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  • redirection of awk print to a file

    - by sushil kumar
    I can get the cpu Mhz of a solaris machine by following command. % /usr/sbin/psrinfo -v | grep operate |head -1 | awk '{print $6}' 1200 when I run the following command, awk output is not getting redirected. % csh -cf "/usr/sbin/psrinfo -v | grep operate |head -1 | awk '{print $6}' > myoutput" % cat myoutput The sparcv9 processor operates at 1200 MHz, how to get following result % cat myoutput 1200

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  • Awk appears to disconnect my DB2 session when piping

    - by greggannicott
    Hello. I'm attempting to run the following command in Korn Shell (ksh): set -A INDEXES `db2 "describe indexes for table ${TABSCHEMA}.${TABNAME} show detail" | awk '{print $1"."$2}'` What I'm attempting to achieve is place a list of the indexes over a particular table into an array which I can later iterate through. The problem is, when I run the above command the contents of the array starts with the error message of 'SQL1024N' (which is telling me that the database connection does not exist). However, if I remove the 'awk' at the end of the statement as so: set -A INDEXES `db2 "describe indexes for table ${TABSCHEMA}.${TABNAME} show detail"` it works just fine (well, to the extent its returning data. Obviously without the awk I'm not capturing the correct data). Does anyone know why the awk is having this affect? I appreciate there is more than one way to get this data, but it baffles me as to why this is happening. Thanks in advance. Greg.

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  • Using Find, Grep, Awk, or Sed To Rename Server After Cloning

    - by ServerChecker
    My client tells me they have cloned a VM in VMWare of an Ubuntu Linux server. Now it's my job to get into all the files and find out what still has the old server name of "bishop" and change it to something else. Also, the IP address is changed and I need to search for that too. How would you typically use find, grep, awk, or sed to find these files and then change them rapidly? In the end, I want to make a Bash script. Of course, I'm not expecting you to tell me every file, but just want to know the technique for finding files with "x" in it and then switching that rapidly with "y".

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  • Need help on awk/sed/ perl pattern with regex / grep

    - by Jayakumar K
    Sample file output from grep file1:my $dbh = DBI->connect("dbi:mysql:$database_name", $DB_USER, $DB_PASSWD) file2:($dbc,$rc) = mysql_connect($mysql_host,$mysql_user,$mysql_password); The awk pattern should get values databasename, DB_USER And DB_PASSWD from line 1 and mysql_host,mysql_user and mysql_password from line 2 i.e all variables inside the function. Then it should search for the declaration of that variable in file before : (semicolon) ex: databasename in file1 may be $databasename = "dbweb" ; ex: mysql_user in file2 may be $mysql_user="root" ; Result: It should display variable declarations of all 6 variables along with filenames file2:$mysql_host = "db1"; file2:$mysql_user = "root"; file1:$DB_USER = 'user';

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  • how to substitude in multiple lines between {{{ and }}} with sed or awk

    - by chris
    First give out the text example: .... text ,.. {{{python string1 = 'abcde' string2 = '12345' print(string1[[1:3]]) print(string2[[:-1]]) }}} .... text ,.. the [[ and ]] happened outside of {{{ too. And maybe there is spaces and tabs before {{{ and }}}. I want to substitude all [[ and ]] into [ and ] between {{{ and }}}. NOTICE: I need to write the result back to original file. ( Maybe sed or awk is not the only way to do this ? )

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  • linux + create host file from CSV file by sed or awk or perl

