回答編集履歴
1
*.txtの1行目の内容が質問文と異なっていたのを修正。(awkでの処理ではその部分は読んでいないので処理に影響はない)
answer
CHANGED
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@@ -7,15 +7,15 @@
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7
7
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```terminal
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8
8
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$ head -n-0 *.txt
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9
9
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==> a.txt <==
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10
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-
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10
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+
数値a,数値b,数値c
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11
11
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1.6546,0.5989,50000
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12
12
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13
13
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==> b.txt <==
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14
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-
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14
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+
数値a,数値b,数値c
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15
15
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2.65682,0.8565,1000
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16
16
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17
17
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==> c.txt <==
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18
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-
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18
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+
数値a,数値b,数値c
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19
19
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0.569589,0.7995,20000
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20
20
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21
21
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$ awk 'BEGIN{OFS=",";print "名前","数値a","数値b","数値c"}{if(FNR==2){print FILENAME,$0}}' *.txt
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