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Top Forums Shell Programming and Scripting Should pick latest file within past 3 days using UNIX script and perform steps in message below. Post 303008735 by sunnykamal59 on Tuesday 5th of December 2017 10:59:24 AM
Old 12-05-2017
Hi Rudic Thank you for explanation.I understood your logic except the below.

As mentioned We will have multiple files in a folder with different file names we should pick only the files which start with abc_*_*.dat which came with in last 3 days.Can you please tell how we are doing this?

And also filetimestamp and the $THREEDAYSAGO values/format is fifferent .how we are comparing both? in if condition?Can you explain with example.

Filenames in folder:

Code:
1)abc_20171204.052389.dat
2)abc_20171204.052428.dat
3)def_20171204.052440.dat
4)ghf_20171204.054340.dat

Code:
C:

for file in *_*_*.dat
do
   FILESTAMP=${file#*_}
   FILESTAMP=${FILESTAMP%_*}

Moderator's Comments:
Mod Comment Please use CODE tags as required by forum rules!

And, DON'T modify posts (here: #1) if others already referenced it, pulling the rug from under their feet!

Last edited by sunnykamal59; 12-05-2017 at 01:55 PM.. Reason: Added CODE tags and descritpion
 

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g_principal(1)					 GROMACS suite, VERSION 4.5.4-dev-20110404-bc5695c				    g_principal(1)

NAME
g_principal - calculates axes of inertia for a group of atoms VERSION 4.5.4-dev-20110404-bc5695c SYNOPSIS
g_principal -f traj.xtc -s topol.tpr -n index.ndx -a1 axis1.dat -a2 axis2.dat -a3 axis3.dat -om moi.dat -[no]h -[no]version -nice int -b time -e time -dt time -tu enum -[no]w -[no]foo DESCRIPTION
g_principal calculates the three principal axes of inertia for a group of atoms. FILES
-f traj.xtc Input Trajectory: xtc trr trj gro g96 pdb cpt -s topol.tpr Input Structure+mass(db): tpr tpb tpa gro g96 pdb -n index.ndx Input, Opt. Index file -a1 axis1.dat Output Generic data file -a2 axis2.dat Output Generic data file -a3 axis3.dat Output Generic data file -om moi.dat Output Generic data file OTHER OPTIONS
-[no]hno Print help info and quit -[no]versionno Print version info and quit -nice int 19 Set the nicelevel -b time 0 First frame (ps) to read from trajectory -e time 0 Last frame (ps) to read from trajectory -dt time 0 Only use frame when t MOD dt = first time (ps) -tu enum ps Time unit: fs, ps, ns, us, ms or s -[no]wno View output .xvg, .xpm, .eps and .pdb files -[no]foono Dummy option to avoid empty array SEE ALSO
gromacs(7) More information about GROMACS is available at <http://www.gromacs.org/>. Mon 4 Apr 2011 g_principal(1)
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