    - by yael
    I have the following CSV file this file defined which Linux machine exist in the system and there ip's my target is to create host file from this file please advice how to create host file as example 1 from my CSV file ( I need to match the IP address from CSV file and put it on the first field of the host file , then match the LINUX name and locate this name in the sec field – as example 1 ) remark - should be performed by sed or awk or perl .. , I need to write the solution in my bash script CSV file , machine , VM-LINUX1 , SZ , Phy , 10.213.158.18 , PROXY , VM-LINUX2 , SZ , 10.213.158.19 , OLD HW , VM-LINUX3 , SZ , 10.213.158.20 , , VM-LINUX4 , SZ , Phy , 10.213.158.21 , , VM-LINUX5 , SZ , Phy , OUT , EXT , LAN3 , 10.213.158.22 , INTERNAL , VM-LINUX6 , SZ , Phy , 10.213.158.23 , , server , new HW , VM-LINUX7 , SZ , Phy , 10.213.158.24 , OUT, LAN3 , VM-LINUX8 , SZ , 10.213.158.25 , OLD HW , machine , VM-LINUX9 , SZ , Phy , INT , 10.213.158.26 , LAN2, AN45, , VM-LINUX10 , SZ , Phy , 10.213.158.27 , , VM-LINUX11 , SZ , Phy , LAN5 , 10.213.158.28 , example 1 ( host file ) 10.213.158.18 VM-LINUX1 10.213.158.19 VM-LINUX2 10.213.158.20 VM-LINUX3 10.213.158.21 VM-LINUX4 10.213.158.22 VM-LINUX5 10.213.158.23 VM-LINUX6 10.213.158.24 VM-LINUX7 10.213.158.25 VM-LINUX8 10.213.158.26 VM-LINUX9 10.213.158.27 VM-LINUX10 10.213.158.25 VM-MACHINE8 10.213.158.26 STAR9 10.213.158.27 TOP10 10.213.158.28 SERVER11

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  • how to delete a line from file using awk filtered by some string

    - by embedded
    I have a file delimited by space. I need to write an awk command that receives a host name argument and it should replace the host name if it already defined in the file. It must be a full match not partially - if the file contains this host name: localhost searching for "ho" will fail and it will be added to the end of the file. another option is a delete: again awk receives host name argument and it should remove it from the file if exists. This is what I have so far: (It needs some enhancements) if [ "$DELETE_FLAG" == "" ]; then # In this case the entry should be added or updated # if clause deals with updating an existing entry # END clause deals with adding a new entry awk -F"[ ]" "BEGIN { found = 0;} \ { \ if ($2 == $HOST_NAME) { \ print \"$IP_ADDRESS $HOST_NAME\"; \ found = 1; \ } else { \ print \$0; \ } \ } \ END { \ if (found == 0) { \ print \"$IP_ADDRESS $HOST_NAME\"; } \ } " \ /etc/hosts > /etc/temp_hosts else # Delete an existing entry awk -F'[ ]' '{if($2 != $HOST_NAME) { print $0} }' /etc/hosts > /etc/temp_hosts fi Thanks

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  • AWK If/ElseConditional Problem

    - by neversaint
    I have a data that looks like this: foo foo scaffold_7 1 4845 6422 4845 bar bar scaffold_7 -1 14689 16310 16310 What I want to do is to process the above lines where I just want to print column 1,2,3, 7 and one more column after 7th. But with condition when printing column 7 onwards. Below is my awk script: awk '{ if ($4=="+") { {end=$6-$5}{print $1 "\t" $2 "\t" $3 "\t" $4 "\t" $7 "\t" end+$7} } else {end=$6-$5}{print $1 "\t" $2 "\t" $3 "\t" $4 "\t" $7-end "\t" $7} }' But why it doesn't achieve the desired result like this? foo foo scaffold_7 1 4845 6422 bar bar scaffold_7 -1 14689 16310 Note that the arithmetic (e.g. $7-end or end+$7) is a must. So we can't just swap column from input file. Furthermore this AWK will be inside a bash script.

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  • READING stderr from within Awk

    - by Dave
    I want to keep SSH debug info separate (and logged) from other input. However, if I simply redirect stderr to a log file, I risk combining output from SSH and output from the remote process on the host machine (that might send something to stderr): $ ssh -v somemachine 2 file.log So, I want to filter out only those lines that match "debug1": $ ssh -v somemachine | awk '/debug1/ {print "file.log"; next} {print}' Good so far, BUT ssh's debug output goes to stderr. So... $ ssh -v somemachine 2& | awk '/debug1/ {print "file.log"; next} {print}' Foiled again! I don't want to mix stdout and stderr. BAD! What does a kid like me do? I was about to go the route of named pipes or some such wildeness, but really, all I need to know is how to get awk to match patterns from stderr ONLY.

