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Top Forums Shell Programming and Scripting Explanation regarding escape formating Post 302784569 by Yoda on Friday 22nd of March 2013 12:56:14 PM
Old 03-22-2013
The code is pretty much straightforward. Here is the explanation:
Code:
awk '
        /TIME:/ {                                       # Search pattern: TIME:
                        T = $0                          # If found assign current record: $0 to variable: T
                        gsub(/[ \t]*TIME: | to/, x, T)  # Substitute 0 or more occurrence of space or tab followed by TIME: with null in variable: T
        }                                               # Also Substitute space followed by to with null in variable: T

        /ax:/ {                                         # Search pattern: ax:
                        AX = $NF                        # If found assign last field: $NF to variable: AX
        }

        /aY:/ {                                         # Search pattern: aY:
                        AY = $NF                        # If found assign last field: $NF to variable: AY
        }

        /aZ:/ {                                         # Search pattern: aZ:
                        AZ = $NF                        # If found assign last field: $NF to variable: AZ
        }

        /^[0-9]/ {                                      # Search pattern: ^[0-9] (record starting with digits)
                        R = $0                          # If found assign current record: $0 to variable: R
                        sub(/\/[ \t]*[0-9]*:/, x, R)    # Substitute 0 or more occurrence of space or tab & by 0 or more occurrence of digits with null
                        print T, AX, AY, AZ, R          # Print values of all variables.
        }

' file

 

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QSTAIL(1)							  qstail man page							 QSTAIL(1)

NAME
qstail - Utility prints the end of a log file starting at the specified pattern. SYNOPSIS
qstail -i <path> -p <pattern> DESCRIPTION
qstail shows the end of a log file beginning with the line containing the specified pattern. This may be used to show all lines which has been written after a certain event (e.g., server restart) or time stamp. OPTIONS
-i <path> Input file to read the data from. -p <pattern> Search pattern (literal string). SEE ALSO
qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qslog(1), qslogger(1), qspng(1), qsrotate(1), qssign(1) AUTHOR
Pascal Buchbinder, http://opensource.adnovum.ch/mod_qos/ mod_qos utilities 10.8 June 2012 QSTAIL(1)
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