08-05-2010
awk removing sections of a file
I have a file that looks liek this (see below). can somebody provide me with and awk or sed command that can take a piece of the file starting from the time to the blank line and put in into another file.
For example: How would I get the data from 10:56:11 to the blank line.
Two things:
1) I want to leave the original file in tact.
2) I will know the value but my seconds may be off, so I would really only
want to match HH:MM instead of HH:MM:SS.
10:56:10
PID ELAPSED
1 11-18:33:15
73828 11-18:32:28
77906 11-18:32:29
10:56:11
PID ELAPSED
1 11-18:33:16
73828 11-18:32:29
77906 11-18:32:30
90208 11-18:32:30
10:58:10
PID ELAPSED
1 11-18:33:15
73828 11-18:32:28
77906 11-18:32:29
Thanks in advance to all who answer this post
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LEARN ABOUT MOJAVE
rwsnoop
rwsnoop(1m) USER COMMANDS rwsnoop(1m)
NAME
rwsnoop - snoop read/write events. Uses DTrace.
SYNOPSIS
rwsnoop [-jPtvZ] [-n name] [-p PID]
DESCRIPTION
This is measuring reads and writes at the application level. This matches the syscalls read, write, pread and pwrite.
Since this uses DTrace, only users with root privileges can run this command.
OPTIONS
-j print project ID
-P print parent process ID
-t print timestamp, us
-v print time, string
-Z print zone ID
-n name
process name to track
-p PID PID to track
EXAMPLES
Default output,
# rwsnoop
Print zone ID,
# rwsnoop -.Monitor processes named "bash", # rwsnoop -n bash
FIELDS
TIME timestamp, us
TIMESTR
time, string
ZONE zone ID
PROJ project ID
UID user ID
PID process ID
PPID parent process ID
CMD command name for the process
D direction, Read or Write
BYTES total bytes during sample
FILE filename, if file based. Reads and writes that are not file based, for example with sockets, will print "<unknown>" as the file-
name.
DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
bose descriptions explaining the output.
EXIT
rwsnoop will run forever until Ctrl-C is hit.
AUTHOR
Brendan Gregg [Sydney, Australia]
SEE ALSO
rwtop(1M), dtrace(1M)
version 0.70 Jul 24, 2005 rwsnoop(1m)