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  • c, pass awk syntax as argument to execl

    - by Skuja
    I want to run following command in c to read systems cpu and memory usage: ps aux|awk 'NR > 0 { cpu +=$3; ram+=$4 }; END {print cpu,ram}' I am trying to pass it to execl command and after that read its output: execl("/bin/ps", "/bin/ps", "aux|awk", "'NR > 0 { cpu +=$3; ram+=$4 }; END {print cpu,ram}'",(char *) 0); but in terminal i am getting following error: ERROR: Unsupported option (BSD syntax) I would like to know how to properly pass awk as argument to execl?

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  • Awk or Sed: File Annotation

    - by lukmac
    Hallo, my SO friend, my question is: Specification: annotate the fields of FILE_2 to the corresponding position of FILE_1. A field is marked, and hence identified, by a delimiter pair. I did this job in python before I knew awk and sed, with a couple hundred lines of code. Now I want to see how powerful and efficient awk and sed can be. Show me some masterpiece of awk or sed, please! The delimiter pairs can be configured in FILE_3, but let's assume the first delimiter in a pair is 'Marker (number i) start', the other one is 'Marker (number i) done' Example: |-----------------FILE_1------------------| text text text text blabla Marker_1_start Marker_1_done any text in between blabla Marker_2_start Marker_2_done text text |-----------------FILE_2------------------| Marker_1_start 11 1111 Marker_1_done Marker_2_start 2222 22 Marker_2_done Expected Output: |-----------------FILE_Out------------------| text text text text blabla Marker_1_start 11 1111 Marker_1_done any text in between blabla Marker_2_start 2222 22 Marker_2_done text text

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  • bash/sed/awk/etc remove every other newline

    - by carillonator
    a bash commands outputs this: Runtime Name: vmhba2:C0:T3:L14 Group State: active Runtime Name: vmhba3:C0:T0:L14 Group State: active unoptimized Runtime Name: vmhba2:C0:T1:L14 Group State: active unoptimized Runtime Name: vmhba3:C0:T3:L14 Group State: active Runtime Name: vmhba2:C0:T2:L14 Group State: active I'd like to pipe it to something to make it look like this: Runtime Name: vmhba2:C0:T1:L14 Group State: active Runtime Name: vmhba3:C0:T3:L14 Group State: active unoptimized Runtime Name: vmhba2:C0:T2:L14 Group State: active [...] i.e. remove every other newline I tried ... |tr "\nGroup" " " but it removed all newlines and ate up some other letters as well. thanks

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  • awk + remove all not uniq lines except the first line uniq (FILE NAME)

    - by yael
    hi I have the following file How to remove by sed all FILE NAME lines except the first uniq FILE NAME For example need to remove all FILE NAME lines from the file except the first: FILE NAME: /dir1/dir2/dir3/dir4/dir5/file FILE NAME: /dirA/dirB/dirC/dirD/dirE/file the file: FILE NAME: /dir1/dir2/dir3/dir4/dir5/file PARAMETER NAME: blablabla TARGET FILE: 12 SOURCE FILE: 565 FILE NAME: /dir1/dir2/dir3/dir4/dir5/file PARAMETER NAME: blablabla TARGET FILE: 18 SOURCE FILE: 552 FILE NAME: /dir1/dir2/dir3/dir4/dir5/file PARAMETER NAME: blablabla TARGET FILE: 14 SOURCE FILE: 559 FILE NAME: /dirA/dirB/dirC/dirD/dirE/file PARAMETER NAME: blablabla TARGET FILE: 134 SOURCE FILE: 344 FILE NAME: /dirA/dirB/dirC/dirD/dirE/file PARAMETER NAME: blablabla TARGET FILE: 13 SOURCE FILE: 445 FILE NAME: /dirA/dirB/dirC/dirD/dirE/file PARAMETER NAME: blablabla TARGET FILE: 13 SOURCE FILE: 434

