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Need To Delete Lines Based On Search Criteria

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# 1  
Old 02-17-2013
Need To Delete Lines Based On Search Criteria

Hi All,

I have following input file. I wish to retain those lines which match multiple search criteria. The search criteria is stored in a variable seperated from each other by comma(,).

HTML Code:

Input File:

My ouput file should look like below:

HTML Code:
Thanks & Regards
# 2  
Old 02-17-2013

echo "$SEARCH_CRITERIA" | IFS=, read r d

awk -v R="$r" -v D="$d" '$0 ~ /^R/ || $0 ~ /^D/' file

# 3  
Old 02-17-2013
awk -v sc=REJECT,DUPLICATE 'BEGIN{n=split(sc,a,/,/)}
{p=0;for(i=1;i<=n;i++) if(index($0,a[i])) {p=1;break}}p' infile

# 4  
Old 02-17-2013
Another approach:

echo "$SEARCH_CRITERIA" | awk -F, ' {
        } {
        while((getline line < "filename")>0) {
                if(L[1] in a)
                        print line;

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