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Shell Programming and Scripting
awk and printf
Post 302306987 by xgringo on Tuesday 14th of April 2009 10:23:05 AM
04-14-2009
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Hi Friends,
Can anyone guide me how to compute sum of column4 from the below file x using awk command? when i do using awk I'm getting sum 7482350198352648.000000 which is not accurate.
$ cat x
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Target file contains short text (never more than 1 line) and filenames.
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TEXT1
filename1
TEXT2
TEXT3
filename3dddd
filename3dddd
TEXT4
filename4
TEXT5
filename5dddd
filename5dddd
filename5
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LEARN ABOUT DEBIAN
snmptrapfmt
SNMPTRAPFMT(8) System Manager's Manual SNMPTRAPFMT(8) NAME
snmptrapfmt - Receive and log SNMP trap messages from a trap handler. SYNOPSIS
snmptrapfmt [-d num] [-D] [-f cfgfile] DESCRIPTION
Snmptrapfmt receives SNMP trap data through a local pipe. The trap data is written to this pipe by a SNMP trap handler which is called by snmptrapd (configuration is done in /etc/snmp/snmptrapd.conf) during the installation if this package. Snmptrapfmt formats the received trap data according to the specifications in the configuration file /etc/snmp/snmptrapfmt.conf (see this file for the syntax). The output of the snmptrapfmt application may be written to a log file or forwarded to the syslog daemon. The option -d 1 should be specified to enable tracing. Trace information is then written to the file /var/tmp/snmptrapfmt.trc. If the option -f cfgfile is given, the output of the daemon is configured via the mentioned configuration file. If this option is not spec- ified, a default output format is used. If the option -D is given, the the program will daemonize into the background. The syntax of the configuration file is explained in /etc/snmp/snmptrapfmt.conf ! FILES
/etc/init.d/snmptrapfmt is the start/stop script. /etc/snmp/snmptrapfmt.conf is the configuration file. /var/run/snmptrapfmt.pid is the PID file. /etc/snmp/snmptrapd.conf is the configuration file of the snmptrapd daemon, which calls the trap handler snmptrapfmthdlr. /usr/sbin/snmptrapfmt is the executable of the application. /usr/sbin/snmptrapfmthdlr is the executable of the trap handler. /var/run/snmptrapfmt.p is the communication pipe between the trap handler snmptrapfmthdlr and the formatter snmptrapfmt. /var/tmp/snmptrapfmt.trc is the trace file if the option -d is specified. /var/log/snmptrapfmt.log is the log file as specified in the configuration file. SEE ALSO
snmptrapfmthdlr(8), syslog(8), variables(5), RFC 1155, RFC 1156, RFC 1157, SNMP Security Internet Drafts 4th Berkeley Distribution 19 DECEMBER 2002 SNMPTRAPFMT(8)