Problem with substitution in sed??

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02-15-2013

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Problem with substitution in sed??

Hi alll

I have a file with this content

Code:


Code:

ale,AAM,id2_1_2_1_1,23,2013-01-30,1,1
ale,BAND,id2_1_1_1_1,31,2013-01-28,1,1
ale,CAI,id2_1_1_1_1,23,2013-01-28,1,1
ale,CAI,id2_1_1_1_4,23,2013-01-28,1,1
ale,CAI,id2_1_2_1_1,23,2013-01-30,2,1
ale,NAST,id2_1_1_1_1,23,2013-01-29,1,1
ale,NAST,id2_1_1_1_1,31,2013-01-29,1,1
ale,NST,id2_1_2_1_1,31,2013-01-28,1,1
ale,PAB,id2_1_1_1_1,31,2013-01-30,2,2
ale,PAB,id2_1_2_2_3,23,2013-01-28,1,1

when I'm using this command

Code:


Code:

sed "/id2_1_*/id2_1_\*/g"

It is not replacing all the occurences of id2_1_1 to id2_1_*

required o/p is

Code:


Code:

ale,AAM,id2_1_*,23,2013-01-30,1,1
ale,BIAND,id2_1_*,31,2013-01-28,1,1
ale,CAI,id2_1_*,23,2013-01-28,1,1
ale,CNAI,id2_1_*,23,2013-01-28,1,1
ale,CAI,id2_1_*,23,2013-01-30,2,1
ale,NAST,id2_1_*,23,2013-01-29,1,1
ale,NAST,id2_1_*,31,2013-01-29,1,1
ale,NAST,id2_1_*,31,2013-01-28,1,1
ale,PAB,id2_1_*,31,2013-01-30,2,2
ale,PAB,id2_1_*,23,2013-01-28,1,1

s

nikhil jain

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02-15-2013

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Try:

Code:

sed 's/id2_1_[^,]*/id2_1_*/' file

Add the g flag if multiple strings may be matched by the pattern on a line.

elixir_sinari

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