Thanks for your reply .Can you please please explain(step by step) in detail?I'm new to scripting.
*When i try to execute MIDNIGHT=$(date -d 0:0 +'%s') the result is '1512363600' . what is this number?is it the date?
*((THREEDAYSAGO=MIDNIGHT - 3*3600*24)) ..why we are doing 3*36*24?
*if we have 3 files selected in 3 days ,each file might have different string in line no#19 position 31,we should only select the file which has text ‘S A M P L E’ in the file.how we are doing this?
*And also can you explain this logic:
Code:
for file in *_*_*.dat
do
FILESTAMP=${file#*_}
FILESTAMP=${FILESTAMP%_*}
if [[ $(date -d $FILESTAMP +'%s') -ge $THREEDAYSAGO ]]
then
awk '
NR==19{
if (substr($0,31,11) == "S A M P L E")
EC=1
exit
}
END { exit EC }' $file
Moderator's Comments:
Please use CODE tags (as required by forum rules) when displaying sample input, sample output, and code segments.
Last edited by Don Cragun; 12-05-2017 at 12:46 AM..
Reason: Add CODE and ICODE tags.
Hi ,
I have a file abc.txt which actually contains a directory and file list
-rwxrwxr-x 1 dmadmin mmasapp 334 Dec 03 2001 aafs_006.ksh
-rwxrwxr-x 1 dmadmin mmasapp 1270 Nov 13 2001 mcl_deposit_ftp.ksh
-rwxrwxr-x 1 dmadmin mmasapp 925 Oct 31 2001 ... (1 Reply)
I have a requirement which will select the files with a specific naming convention which got created in past 7 days in a specific directory.Lets say the directory is /data/XYZ and the file names follow the below nomenclature like Daily_File*.txt
I just need to create one CSV file which will... (12 Replies)
Hi All,
I have a file which contains the listing of another directory:
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Suppose I have a unix file which contain a lost of 60 files like
filename1
filename2
...
..
...
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30-40 files in 4 run
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/
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GR_PLOT_FLOAT(1) User Commands GR_PLOT_FLOAT(1)NAME
gr_plot_float - plot floating point binary date using GNU Radio
SYNOPSIS
gr_plot_float: [options] input_filenames
DESCRIPTION
Takes a GNU Radio floating point binary file and displays the samples versus time. You can set the block size to specify how many points to
read in at a time and the start position in the file. By default, the system assumes a sample rate of 1, so in time, each sample is plotted
versus the sample number. To set a true time axis, set the sample rate (-R or --sample-rate) to the sample rate used when capturing the
samples.
OPTIONS -h, --help
show this help message and exit
-B BLOCK, --block=BLOCK
Specify the block size [default=1000]
-s START, --start=START
Specify where to start in the file [default=0]
-R SAMPLE_RATE, --sample-rate=SAMPLE_RATE
Set the sampler rate of the data [default=1.0]
SEE ALSO gr_plot_char(1)gr_plot_const(1)gr_plot_fft_c(1)gr_plot_fft_f(1)gr_plot_float(1)gr_plot_int(1)gr_plot_iq(1)gr_plot_psd_c(1)gr_plot_psd_f(1)gr_plot_qt(1)gr_plot_short(1)gr_plot_float 3.5 December 2011 GR_PLOT_FLOAT(1)
12-04-2017
