我有多個 csv 格式的檔案(六個檔案)。我試圖在多個檔案中比較 $3、$4、$5,如果匹配,則從所有檔案中列印 $6 以及檔案 1 中的 $2、$3、$4、$5 列。
輸入檔案 1:
Blink,Seeddensity(g/cm^3),1_0002,VU10,37586764,0.458533399568206
Blink,Seeddensity(g/cm^3),1_0004,VU08,37687622,0.548181169267479
Blink,Seeddensity(g/cm^3),1_0006,VU02,6629660,0.553099787284982
輸入檔案2:
Farmcpu,Seeddensity(g/cm^3),1_0002,VU10,37586764,0.907010463957269
Farmcpu,Seeddensity(g/cm^3),1_0004,VU08,37687622,0.782521980037194
Farmcpu,Seeddensity(g/cm^3),1_0006,VU02,6629660,0.589126094555234
輸入檔案 3:
GLM,Seeddensity(g/cm^3),1_0002,VU10,37586764,0.24089
GLM,Seeddensity(g/cm^3),1_0004,VU08,37687622,0.25771
GLM,Seeddensity(g/cm^3),1_0006,VU02,6629660,0.31282
期望的輸出:
Trait Marker Chr Pos Blink Farmcpu GLM
Seeddensity(g/cm^3) 2_27144 VU08 36984438 1.7853934213866E-11 0.907010463957269 0.24089
Seeddensity(g/cm^3) 2_13819 VU08 21705264 3.98653459293212E-09 0.782521980037194 0.25771
Seeddensity(g/cm^3) 2_07286 VU01 38953729 3.16663946775461E-07 0.589126094555234 0.31282
我已經檢查了多個 awk 命令,但這是在兩個檔案中最接近的一個:
awk 'NR==FNR{ a[$2,$3,$4,$5]=$1; next } { s=SUBSEP; k=$2 s $3 s $4 s $5 }k in a{ print $0,a[k] }' File1 File2 > output
join <(sort File1) <(sort File2) | join - <(sort File3) | join - <(sort File4) | join - <(sort File5) | join - <(sort File6) > output
我相信 join 不起作用,因為第一列在檔案中不一樣,所以我嘗試了這個命令:
join -t, -j3 -o 1.2,1.3,1.4,1.5,1.6,2.6,3.6,4.6,5.6,6.6 <(sort -k 3 File1) <(sort -k 3 File2) <(sort -k 3 File3) <(sort -k 3 File4) <(sort -k 3 File5) <(sort -k 3 File6) > output
但我收到一個錯誤訊息:加入:欄位規范中的無效檔案號:'3.6'
對于兩個檔案,以下命令有效,但我不確定如何將它用于多個檔案:
join -t, -j3 -o 1.2,1.3,1.4,1.5,1.6,2.6 <(sort -k 3 File1) <(sort -k 3 File2) > output
uj5u.com熱心網友回復:
假設您確實需要 CSV 輸出,然后將 GNU awk 用于 ARGIND:
$ cat tst.awk
BEGIN { FS=OFS="," }
{ key = $3 FS $4 FS $5 }
ARGIND < (ARGC-1) {
val[key,ARGIND] = $6
next
}
{
sfx = ""
for (i=1; i<ARGIND; i ) {
if ( (key,i) in val ) {
sfx = sfx OFS val[key,i]
}
else {
next
}
}
print $2, $3, $4, $5, $6 sfx
}
$ awk -f tst.awk file2 file3 file1
Seeddensity(g/cm^3),1_0002,VU10,37586764,0.458533399568206,0.907010463957269,0.24089
Seeddensity(g/cm^3),1_0004,VU08,37687622,0.548181169267479,0.782521980037194,0.25771
Seeddensity(g/cm^3),1_0006,VU02,6629660,0.553099787284982,0.589126094555234,0.31282
對于任何其他 awk,只需FNR==1 { ARGIND }在腳本開頭添加一行即可。
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