awk删除最后一行的最后一个字符

skypeleo

如

1,2,3,
4,5,6,
...
8,9,10,

变为

1,2,3,
4,5,6,
...
8,9,10

jason680

回复 1# skypeleo

$ awk '{if(NR>1)print P;P=$0}END{sub(/.$/,"",P);print P}' FILE
1,2,3,
4,5,6,
...
8,9,10

   

haooooaaa

回复 1# skypeleo

1. awk '{a[NR]=$0}NR>1{print a[NR-1]}END{print substr(a[NR],0,length(a[NR])-1)}' file

复制代码

hjfeng1988

1. sed '$s/.$//' file

复制代码

ly5066113

回复 1# skypeleo


head -c-2 file