方法四

# sed '=' /tmp/file | sed '{N;s/n/. /}'
1. Apple
2. Apricot
3. Avocado
4. Banana
5. Bilberry
6. Blackberry
7. Blackcurrant

方法三

使用'awk'

# awk '{printf "%d. %sn", NR, 
# awk '{print NR".",
#  perl -pe 'printf "%u. ", $.' /tmp/file
1. Apple
2. Apricot
3. Avocado
4. Banana
5. Bilberry
6. Blackberry
7. Blackcurrant
}' /tmp/file
1. Apple
2. Apricot
3. Avocado
4. Banana
5. Bilberry
6. Blackberry
7. Blackcurrant
}' /tmp/file
1. Apple
2. Apricot
3. Avocado
4. Banana
5. Bilberry
6. Blackberry
7. Blackcurrant

# nl /tmp/file
     1  Apple
     2  Apricot
     3  Avocado
     4  Banana
     5  Bilberry
     6  Blackberry
     7  Blackcurrant

方法二

使用'perl'

# nl -s ". " /tmp/file
     1. Apple
     2. Apricot
     3. Avocado
     4. Banana
     5. Bilberry
     6. Blackberry
     7. Blackcurrant

方法一

使用'nl'

# nl -s ". " /tmp/file  > /tmp/newfile

在数字后添加一个符号

Apple 
Apricot 
Avocado 
Banana 
Bilberry 
Blackberry 
Blackcurrant

将输出保存到文件

示例文件“/tmp/file”