1 дек. 2012 г. · A funny way to remove all spaces from a variable is to use printf: $ myvar='a cool variable with lots of spaces in it' $ printf -v myvar '%s ...

15 дек. 2008 г. · A simple answer is: echo " lol " | xargs. Xargs will do the trimming for you. It's one command/program, no parameters, returns the trimmed ...

28 мая 2016 г. · You can't just call a variable (think of it as just a string value container). You need to echo it: echo $fname | sed "s/ //g".

9 мая 2018 г. · Continuing with that same thought, if your string with spaces is already stored in a variable, you can simply use echo unquoted within command ...

26 окт. 2012 г. · Try this: echo "$HEAD" | tr -s " ". or maybe you want to save it in a variable: NEWHEAD=$(echo "$HEAD" | tr -s " "). Update. To remove ...

6 июн. 2013 г. · I have an xml file which I'm trying to minimise using a bash script. After removing any indentation, some part of the file looks like this: < ...

16 дек. 2015 г. · You can use this sed command to remove leading whitespace (spaces or tabs) sed 's/^[ \t]*//' file. Use sed -i to modify the file in-place.

27 нояб. 2008 г. · [:space:] is a character class. It's only valid if it is nested inside another set of [ ]. Share.

12 окт. 2013 г. · This deletes all space characters in the input: echo some text with spaces | tr -d ' '. Another way using sed : echo some text with spaces ...

1 февр. 2019 г. · The problem with your approach is the parameter expansion code removes all spaces from a given input line. For e.g. see