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Top Forums Shell Programming and Scripting Merge two non-consecutive lines based on line number or string Post 302523044 by danmero on Tuesday 17th of May 2011 03:55:12 PM
Old 05-17-2011
Code:
# awk -F'[: ,]' '{
        if(/START/){
                        a[$(NF-1)]=((a[$(NF-1)])?a[$(NF-1)] OFS:x)$1
                        }
        if(/DONE/){
                        b[$(NF-1)]=((b[$(NF-1)])?b[$(NF-1)] OFS:x)$1
                        }
}
END{
        for (i in a){
                        split(b[i],d,OFS)
                        split(a[i],c,OFS)
                        for(j=1;j<=length(c);j++){
                                        print c[j],d[j]
                                        }
                        }
}'  file
Line01 Line04
Line02 Line05
Line03 Line06
Line07 Line10
Line08 Line11
Line09 Line12

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SPLIT(1)						      General Commands Manual							  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [ option ... ] [ file ] DESCRIPTION
Split reads file (standard input by default) and writes it in pieces of 1000 lines per output file. The names of the output files are xaa, xab, and so on to xzz. The options are -n n Split into n-line pieces. -l n Synonym for -n n, a nod to Unix's syntax. -e expression File divisions occur at each line that matches a regular expression; see regexp(7). Multiple -e options may appear. If a subex- pression of expression is contained in parentheses (...), the output file name is the portion of the line which matches the subex- pression. -f stem Use stem instead of x in output file names. -s suffix Append suffix to names identified under -e. -x Exclude the matched input line from the output file. -i Ignore case in option -e; force output file names (excluding the suffix) to lower case. SOURCE
/src/cmd/split.c SEE ALSO
sed(1), awk(1), grep(1), regexp(7) SPLIT(1)
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