想用 shell 在文本文件中插入一个空格，怎么弄

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This topic created in 2554 days ago, the information mentioned may be changed or developed.

想保持 test.txt 文件中，每个 key 后边的冒号有且只有一个空格，应该怎么处理

# text.txt
a: 1 # 标准格式
b:2
c:   3
d:

shell

空格

txt

冒号

6 replies • 2019-05-06 19:34:32 +08:00

heixiaobai

May 6, 2019

sed "s/:[ ]*/: /" test.txt > test_sed.txt

css3

May 6, 2019

@HeiXiaoBai
文件里边有这样一行，k1 和 k2 后边的冒号中的空格，您这个好像不生效
abc: [{"k1": "v1", "k2": "v2"}]

heixiaobai

May 6, 2019

sed "s/:[ ]*/: /g" test.txt

kaliu

May 6, 2019

@css3
sed "s/:[ ]*/: /g" test.txt > test_sed.txt

ifaii

May 6, 2019

perl -pe 's/^(\S+?\:)( *)(.*)$/\1 \3/' test.txt > new_text.txt

测试文本

abc:[{"k1": "v1", "k2":"v2"}]
xxxa:sd:asdasdas
abc:[{"k1": "v1", "k2":"v2"}]
abc: [{"k1": "v1", "k2": "v2"}]
# asdasdasd asdd: ss

css3

May 6, 2019

@css3 @HeiXiaoBai @kaliu @ifaii 多谢各位，已完美解决