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Top Forums Shell Programming and Scripting How to time stamp executed commands? Post 302866243 by RudiC on Monday 21st of October 2013 03:56:49 PM
Old 10-21-2013
Not sure if this will work in ksh88. I tried it in recent bash:
Code:
export PS4=" \t "
set -x
./test
  21:53:55 (( i=1 ))
  21:53:55 (( i<=10 ))
  21:53:55 sleep 1
  21:53:56 echo X
X
  21:53:56 (( i++ ))
  21:53:56 (( i<=10 ))
  21:53:56 sleep 1
  21:53:57 echo X

etc.
 

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time(1) 						      General Commands Manual							   time(1)

NAME
time - time a command SYNOPSIS
command utility [argument ...] DESCRIPTION
When a specified command or utility completes execution, prints the elapsed time during the command or utility, the time spent in the sys- tem, and the time spent executing the command or utility. Times are reported in seconds. Execution time can depend on the performance of the memory in which the program is running. The times are printed to standard error. Note that the shell also has a keyword that times an entire pipeline if used anywhere in the pipeline. This action is different than the command which times a particular command if used in a pipeline. Options recognizes the following options: command The command to be executed and timed. Writes the timing statistics to standard error. utility The name of a utility to be invoked and timed. If the utility operand names any of the shell special built-in utilities, the time results are undefined. See csh(1) and ksh(1) for information about special built-in utilities. argument Any string that is an argument to the utility. SEE ALSO
csh(1), ksh(1), sh(1), timex(1), times(2). STANDARDS CONFORMANCE
time(1)
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