sh trim spaces
In Bash, you can use Bash's built in string manipulation. In this case, you can do: > text="some text with spaces" > echo "$text// /}" ..., Using awk: $ echo "$HEAD" | awk '$1=$1' how to remove extra spaces.
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 sh trim spaces 相關參考資料
Bash Shell: Remove (Trim) White Spaces From String Variable ...
output="$(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 to remove extra spaces in bash? - Stack Overflow
Using awk: $ echo "$HEAD" | awk '$1=$1' how to remove extra spaces. https://stackoverflow.com How to remove leading and trailing spaces from a shell variable ...
with any shell, you can use additional variables to save the leading and trailing ... The read command will trim leading and trailing whitespace ... https://unix.stackexchange.com How to remove space from string? - Stack Overflow
Try doing this in a shell: s=" 3918912k" echo $s//[[:blank:]]/} ... (it's a non posix feature). [[:blank:]] is a POSIX regex class (remove spaces, tabs. https://stackoverflow.com How to trim whitespace from a Bash variable? - Stack Overflow
trim() local trimmed="$1" # Strip leading spaces. while [[ $trimmed == ' '* ]]; do .... we don't have to worry about examining the current shell option for extglob, we ... https://stackoverflow.com shell script - How do I trim leading and trailing whitespace from ...
awk '$1=$1};1'. Would trim leading and trailing space or tab characters1 and also squeeze sequences of tabs and spaces into a single space. 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 |