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Top Forums Shell Programming and Scripting Is there any way to makesure that the input from the user is all numbers? Post 15749 by inquirer on Tuesday 19th of February 2002 06:13:02 AM
Old 02-19-2002
another way :)

you can also do this...

let test_number=$input_number+1 2>number_error.txt

if test -s number_error.txt
then
echo "$input_number is NOT a number"
else
echo "$input_number is a number"
fi

Smilie
inquirer
 
Test Your Knowledge in Computers #609
Difficulty: Medium
You cannot embed Python within your C/C++ programs.
True or False?

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STREAM_COPY_TO_STREAM(3)						 1						  STREAM_COPY_TO_STREAM(3)

stream_copy_to_stream - Copies data from one stream to another

SYNOPSIS
int stream_copy_to_stream (resource $source, resource $dest, [int $maxlength = -1], [int $offset]) DESCRIPTION
Makes a copy of up to $maxlength bytes of data from the current position (or from the $offset position, if specified) in $source to $dest. If $maxlength is not specified, all remaining content in $source will be copied. PARAMETERS
o $source - The source stream o $dest - The destination stream o $maxlength - Maximum bytes to copy o $offset - The offset where to start to copy data RETURN VALUES
Returns the total count of bytes copied. CHANGELOG
+--------+------------------------------+ |Version | | | | | | | Description | | | | +--------+------------------------------+ | 5.1.0 | | | | | | | Added the $offset parameter | | | | +--------+------------------------------+ EXAMPLES
Example #1 A stream_copy_to_stream(3) example <?php $src = fopen('http://www.example.com', 'r'); $dest1 = fopen('first1k.txt', 'w'); $dest2 = fopen('remainder.txt', 'w'); echo stream_copy_to_stream($src, $dest1, 1024) . " bytes copied to first1k.txt "; echo stream_copy_to_stream($src, $dest2) . " bytes copied to remainder.txt "; ?> SEE ALSO
copy(3). PHP Documentation Group STREAM_COPY_TO_STREAM(3)

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