[英]join two file based on column when there is no one by one corespondness in bash script (awk, grep , sed)
file1.txt
112|9305|/inst.exe
112|9305|/lkj.exe
112|9305|/dje.jar
112|9305|/ind.pdf
112|9306|/ma.exe
112|9306|/ngg.pdf
112|9307|/jhhh.dat
112|9312|/ee.dat
112|9312|/qwq.dll
file2.txt
117|9305|www.gahan.com
117|9306|www.google.com
117|9312|www.mihan.com
117|9307|translate.com
預期產量
112|9305|www.gahan.com/inst.exe
112|9305|www.gahan.com/lkj.exe
112|9305|www.gahan.com/dje.jar
112|9305|www.gahan.com/ind.pdf
112|9306|www.google.com/ma.exe
112|9306|www.google.com/ngg.pdf
112|9307|translate.com/jhhh.dat
112|9312|www.mihan.com/ee.dat
112|9312|www.mihan.com/qwq.dll
我想基於第二列的值將file2.txt
的第三列添加到file1.txt
的第三列。 實際上,我想根據第二列加入它們,但是它們之間沒有一個再見的對應關系 。 如何使用awk或grep或shell腳本中的sed執行這些操作。
您可以這樣使用awk:
awk 'BEGIN{FS=OFS="|"} FNR==NR{a[$2]=$3; next} $2 in a{$3=a[$2] $3} 1' file2.txt file1.txt
112|9305|www.gahan.com/inst.exe
112|9305|www.gahan.com/lkj.exe
112|9305|www.gahan.com/dje.jar
112|9305|www.gahan.com/ind.pdf
112|9306|www.google.com/ma.exe
112|9306|www.google.com/ngg.pdf
112|9307|translate.com/jhhh.dat
112|9312|www.mihan.com/ee.dat
112|9312|www.mihan.com/qwq.dll
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