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Shell Programming and Scripting

Compare two files

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# 1  
Old 07-25-2012
Compare two files
Hi all

I have to compare two files and find out common entries and write the data before it

I have to compare these two files:

One file with 3 columns

Quote:
Lepirudin:Refludan:F2
Cetuximab:Erbitux:FCGR2A,FCGR2B,FCGR2C,EGFR,FCGR3B,C1R,C1QA,C1QB,C1QC,FCGR3A,C1S,FCGR1A
Dornase Alfa:Pulmozyme:Not Available
Denileukin diftitox:Ontak:IL2RA,IL2RB,IL2RG
Etanercept:Enbrel:C1S,C1R,C1QA,C1QB,C1QC,TNF,TNFRSF1B,FCGR1A,FCGR3A,FCGR2A,FCGR2B,FCGR2C,LTA,FCGR3B
Bivalirudin:Angiomax:F2
Leuprolide:Eligard:GNRHR
Peginterferon alfa-2a:Pegasys:IFNAR2,IFNAR1
Alteplase:Activase (Genentech Inc):PLG,FGA,PLAUR,SERPINE1
Sermorelin:Geref:GHRHR
Interferon alfa-n1:Wellferon (GlaxoSmithKline):IFNAR2,IFNAR1
Darbepoetin alfa:Aranesp:EPOR
Urokinase:Abbokinase:NID1,PLG,PLAUR,PLAU,PLAT,SERPINE1,SERPINB2,SERPINA5,LRP2,ST14
Goserelin:Zoladex:LHCGR,GNRHR
Reteplase:Retavase (Centocor):PLG,FGA,PLAUR,SERPINE1
Epoetin alfa:Epogen:EPOR
Salmon Calcitonin:Calcimar:CALCR
Interferon alfa-n3:Alferon (Interferon Sciences Inc.):IFNAR1,IFNAR2
Pegfilgrastim:Neulasta (Amgen Inc.):CSF3R,ELANE
Sargramostim:Immunex:CSF2RA,IL3RA,CSF2RB,SDC2,PRG2
Secretin:SecreFlo:SCTR
Peginterferon alfa-2b:PEG-Intron (Schering Corp):IFNAR1,IFNAR2
Asparaginase:Elspar (Merck & Co. Inc):Not Available
Thyrotropin Alfa:Thyrogen (Genzyme Inc):TSHR
Antihemophilic Factor:Advate:LRP1,MCFD2,F10,F9,VWF,PHYH,ASGR2,HSPA5,CALR,CANX,LMAN1
Anakinra:Kineret (Amgen Inc):IL1R1
Gramicidin D:Neosporin:
Intravenous Immunoglobulin:Civacir:C4B,C5,FCGR1A,FCGR1B,FCGR2A,FCGR2B,FCGR2C,FCGR3A,FCGR3B,C3,C4A
Anistreplase:Eminase (Wulfing Pharma GmbH):PLG,FGA,PLAUR,SERPINE1
Insulin recombinant:Novolin R (Novo Nordisk):LRP2,IGFBP7,SYTL4,INSR,IGF1R,RB1,CTSD,IDE,PCSK2,CPE,PCSK1,NOV
Tenecteplase:TNKase (Genentech Inc):CANX,LRP1,PLG,FGA,PLAUR,SERPINE1,SERPINB2,CLEC3B,KRT8,ANXA2,CALR
Menotropins:Repronex:FSHR,LHCGR
second file with two columns

Quote:
ARFGEF2 CAD
DDEF2 CAD
PSCD3 CAD
PSCD4 CAD
CAMK1 CAD,HT,HT,HT,HT,HT,HT,HT,HT,HT,HT,HT,HT
HSP90AA1 CAD,CAD,CAD,T2D,T2D
KDR CAD,CD,CD
VEGF CAD,CAD,CAD,CAD,T2D,T2D,T2D
CTNNA3 CAD,HT,T2D
PTPRM CAD,T2D
RAC2 CAD,CAD,T1D,T1D
SMAD3 CAD,T2D,T2D,T2D,T2D,T2D,T2D,T2D
SORBS1 CAD,CAD,CAD
CD36 CAD
IRS1 CAD,CAD,CAD
IRS2 CAD,CAD,CAD,CAD
MTFMT CAD,CAD,CAD,T1D,T1D,T1D
SARS CAD
GNPDA2 CAD
NANS CAD
SRD5A1 CAD


I have to compare column 1 of second file and colmn 3 of first file and
then if there is something similar then write colmn2 of second file in front of it and column 1 and colmn2 of first file in front of it

so tht result shuld be

if any entry in colmn3 of first file=column1 of second file
then, colun2 of second file and column 1 and column2 of first file should be written in front of it

for example:

Quote:
SARS CD,HT Refuldan Lepritdun
# 2  
Old 07-28-2012
what you required is not clear pls specify how you want below data
Code:
SARS CD,HT Refuldan Lepritdun

and more example for output
# 3  
Old 07-28-2012
Your samples seem mismatched, but I think this is what you were intending.

Code:
awk '
    NR == FNR {
        hash[$1] = $2;
        next;
    }

    {
        split( $0, a, ":" );
        n = split( a[3], b, "," );
        for( i = 1; i <= n; i++ )
        {
            if( b[i] in hash )
            {
                printf( "%s %s %s %s\n", b[i], hash[b[i]], a[2], a[1] );
                next;
            }
        }
    }
'  file2  file1

Note that the second file is placed before the first as the programme needs to read the second file before reading the first.
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