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Top Forums UNIX for Advanced & Expert Users ${SCRIPTS_DIR}user_info >${log_dir}${BASE_JOB_NAME}.log 2>&1 --- what will this do Post 302079222 by satgur on Friday 7th of July 2006 11:51:51 AM
Old 07-07-2006
${SCRIPTS_DIR}user_info >${log_dir}${BASE_JOB_NAME}.log 2>&1 --- what will this do

Please explain me the following code how it will work


${SCRIPTS_DIR}user_info >${log_dir}${BASE_JOB_NAME}.log 2>&1
 

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LOG1P(3)								 1								  LOG1P(3)

log1p - Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero

SYNOPSIS
float log1p (float $number) DESCRIPTION
log1p(3) returns log(1 + $number) computed in a way that is accurate even when the value of $number is close to zero. log(3) might only return log(1) in this case due to lack of precision. PARAMETERS
o $number - The argument to process RETURN VALUES
log(1 + $number) CHANGELOG
+--------+--------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+--------------------------------------------------+ | 5.3.0 | | | | | | | This function is now available on all platforms | | | | +--------+--------------------------------------------------+ SEE ALSO
expm1(3), log(3), log10(3). PHP Documentation Group LOG1P(3)
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