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Full Discussion: Extract lines if string found from last 30 min only
Top Forums UNIX for Beginners Questions & Answers Extract lines if string found from last 30 min only Post 303030518 by nezabudka on Tuesday 12th of February 2019 10:17:21 AM
Old 02-12-2019
Errors may occur with this key.
%_d
better try to change the format in the log and use %d
If the information is collected in a several days

--- Post updated at 14:28 ---

Code:
awk -v d="$(LANG=C date -d -30minutes -u +"%b %_d, %Y, %T,%3N %p %Z")" -F "<|>" '($2 > d) {print}' file

--- Post updated at 14:33 ---

some nanoseconds in the log have 2 digits?

--- Post updated at 15:03 ---

cut off nanoseconds
Code:
awk -v d="$(LANG=C date -d -30minutes -u +"%b %_d, %Y, %T")" -F "<|>" '
(gensub(/,[^,]*$/, "", 1, $2) > d)      {print}
' file

--- Post updated at 15:17 ---

may be PM and UTC need to save?
than:
Code:
date -d -30minutes -u +"%b %_d, %Y, %T %p %Z"
gensub(/(,[0-9]+ )([^,]*)$/, " \\2", 1, $2)

Last edited by nezabudka; 02-12-2019 at 02:01 PM..
These 2 Users Gave Thanks to nezabudka For This Post:
Neo RudiC
 

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LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)
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