Time take between first and last file creation Post: 302838943

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Top Forums Shell Programming and Scripting Time take between first and last file creation Post 302838943 by krishmaths on Wednesday 31st of July 2013 01:16:24 AM

07-31-2013

Registered User

Do you have control over the process that creates those multiple files? If yes then you can add something like this in the code.

At the start of the script:

Code:

startsec=$(date +%s)

At the end of the script:

Code:

 endsec=$(date +%s)
 duration=$(expr $endsec - $startsec)
 echo $duration

---------- Post updated at 10:46 AM ---------- Previous update was at 10:16 AM ----------

In case you need to find the difference between first file and last file in a directory, below script can be used.

Code:

DIR=/your/directory

first_ts=$(ls -lt $DIR | tail -1 | awk '{print $8}')
last_ts=$(ls -ltr $DIR | tail -1 | awk '{print $8}')

first_mm=$(echo $first_ts | cut -d":" -f 1)
first_ss=$(echo $first_ts | cut -d":" -f 2)
last_mm=$(echo $last_ts | cut -d":" -f 1)
last_ss=$(echo $last_ts | cut -d":" -f 2)

first_totsec=$(expr $first_mm \* 60 + $first_ss)
last_totsec=$(expr $last_mm \* 60 + $last_ss)

duration=$(expr $last_totsec - $first_totsec)

if [ $duration -gt 60 ]
then
  echo "\n" Diff between first and last file mtime: $(echo $duration | awk '{printf("%2d min %2d sec",$1/60,$1%60)}') "\n"
else
  echo "\n Diff between first and last file mtime: $duration seconds.\n"
fi

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echo

ECHO(1) 						    BSD General Commands Manual 						   ECHO(1)

NAME

     echo -- write arguments to the standard output

SYNOPSIS

     echo [-n] [string ...]

DESCRIPTION

     The echo utility writes any specified operands, separated by single blank (' ') characters and followed by a newline ('
') character, to the
     standard output.

     The following option is available:

     -n    Do not print the trailing newline character.

     The end-of-options marker -- is not recognized and written literally.

     The newline may also be suppressed by appending 'c' to the end of the string, as is done by iBCS2 compatible systems.  Note that the -n
     option as well as the effect of 'c' are implementation-defined in IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002.  For porta-
     bility, echo should only be used if the first argument does not start with a hyphen ('-') and does not contain any backslashes ('').  If
     this is not sufficient, printf(1) should be used.

     Most shells provide a builtin echo command which tends to differ from this utility in the treatment of options and backslashes.  Consult the
     builtin(1) manual page.

EXIT STATUS

     The echo utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     builtin(1), csh(1), printf(1), sh(1)

STANDARDS

     The echo utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002.

BSD
								 November 12, 2010							       BSD

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