やりたいこと
方法
01 | % ll report.sh |
02 | -rw-r--r-- 1 usr usr 1000 Jun 23 23:43 report.sh |
03 |
04 | % cp report.sh{,_` date +%Y%m%d`} |
05 |
06 | % ll report.sh* |
07 | -rw-r--r-- 1 usr usr 1000 Jun 23 23:43 report.sh |
08 | -rw-r--r-- 1 usr usr 1000 Jun 23 23:45 report.sh_20210623 |
09 |
10 | % vim report.sh |
11 |
12 | % diff report.sh{,_` date +%Y%m%d`} |
13 | 1d0 |
14 | < df -h |
1 | % cp report.sh{,.bak} |
2 | % diff report.sh{,.bak} |