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Top Forums Shell Programming and Scripting Bash script to count and insert Post 302847497 by firefox2k2 on Tuesday 27th of August 2013 06:43:10 AM
Old 08-27-2013
Originally Posted by krishmaths
You may retain remaining lines using

awk '/^7150230/ {print substr($0, 1, 78) "" ++a substr($0, 80, 7) "" ++a substr($0, 89)} !/^7150230/ {print}' inputfile

Hi that's kind of working problem is when it gets into double digits it's moving everything after up a place, like its inserting an extra character rather than copying over. I have highlighted the problem below, thanks again for all the help.

71402994728-100            Y700/0                0060000000540000ST0000051300000ST    001                S        G             
71502304541-000            B1                    000000000000300100000001800001        2                                    S   
71502304540-000            B2                    000000000000300100000000000003        4                                        
7130200619798130823CV10003    5500038441        024                  024                                                        
71402994729-100            Y701/0                0060000000540000ST0000052920000ST    001                S        G            
71502304541-000            B1                    000000000000300100000001800005        6                                    S   
71502304540-000            B2                    000000000000300100000000000007        8                                        
7130200619799130823CV10003    5500038442        024                  024                                                        
71402994730-100            Y702/0                0060000000600000ST0000052800000ST    001                S        G             
71502304541-000            B1                    000000000000500100000001200009        10                                    S   
71502304540-000            B2                    0000000000005001000000000000011        12 

Test Your Knowledge in Computers #795
Difficulty: Easy
10 has three prime factors 1, 2 and 5.
True or False?

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PMDABASH(1)						      General Commands Manual						       PMDABASH(1)

pmdabash - Bourne-Again SHell trace performance metrics domain agent SYNOPSIS
$PCP_PMDAS_DIR/bash/pmdabash [-C] [-d domain] [-l logfile] [-I interval] [-t timeout] [-U username] configfile DESCRIPTION
pmdabash is an experimental Performance Metrics Domain Agent (PMDA) which exports "xtrace" events from a traced bash(1) process. This includes the command execution information that would usually be sent to standard error with the set -x option to the shell. Event metrics are exported showing each command executed, the function name and line number in the script, and a timestamp. Additionally, the process identifier for the shell and its parent process are exported. This requires bash version 4 or later. A brief description of the pmdabash command line options follows: -d It is absolutely crucial that the performance metrics domain number specified here is unique and consistent. That is, domain should be different for every PMDA on the one host, and the same domain number should be used for the same PMDA on all hosts. -l Location of the log file. By default, a log file named bash.log is written in the current directory of pmcd(1) when pmdabash is started, i.e. $PCP_LOG_DIR/pmcd. If the log file cannot be created or is not writable, output is written to the standard error instead. -s Amount of time (in seconds) between subsequent evaluations of the shell trace file descriptor(s). The default is 2 seconds. -m Maximum amount of memory to be allowed for each event queue (one per traced process). The default is 2 megabytes. -U User account under which to run the agent. The default is the unprivileged "pcp" account in current versions of PCP, but in older versions the superuser account ("root") was used by default. INSTALLATION
In order for a host to export the names, help text and values for the bash performance metrics, do the following as root: # cd $PCP_PMDAS_DIR/bash # ./Install As soon as an instrumented shell script (see INSTRUMENTATION selection below) is run, with tracing enabled, new metric values will appear - no further setup of the agent is required. If you want to undo the installation, do the following as root: # cd $PCP_PMDAS_DIR/bash # ./Remove pmdabash is launched by pmcd(1) and should never be executed directly. The Install and Remove scripts notify pmcd(1) when the agent is installed or removed. INSTRUMENTATION
In order to allow the flow of event data between a bash(1) script and pmdabash, the script should take the following actions: #!/bin/sh source $PCP_DIR/etc/ pcp_trace on $@ # enable tracing echo "awoke, $count" pcp_trace off # disable tracing The tracing can be enabled and disabled any number of times by the script. On successful installation of the agent, several metrics will be available: $ pminfo bash bash.xtrace.numclients bash.xtrace.maxmem bash.xtrace.queuemem bash.xtrace.count bash.xtrace.records bash.xtrace.parameters.parent bash.xtrace.parameters.lineno bash.xtrace.parameters.function bash.xtrace.parameters.command When an instrumented script is running, the generation of event records can be verified using the pmevent(1) command, as follows: $ pmevent -t 1 -x '' bash.xtrace.records host: localhost samples: all bash.xtrace.records["4538 ./ 1 2 3"]: 5 event records 10:00:05.000 --- event record [0] flags 0x19 (point,id,parent) --- 4538 bash.xtrace.parameters.parent 4432 bash.xtrace.parameters.lineno 43 bash.xtrace.parameters.command "true" 10:00:05.000 --- event record [1] flags 0x19 (point,id,parent) --- 4538 bash.xtrace.parameters.parent 4432 bash.xtrace.parameters.lineno 45 bash.xtrace.parameters.command "(( count++ ))" 10:00:05.000 --- event record [2] flags 0x19 (point,id,parent) --- 4538 bash.xtrace.parameters.parent 4432 bash.xtrace.parameters.lineno 46 bash.xtrace.parameters.command "echo 'awoke, 3'" 10:00:05.000 --- event record [3] flags 0x19 (point,id,parent) --- 4538 bash.xtrace.parameters.parent 4432 bash.xtrace.parameters.lineno 47 bash.xtrace.parameters.command "tired 2" 10:00:05.000 --- event record [4] flags 0x19 (point,id,parent) --- 4538 bash.xtrace.parameters.parent 4432 bash.xtrace.parameters.lineno 38 bash.xtrace.parameters.function "tired" bash.xtrace.parameters.command "sleep 2" FILES
$PCP_PMCDCONF_PATH command line options used to launch pmdabash $PCP_PMDAS_DIR/bash/help default help text file for the bash metrics $PCP_PMDAS_DIR/bash/Install installation script for the pmdabash agent $PCP_PMDAS_DIR/bash/Remove undo installation script for pmdabash $PCP_LOG_DIR/pmcd/bash.log default log file for error messages and other information from pmdabash PCP ENVIRONMENT
Environment variables with the prefix PCP_ are used to parameterize the file and directory names used by PCP. On each installation, the file /etc/pcp.conf contains the local values for these variables. The $PCP_CONF variable may be used to specify an alternative configura- tion file, as described in pcp.conf(5). SEE ALSO
bash(1), pmevent(1) and pmcd(1). Performance Co-Pilot PCP PMDABASH(1)

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