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  • split a textfile after each n matches to a new file using sed or awk

    - by ozz
    i tried to split a file in parts of n matches each. The file is just one line and the seperator is '<br>' foo<br>bar<br>.....<br> I just want to split the file in parts, where each file has 100 datasets (text plus <br>)( normaly 100 datasets, but at the end maybe less) I already played around with this ... split-file-in-2-with-sed and this split-one-file-into-multiple-files-based-on-pattern sed.exe -e "^.*.<br>{0,100}/g" < original.txt > first_half.txt The split do not work an the result is only 1 file instead of many.

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  • perl equivalent to awk /text/,/END/

    - by kSiR
    I am looking to replace a nasty shell script that uses awk to trim down some html, problem is I cannot find anything in perl that does the aforementioned function awk '/<TABLE\ WIDTH\=\"100\%\" BORDER\=1\ CELLSPACING\=0><TR\ class\=\"tabhead\"><TH>State<\/TH>/,/END/' How can I do this in perl?

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  • Piping a bash variable into awk and storing the output

    - by Andrew Smith
    Hello, To illustrate my problem, TEST="Hi my name is John" OUTP=`echo $TEST | awk '{print $3}'` echo $OUTP What I would expect this to do is pass the $TEST variable into awk and store the 3rd word into $OUTP. Instead I get "Hi: not found", as if it is expecting the input to be a file. If I pass just a string instead of a variable, however, there is no problem. What would be the best way to approach this? Thanks all!

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  • awk - Remove line if field is duplicate

    - by Kyle
    Looking for an awk (or sed) one-liner to remove lines from the output if the first field matches. An example for removing duplicate lines I've seen is: awk 'a !~ $0; {a=$0}' Tried using it for a basis with no luck (I thought changing the $0's to $1's would do the trick, but didn't seem to work).

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  • time calculation with awk

    - by vbd
    I've got a file, which looks like: Coding |2010-04-20 12:52|2010-04-20 14:11 Documentation|2010-04-20 22:56|2010-04-21 01:13 Coding |2010-04-21 09:51|2010-04-21 10:58 Coding |2010-04-21 13:11|2010-04-21 14:21 What's the best way - I'm thinking of awk - to do time calculations. As result I expect: 2010-04-20 Coding 69 2010-04-21 Documentation 137 2010-04-21 Coding 137 Can this be done with awk?

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  • Using awk to return only certain chunks of data

    - by Koriar
    I'm not 100% certain how to phrase my question simply, so I apologize if this has been answered somewhere and I was just unable to find it. What I have are debug logs with authentication packets in them along with a bunch of other output. I need to search through about 2 million lines of logs to find every packet that contains a certain mac address. The packets look something like this (slightly censored): -----------------[ header ]----------------- Event: Authd-Response (1900) Sequence: -54 Timestamp: 1969-12-31 19:30:00 (0) ---------------[ attributes ]--------------- Auth-Result = Auth-Accept Service-Profile-SID = 53 Service-Profile-SID = 49 RADIUS-Access-Accept-Attr/WiMAX-Capability = 0x(numbers) Session-Timeout = 3600 Service-Profile-SID = 4 Service-Profile-SID = 29 Chargeable-User-Identity = "(Numbers)" User-Password = "(the MAC address I'm looking for)" -------------------------------------------- However there are about 10 different possible types with different possible lengths. They all start with the header line and end with the all-dashes line. I've had success using awk to get the code blocks themselves using this: awk '/-----------------\[ header \]-----------------/,/--------------------------------------------/' filename.txt But I was hoping to be able to use it to return only the packets which contain the MAC address that I need. I've been trying to figure this out for a few days now and I'm pretty stuck. I could try and write a bash script, but I could swear that I've used awk to do something like this before...

