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busysleep.sh
Posted by Anonymous on Mon 26th Jul 2021 15:08
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modification of post by Anonymous (view diff)

#!/bin/bash
# (bash4 or ksh93)
 
#
# busysleep.sh
#
# like POSIX sleep(1), but uses CPU time
 
set -o errexit
 
typeset -i start_s
typeset -i sleep_time=$1
 
for ((start_s=SECONDS ;
        (SECONDS-start_s) <= sleep_time ;
        )) ; do
        (( 1 )) 
done
 
exit 0

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#!/bin/bash
# (bash4 or ksh93)

#
# busysleep.sh
#
# like POSIX sleep(1), but uses CPU time

set -o errexit

typeset -i start_s
typeset -i sleep_time=$1

for ((start_s=SECONDS ;
	(SECONDS-start_s) <= sleep_time ;
	)) ; do
	(( 1 )) 
done

exit 0

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