awk处理txt格式的问题 [把^M处理掉就正常，没处理掉转csv也是错误处理】
awk ’ {if (ARGIND==1) grade[$3] = $0} {if (ARGIND>1 && ($2 in grade)) print grade[$2]} ’ c d |head
awk ’ NR==FNR {a[$3]=$0;next} NR!=FNR {if($2 in a)print a[$2]} ’ c d |head
(base) [zhangyong@cluster kang]$ awk ’ NRFNR {a[$2]=$0;next} NR!=FNR {if($2 in a)print a[KaTeX parse error: Expected 'EOF', got '}' at position 3: 2]}̲ ' chang duan |… awk ’ NRFNR {a[$2]=$0;next} NR!=FNR {if($2 in a)print a[KaTeX parse error: Expected 'EOF', got '}' at position 3: 2]}̲ ' ff.csv gg.cs…
下面两家话等价， awk ’ {if (ARGIND1) grade[$2] = $0} {if (ARGIND>1 && ($2 in grade)) print grade[$2]} ’ chang duan |head awk ’ NRFNR {a[$2]=$0;next} NR!=FNR {if($2 in a)print a[$2]} ’ chang duan |head
yyp@DESKTOP-U0COGSO:~/yang/nr$ cat c 1 4 lisi 88 2 4 bokeyuan 97 3 6 zhangsan 77 4 7 wangwu 89 5 1 hongliu 92 6 0 zhanghua 97 yyp@DESKTOP-U0COGSO:~/yang/nr$ cat d 3 zhangsan 5 hongliu yyp@DESKTOP-U0COGSO:~/yang/nr$ yyp@DESKTOP-U0COGSO:~/yang/nr$ awk ’ {if (ARGIND1) grade[$3] = $0} {if (ARGIND>1 && ($2 in grade)) print grade[KaTeX parse error: Expected 'EOF', got '}' at position 3: 2]}̲ ' c d |head 3 … awk ’ NRFNR {a[$3]=$0;next} NR!=FNR {if($2 in a)print a[KaTeX parse error: Expected 'EOF', got '}' at position 3: 2]}̲ ' c d |head 3 …
