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How to remove numbers from string in Bash?
I was not able to get it working with because of the white space: [:digit:] can contain other characters than 0 to 9 depend on your locale. If you want only to remove 0 to 9, use C locale instead. and finally Bash expansion again, this time using the [ [:digit:]] character class.
How to remove decimal from a variable in shell?
(You did not mention what shell you’re using; this answer assumes Bash). You can remove the decimal values using $ {VAR%.*}. For example: Note that this truncates the value rather than rounds it.
How to remove digits from a string in SED?
sed: Remove All Except Digits (Numbers) From Input Bash Shell: Extract Digits From a String Linux / Unix: Shell Remove Empty Lines sed Delete / Remove ^M Carriage Return (Line Feed / CRLF) on Linux or Unix Bash Script Replace Empty Spaces String sed Tip: Delete All Blank White Spaces
How to remove 6 numbers from a string?
VARIABLE=qwe123rty567 IFS=0123456789 set -f # Disable glob set — $VARIABLE IFS=; VARIABLE=$* printf “replaced $# numbers in \\$VARIABLE. RESULT: %s ” “$*” replaced 6 numbers in $VARIABLE. RESULT: qwerty
How to delete all lines in Bash using SED?
To delete any line that is not composed entirely of alphabetic characters, you’d need to add start ( ^) and end ( $) anchors Instead, you could delete any line that contains at least one non-alphabetic character Note that the caret ^ is acting as a negation operator here rather than as an anchor as in the previous expression.
How to remove all lines containing special characters?
I need a sed command that will exclude these lines containing special character, numbers, or spaces. I’ve found that it is fairly straightforwards removing lines with spaces by using and I imagine that removing lines containing numbers will be a similar strategy using regex.
How to delete all special characters in SED?
I just haven’t really found any way of approaching special characters in sed. To delete any line that is not composed entirely of alphabetic characters, you’d need to add start ( ^) and end ( $) anchors Instead, you could delete any line that contains at least one non-alphabetic character