Question

我有文件名，所以我只想选择一个没有（ - ）

6.6.482.R2
6.6.482.R2-KAob.ios
6.6.482.R2-Kaw.ios
6.6.482.R2-Ksware.ios
6.6.482.R2-KCyb.ios
6.6.482.R2-software.blm
6.7.142.R1
6.7.142.R1-KAob.ios
6.7.142.R1-Kaw.ios
6.7.142.R1-Ksware.ios
6.7.142.R1-KCyb.ios
6.7.142.R1-software.blm

我只想提取这两行

6.6.482.R2
6.7.142.R1

此致

Answer 1

如果我正确理解了问题，您只需要前缀。我假设您的图片以

结尾

"-something"
lsort -unique [regexp -all -inline -- {alm-[^ -]*} $data]

Answer 2

% set x {
alm-6.6.482.R2
alm-6.6.482.R2-KAob.ios
alm-6.6.482.R2-Kaw.ios
alm-6.6.482.R2-Ksware.ios
alm-6.6.482.R2-KCyb.ios
alm-6.6.482.R2-software.blm
alm-6.7.142.R1
alm-6.7.142.R1-KAob.ios
alm-6.7.142.R1-Kaw.ios
alm-6.7.142.R1-Ksware.ios
alm-6.7.142.R1-KCyb.ios
alm-6.7.142.R1-software.blm
}
alm-6.6.482.R2
alm-6.6.482.R2-KAob.ios
alm-6.6.482.R2-Kaw.ios
alm-6.6.482.R2-Ksware.ios
alm-6.6.482.R2-KCyb.ios
alm-6.6.482.R2-software.blm
alm-6.7.142.R1
alm-6.7.142.R1-KAob.ios
alm-6.7.142.R1-Kaw.ios
alm-6.7.142.R1-Ksware.ios
alm-6.7.142.R1-KCyb.ios
alm-6.7.142.R1-software.blm
% lsort -unique [regsub -all -line {alm-([^ -]+).*} $x {\1}]
6.6.482.R2 6.7.142.R1
%

正则表达式列表

2 个答案: