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Top Forums Programming using system cp command in C program Post 83819 by devesh on Tuesday 20th of September 2005 01:36:19 AM
Old 09-20-2005
U can not use $ with C variables as in shell. U have to use sprintf() to format the command in a string and then pass that string to system().
 

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VFPRINTF(3)								 1							       VFPRINTF(3)

vfprintf - Write a formatted string to a stream

SYNOPSIS
int vfprintf (resource $handle, string $format, array $args) DESCRIPTION
Write a string produced according to $format to the stream resource specified by $handle. Operates as fprintf(3) but accepts an array of arguments, rather than a variable number of arguments. PARAMETERS
o $handle - o $format - See sprintf(3) for a description of $format. o $args - RETURN VALUES
Returns the length of the outputted string. EXAMPLES
Example #1 vfprintf(3): zero-padded integers <?php if (!($fp = fopen('date.txt', 'w'))) return; vfprintf($fp, "%04d-%02d-%02d", array($year, $month, $day)); // will write the formatted ISO date to date.txt ?> SEE ALSO
printf(3), sprintf(3), sscanf(3), fscanf(3), vsprintf(3), number_format(3). PHP Documentation Group VFPRINTF(3)
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