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03-10-2008
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how to search with 2 strings.
Hi,
i have a file a.txt like -------------------------------- col1|col2|col3 data1|data2|data3 other1|other2|other3 -------------------------------- i need to search 2 strings(data in a.txt file is case sesnsitive), suppose data1 and data2. If these 2 strings found then only i need to update data3 string with data4 string. If not found then i have to echo some message(No data found). Pls provide me some solution for this. Thanks in advance. |
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03-10-2008
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Quote:
Code:
grep -E "data1|data2" a.txt if [[ $? -eq 0 ]] ; then sed -e "s/\(data1|data2|\).*/\1data4/g" a.txt else echo "No data1|data2 in a.txt" fi |
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03-10-2008
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Code:
nawk '{
if (index($0,"data1")!=0 && index($0,"data2")!=0)
{
sub(/data3/,"data4",$0)
print
}
else
print
}' filename
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