Web24 Feb 2010 · 6 Answers Sorted by: 325 The character class \s will match the whitespace characters and . For example: $ sed -e "s/\s\ {3,\}/ /g" inputFile will substitute every sequence of at least 3 whitespaces with two spaces. REMARK: For POSIX compliance, use the character class [ [:space:]] instead of \s, since the latter is a GNU sed extension. Web27 Jan 2015 · So, sed is searching for user followed by zero or more = and replacing the matching string with user=bob. The pattern you want is user=.*, which is user= followed by any character (.) zero or more times, making your sed command: sed -i 's/user=.*/user=bob/' myfile Share Improve this answer Follow answered Jan 27, 2015 at 1:18 garyjohn 34.1k 8 …
Find Matching Text and Replace the Next Line Baeldung on Linux
Web23 Feb 2010 · For example: $ sed -e "s/\s\ {3,\}/ /g" inputFile. will substitute every sequence of at least 3 whitespaces with two spaces. REMARK: For POSIX compliance, use the … Web7 Mar 2024 · The OP obviously found How to remove everything between two characters with SED?; the sed -e 's/\(+\).*\(@\)/\1\2/' command is copied verbatim from there, even though it uses the "two characters" from that question, not from this one. The OP did so little research that they didn't bother to figure out what that command was doing. And, even … eye physicians \u0026 surgeons sc in burlington
sed - how to do several consecutive substitutions but …
Web16 Apr 2024 · The string “gonk” is replaced by “geek,” and the new string is printed in the terminal window. Substitutions are probably the most common use of sed. Before we can dive deeper into substitutions, though, we need to know how to select and match text. Selecting Text We’re going to need a text file for our examples. Web27 Nov 2024 · The syntax for SED substitution is: sed 's/regexp/replacement/g' inputFileName s stands for substitute g stands for global, which means that all matching occurrences in the line would be replaced Let us consider a … Web20 Jan 2012 · You can use any one of the following sed substitute find and replace multiple patterns: sed -e 's/Find/Replace/g' -e 's/Find/Replace/g' <<< " $var " sed -e 's/Find/Replace/g' … does arthritis show on an x ray