Converting seconds to time Post: 303013555

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Top Forums Shell Programming and Scripting Converting seconds to time Post 303013555 by kristinu on Friday 23rd of February 2018 06:58:52 AM

02-23-2018

Registered User

Converting seconds to time

I have a list of time spans in seconds, and want to compute the time span
as hh:mm:nn

I am coding in bash and have coded the following. However, the results are
wrong as "%.0f" rounds the values.

Example:

Code:

ftm: 25793.5
tmspan(hrs,min,sec): 7.16  429.89  25793.50

hh: 7
mm: 10
ss: -0
tmspan 7:10:1193.50

Code:

  tmspan_sec=`echo "($npt - 1) * $dlt" | bc -l`
  tmspan_min=`awk -v tm=$tmspan_sec 'BEGIN {printf "%.2f", tm/60.0}'`
  tmspan_hrs=`awk -v tm=$tmspan_sec 'BEGIN {printf "%.2f", tm/(60.0*60.0)}'`
  echo "tmspan(hrs,min,sec): $tmspan_hrs  $tmspan_min  $tmspan_sec"

  hh=`awk -v tm=$tmspan_sec 'BEGIN {printf "%.0f", tm / (60.0 * 60.0)}'`
  echo "hh: $hh" 
  mm=`awk -v tm=$tmspan_sec -v thh=$hh \
    'BEGIN {printf "%.0f", (tm-(thh*60.0*60.0))/60.0}'`
  echo "mm: $mm" 
  ss=`awk -v tm=$tmspan_sec -v thh=$hh -v tmm=$mm  \
    'BEGIN {printf "%.0f", (tm-(thh*60.0*60.0)-(tmm*60.0))/60.0}'`
  echo "ss: $ss"

kristinu

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LEARN ABOUT CENTOS

igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)

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