shell script trim blanks

相關問題 & 資訊整理

shell script trim blanks

[[:blank:]] is a POSIX regex class (remove spaces, tabs. ... The tools sed or tr will do this for you by swapping the whitespace for nothing. sed 's/ ..., Bash shell 想要寫類似trim() 做前後移除某個符號等動作,要怎麼做呢? Bash shell 使用sed 做trim 的動作使用sed 就可以達成,不過很常會使用到, ..., output="$(awk -F',' '/Name/ print $9}' input.file)". How do trim leading and trailing whitespace from bash variable called $output? How do I trim ..., In Bash, you can use Bash's built in string manipulation. In this case, you can do: > text="some text with spaces" > echo "$text// /}" ..., Would trim leading and trailing space or tab characters1 and also squeeze ... characters depending on the locale and the awk implementation)., If you want to trim all spaces, only in lines that have a comma, and use awk , then the following will work for you: awk -F, '/,/gsub(/ /, "", $0); print} ..., Would trim leading and trailing space or tab characters1 and also squeeze ... characters depending on the locale and the awk implementation)., I can think of two options: variable=" gfgergj lkjgrg " echo $variable | sed 's,^ *,,; s, *$,,'. or else nospaces=$variable## } # remove leading ...,How to remove all whitespace (denoted by [:space:] in tr ): FOO=' test test test ... How to remove both leading and trailing spaces--chain the sed s: FOO=' test test ...

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shell script trim blanks 相關參考資料
bash - How to remove space from string? - Stack Overflow

[[:blank:]] is a POSIX regex class (remove spaces, tabs. ... The tools sed or tr will do this for you by swapping the whitespace for nothing. sed 's/ ...

https://stackoverflow.com

Bash shell 使用sed 做trim 的動作| Tsung's Blog

Bash shell 想要寫類似trim() 做前後移除某個符號等動作,要怎麼做呢? Bash shell 使用sed 做trim 的動作使用sed 就可以達成,不過很常會使用到, ...

https://blog.longwin.com.tw

Bash Shell: Remove (Trim) White Spaces From String Variable ...

output="$(awk -F',' '/Name/ print $9}' input.file)". How do trim leading and trailing whitespace from bash variable called $output? How do I trim ...

https://www.cyberciti.biz

command line - How do I remove spaces from shell variables? - Unix ...

In Bash, you can use Bash's built in string manipulation. In this case, you can do: > text="some text with spaces" > echo "$text// /}" ...

https://unix.stackexchange.com

how do I trim leading and trailing whitespace from each line of some ...

Would trim leading and trailing space or tab characters1 and also squeeze ... characters depending on the locale and the awk implementation).

https://unix.stackexchange.com

shell - Trim leading and trailing spaces from a string in awk ...

If you want to trim all spaces, only in lines that have a comma, and use awk , then the following will work for you: awk -F, '/,/gsub(/ /, "", $0); print} ...

https://stackoverflow.com

shell script - how do I trim leading and trailing whitespace from ...

Would trim leading and trailing space or tab characters1 and also squeeze ... characters depending on the locale and the awk implementation).

https://unix.stackexchange.com

Shell Script: How to trim spaces from a bash variable - Stack Overflow

I can think of two options: variable=" gfgergj lkjgrg " echo $variable | sed 's,^ *,,; s, *$,,'. or else nospaces=$variable## } # remove leading ...

https://stackoverflow.com

string - How to trim whitespace from a Bash variable? - Stack Overflow

How to remove all whitespace (denoted by [:space:] in tr ): FOO=' test test test ... How to remove both leading and trailing spaces--chain the sed s: FOO=' test test ...

https://stackoverflow.com