Match Pattern after certain pattern and Print words next to Pattern Post: 302813695

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Top Forums UNIX for Dummies Questions & Answers Match Pattern after certain pattern and Print words next to Pattern Post 302813695 by 100bees on Tuesday 28th of May 2013 02:25:12 AM

05-28-2013

Registered User

Match Pattern after certain pattern and Print words next to Pattern

Hi experts , im new to Unix,AWK ,and im just not able to get this right.
I need to match for some patterns if it matches I need to print the next few words to it.. I have only three such conditions to match… But I need to print only those words that comes after satisfying the first condition.. iez..
Though before LLL SSS I have TTT , I need to print only the ones that comes after LLL SSS to AAA RRR ,and again when I encounter LLL SSS need to do the same , I have tried declaring a awk flag variable, but it doesn’t seem to work. Kindly help me.

Code:

var1="LLL";var2="SSS";var3="TTT";var4="AAA";var5="RRR";
awk -v flag=1 '{
for (m=1;m<=NF;m++)
if($m~m/'$var1'/ && $(m+1)~/'$var2'/)
print "ABCD: ", $(m+2),$(m+3),$(m+4)
{flag=0};
else {
if {flag==0 && $m~/'var3'/)
print "EFG : ", $(m+1);
else { 
if (flag==0 && $m~/'$var4'/ && $(m+1)~/'var5'/)
print "HIJ: ",$(m+2),$(m+3) 
{flag=1}; 
}
}
}
}' flineame

My file is something like this:

Code:

AAA RRR H I
DDDD OOO HI J UGC RR
TTT YYY
LLLLL IIIIII
LLL SSS A B C D
N
DDDD TTT EFG
BBB AAA RRR J K
HHHHHH RRRRRR 
LLL SSS E H G H
N
DDDD TTT EFG
UUUUU BBB AAA RRR J K

Last edited by Scott; 05-28-2013 at 03:32 AM.. Reason: Added code tags; removed formatting

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tcl_stringmatch

Tcl_StringMatch(3)					      Tcl Library Procedures						Tcl_StringMatch(3)

__________________________________________________________________________________________________________________________________________________

NAME

       Tcl_StringMatch, Tcl_StringCaseMatch - test whether a string matches a pattern

SYNOPSIS

       #include <tcl.h>

       int
       Tcl_StringMatch(str, pattern)

       int
       Tcl_StringCaseMatch(str, pattern, flags)

ARGUMENTS

       const char *str (in)		 String to test.

       const char *pattern (in) 	 Pattern to match against string.  May contain special characters from the set *?[].

       int flags (in)			 OR-ed combination of match flags, currently only TCL_MATCH_NOCASE.  0 specifies a case-sensitive search.
_________________________________________________________________

DESCRIPTION

       This  utility  procedure  determines  whether  a  string  matches  a given pattern.  If it does, then Tcl_StringMatch returns 1.  Otherwise
       Tcl_StringMatch returns 0.  The algorithm used for matching is the same algorithm used in the string match Tcl command and  is  similar	to
       the algorithm used by the C-shell for file name matching;  see the Tcl manual entry for details.

       In  Tcl_StringCaseMatch,  the algorithm is the same, but you have the option to make the matching case-insensitive.  If you choose this (by
       passing TCL_MATCH_NOCASE), then the string and pattern are essentially matched in the lower case.

KEYWORDS

       match, pattern, string

Tcl									8.5							Tcl_StringMatch(3)

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