::math::min value ?value ...?

       ::math::prod value ?value ...?

       ::math::random ?value1? ?value2?

       ::math::sigma value value ?value ...?

       ::math::stats value value ?value ...?

       ::math::sum value ?value ...?

DESCRIPTION

       The math package provides utility math functions.

COMMANDS

       ::math::cov value value ?value ...?
	      Return the coefficient of variation expressed as percent of two or more numeric values.

       ::math::integrate list of xy value pairs
	      Return the area under a "curve" defined by a set of x,y pairs and the error bound as a list.

       ::math::fibonacci n
	      Return the n'th Fibonacci number.

       ::math::max value ?value ...?
	      Return the maximum of one or more numeric values.

       ::math::mean value ?value ...?
	      Return the mean, or "average" of one or more numeric values.

       ::math::min value ?value ...?
	      Return the minimum of one or more numeric values.

       ::math::prod value ?value ...?
	      Return the product of one or more numeric values.

       ::math::random ?value1? ?value2?
	      Return a random number.  If no arguments are given, the number is a floating point value between 0 and 1.  If one argument is given,
	      the number is an integer value between 0 and value1.  If two arguments are given, the number is an integer value between value1  and
	      value2.

       ::math::sigma value value ?value ...?
	      Return the population standard deviation of two or more numeric values.

       ::math::stats value value ?value ...?
	      Return the mean, standard deviation, and coefficient of variation as percent as a list.

       ::math::sum value ?value ...?
	      Return the sum of one or more numeric values.

KEYWORDS

       math, statistics

math									4.2								   math(n)
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