比如我刚用了
[noob@localhost ~]$ cat >mysystem.sh<<eof
> #!/bin/bash
> #文件名:mysystem.sh
> printf "%-5s %-10s %-4s\n" No Name Mark
> printf "%-5s %-10s %-4.2f\n" 1 Sarath 80.34
> printf "%-5s %-10s %-4.2f\n" 2 James 90.998
> printf "%-5s %-10s %-4.2f\n" 3 Jeff 77.564
> eof
之后又想修改这个文件,但又不想再敲一遍该怎么做
按上方向键调出的是
[noob@localhost ~]$ cat >mysystem.sh<<eofprintf "%-5s %-10s %-4s\n" No Name Mark
printf "%-5s %-10s %-4.2f\n" 1 Sarath 80.34
printf "%-5s %-10s %-4.2f\n" 2 James 90.998
printf "%-5s %-10s %-4.2f\n" 3 Jeff 77.564
eof
[noob@localhost ~]$ cat >mysystem.sh<<eof
> #!/bin/bash
> #文件名:mysystem.sh
> printf "%-5s %-10s %-4s\n" No Name Mark
> printf "%-5s %-10s %-4.2f\n" 1 Sarath 80.34
> printf "%-5s %-10s %-4.2f\n" 2 James 90.998
> printf "%-5s %-10s %-4.2f\n" 3 Jeff 77.564
> eof
之后又想修改这个文件,但又不想再敲一遍该怎么做
按上方向键调出的是
[noob@localhost ~]$ cat >mysystem.sh<<eofprintf "%-5s %-10s %-4s\n" No Name Mark
printf "%-5s %-10s %-4.2f\n" 1 Sarath 80.34
printf "%-5s %-10s %-4.2f\n" 2 James 90.998
printf "%-5s %-10s %-4.2f\n" 3 Jeff 77.564
eof
解决方案 »
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