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Shell Programming and Scripting
Need to dynamically create a file
Post 58897 by bhargav on Friday 3rd of December 2004 06:36:51 PM
12-03-2004
Here is the idea i have ....
1)create a junk file having varying lines of lengths of data ....
2)put a while loop for number of files u want ...
if u want 100 files repeat the loop 100 time
get the random number using the following
3)x=`expr $RANDOM % 1000`
4) Using this random number 'x' get the xth line from junk file
put it in the randomfile using date upto seconds
since time changes for evry sec ... u will have 60 diff files in a minute.
d=`date +%T`
5) echo "xth line" > $d.dat
6).use sleep if u want ....
Hope this is not junk idea !!
1)create a junk file having varying lines of lengths of data ....
2)put a while loop for number of files u want ...
if u want 100 files repeat the loop 100 time
get the random number using the following
3)x=`expr $RANDOM % 1000`
4) Using this random number 'x' get the xth line from junk file
put it in the randomfile using date upto seconds
since time changes for evry sec ... u will have 60 diff files in a minute.
d=`date +%T`
5) echo "xth line" > $d.dat
6).use sleep if u want ....
Hope this is not junk idea !!
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LEARN ABOUT PHP
sleep
SLEEP(3) 1 SLEEP(3) sleep - Delay execution SYNOPSIS
int sleep (int $seconds) DESCRIPTION
Delays the program execution for the given number of $seconds. PARAMETERS
o $seconds - Halt time in seconds. RETURN VALUES
Returns zero on success, or FALSE on error. If the call was interrupted by a signal, sleep(3) returns a non-zero value. On Windows, this value will always be 192 (the value of the WAIT_IO_COMPLETION constant within the Windows API). On other platforms, the return value will be the number of seconds left to sleep. ERRORS
/EXCEPTIONS If the specified number of $seconds is negative, this function will generate a E_WARNING. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.4 | | | | | | | Before PHP 5.3.4, on Windows, sleep(3) always | | | returns NULL when sleep has occurred, regardless | | | of whether the sleep was interrupted or not. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 sleep(3) example <?php // current time echo date('h:i:s') . " "; // sleep for 10 seconds sleep(10); // wake up ! echo date('h:i:s') . " "; ?> This example will output (after 10 seconds) 05:31:23 05:31:33 SEE ALSO
usleep(3), time_nanosleep(3), time_sleep_until(3), set_time_limit(3). PHP Documentation Group SLEEP(3)