
問題是編寫一個腳本,該腳本接受一個文件作為參數,並打印包含 - 至少 - 所有元音的所有行, - 無論順序如何 - 但帶有 [沒有兩個相同的連續元音]。
例如 aeaiou 是允許的,但不允許 aaeiou 因為 'aa'
下面的腳本幾乎是我所需要的,但它不檢查連續性。
egrep -i '.[a]+' ${1} | egrep -i '[e]+' | egrep -i '[i]+' | egrep -i '[o]+'| egrep -i '[u]+'
注意:我可以使用 grep 和循環結構,但不能使用模糊/高級命令。
解決了;
egrep -vi '[a][a]' ${1} | egrep -vi '[e][e]' | egrep -vi '[i][i]' | egrep -vi '[o][o]' | egrep -vi '[i][i]' | egrep -i '[a]+' | egrep -i '[e]+' | egrep -i '[i]+' | egrep -i '[o]+'| egrep -i '[u]+'
答案1
只要您想排除整行(如果有雙元音),這應該有效:
grep -i a file | \
grep -i e | \
grep -i i | \
grep -i o | \
grep -i u | \
grep -v -i '\([aeiou]\)\1'
答案2
grep
您也可以使用一次調用sed
,而不是多次調用
sed -rn '/(aa|ee|ii|oo|uu)/d; /a/{/e/{/i/{/o/{/u/p}}}}'
或者
sed -rn '/([aeiou])\1/d; /a/{/e/{/i/{/o/{/u/p}}}}'
如果您喜歡使用反向引用。
答案3
使用您的問題(稍作修改,在 之前有一個換行符號but not aaeiou because of the 'aa'
)作為輸入:
$ cat hehe.txt
The problem is to write a script that takes a file as argument
and prints all the lines that contain -at least- all the vowels ,
-regardless of ordering-, but with [no two same consecutive vowels].
e.g aeaiou is allowed,
but not aaeiou because of the 'aa'
The script below is almost what I need, but it does not check for
consecutiveness.
$ awk 'BEGIN { IGNORECASE=1 };
! /aa|ee|ii|oo|uu/ && ( /a/ && /e/ && /i/ && /o/ && /u/ )' hehe.txt
The problem is to write a script that takes a file as argument
-regardless of ordering-, but with [no two same consecutive vowels].
e.g aeaiou is allowed,
此awk
腳本啟用不區分大小寫的模式,刪除包含雙元音的行,然後列印包含每個元音至少一個的行。