求助文件合并

yinyuemi

这个意思吧：
ly5066113 发表于 2011-01-06 22:05

    "FNR==1" 用得太巧妙了！！

ziyunfei

1. awk '{if(FNR!=1){if(FILENAME=="a.txt"){a[NR]=$1;b[NR]=$2;c[NR]=$3;d[NR]=$4}else{a[NR]=$1;e[NR]=$2;f[NR]=$3;d[NR]=$4;g[NR]=$5}}else{x=NR}}END{print "a","b","c","d","e","f","g";for(i=2;i<=NR;i++){if(x!=i){print a[i]?a[i]:0,b[i]?b[i]:0,c[i]?c[i]:0,d[i]?d[i]:0,e[i]?e[i]:0,f[i]?f[i]:0,g[i]?f[i]:0}}}' a.txt b.txt

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