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  • What is Perl's equivalent to awk's /text/,/END/ ?

    - by kSiR
    I am looking to replace a nasty shell script that uses awk to trim down some HTML. The problem is I cannot find anything in Perl that does the aforementioned function awk '/<TABLE\ WIDTH\=\"100\%\" BORDER\=1\ CELLSPACING\=0><TR\ class\=\"tabhead\"><TH>State<\/TH>/,/END/' How can I do this in Perl? the expected output would be <TABLE WIDTH="100%" BORDER=1 CELLSPACING=0><TR class="tabhead"><TH>State</TH> The Perl flipflop operator gives me WAY more. (Everything between the asterisks is junk) *<h2>Browse Monitors (1 out of 497)</h2><br><font size="-1" style="font-weight:normal"> Use the <A HREF=/SiteScope/cgi/go.exe/SiteScope?page=monitorSummary&account=login15 >Monitor Description Report</a> to view current monitor configuration settings.</font>*<TABLE WIDTH="100%" BORDER=1 CELLSPACING=0><TR class="tabhead"><TH>State</TH>

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  • How to use regex to match ASTERISK in awk

    - by Ken Chen
    I'm stil pretty new to regular expression and just started learning to use awk. What I am trying to accomplish is writing a ksh script to read-in lines from text, and and for every lines that match the following: *RECORD 0000001 [some_serial_#] to replace $2 (i.e. 000001) with a different number. So essentially the script read in batch record dump, and replace the record number with date+record#, and write to separate file. So this is what I'm thinking the format should be: awk 'match($0,"/*FTR")!=0{$2="$DATE-n++"; print $0} match($0,"/*FTR")==0{print $0}' $BATCH > $OUTPUT but obviously "/*FTR" is not going to work, and I'm not sure if changing $2 and then write the whole line is the correct way to do this. So I am in need of some serious enlightenment.

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  • Optimize grep, awk and sed shell stuff

    - by kockiren
    I try to sum the traffic of diffrent ports in the logfiles from "IPCop" so i write and command for my shell, but i think its possible to optimize the command. First a Line from my Logfile: 01/00:03:16 kernel INPUT IN=eth1 OUT= MAC=xxx SRC=xxx DST=xxx LEN=40 TOS=0x00 PREC=0x00 TTL=98 ID=256 PROTO=TCP SPT=47438 DPT=1433 WINDOW=16384 RES=0x00 SYN URGP=0 Now i grep with following Command the sum of all lengths who contains port 1433 grep 1433 log.dat|awk '{for(i=1;i<=10;i++)if($i ~ /LEN/)print $i};'|sed 's/LEN=//g;'|awk '{sum+=$1}END{print sum}' The for loop i need because the LEN-col is not on same position at all time. Any suggestion for optimizing this command? Regards Rene

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  • AWK: is there some flag to ignore comments?

    - by HH
    Comment rows are counted in the NR. Is there some flag to ignore comments? How can you limit the range in AWK, not like piping | sed -e '1d', to ignore comment rows? Example $ awk '{sum+=$3} END {avg=sum/NR} END {print avg}' coriolis_data 0.885491 // WRONG divided by 11, should be by 10 $ cat coriolis_data #d-err-t-err-d2-err .105 0.005 0.9766 0.0001 0.595 0.005 .095 0.005 0.9963 0.0001 0.595 0.005 .115 0.005 0.9687 0.0001 0.595 0.005 .105 0.005 0.9693 0.0001 0.595 0.005 .095 0.005 0.9798 0.0001 0.595 0.005 .105 0.005 0.9798 0.0001 0.595 0.005 .095 0.005 0.9711 0.0001 0.595 0.005 .110 0.005 0.9640 0.0001 0.595 0.005 .105 0.005 0.9704 0.0001 0.595 0.005 .090 0.005 0.9644 0.0001 0.595 0.005

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