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Top Forums Shell Programming and Scripting Find specific pattern and change some of block values using awk Post 303025097 by vgersh99 on Wednesday 24th of October 2018 10:06:31 AM
Old 10-24-2018
a but convoluted and could be improved, but it's a start.
awk -f alex.awk file1 file2 where file1 is your 'command output', file2 is the other file and alex.awk is:
Code:
BEGIN{ new="-new"}
FNR==NR {
  f1=$1 "-new"
  kA[f1]
  for(i=2;i<=NF;i++)
   kvA[f1,i]=$i
   next;
}

/^[[]/ {
   k=substr($0,2,index($0,"]")-2)
   if(k in kA) {
     found=1
     kvI=0
   }
   else
     found=kvI=0
}
found && kvI++{$NF=((k,kvI) in kvA)?kvA[k,kvI]:$NF}
1

Or if you want to integrate it with the output of a comand without a temp file:
myCommand | awk -f alex.awk - file2

Last edited by vgersh99; 10-24-2018 at 11:27 AM..
This User Gave Thanks to vgersh99 For This Post:
 

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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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