Sed Replace all white spaces with commas in a text file Unix
This will replace any horizontal whitespace with a comma Any repeated whitespace will only be replaced with a single comma The blank is a bracketed expression matching one of the characters a b k l or n If you want to match one of the characters in the POSIX character class blank use blank
How to use sed to replace only the first occurrence in a file , GNU sed only Ben Hoffstein s anwswer shows us that GNU provides an extension to the POSIX specification for sed that allows the following 2 address form 0 re re represents an arbitrary regular expression here 0 re allows the regex to match on the very first line also In other words such an address will create a range from the 1st line up to and including the line that matches re
Replace whitespace with a comma in a text file in Linux
Try something like sed s space g orig txt modified txt The character class space will match all whitespace spaces tabs etc If you just want to replace a single character eg just space use that only EDIT Actually space includes carriage return so this may not do what you want The following will replace tabs and
How to use sed to replace the first space with an empty string, You can build a regex for that or you could use the fact that it s very easy to keep the first n occurrences echo one two three four rev sed s 2g rev onetwothree four or with a file rev myfile sed s 2g rev Or you could remove one space until there is only one space left
Replacing all commas with spaces S R with a Unix Command
Replacing all commas with spaces S R with a Unix Command , You can use awk sed vi ex or even Perl PHP etc depends what you are proficient with sed example sed i s g filename here Share Improve this answer Follow How do I replace first space with comma in UNIX 1 Bash replace a comma with space colon space sequence 0
Solved This Sed Script File Will Be Submitted To Canvas Chegg
Replace spaces with comma but not in the whole line
Replace spaces with comma but not in the whole line I m trying to replace the spaces that occur after the random using sed It s important to keep the spaces that is in some name for example This replaces all spaces with comma How could I match a expression like and use sed with the rest of the line and replace spaces with comma sed e s g Thanks
Solved Using Sed To Replace Numbers 9to5Answer
If you want to replace all n ewlines with commas and your file is not very large then you can do sed H 1h d x y n That appends every input line to h old space except the first which instead overwrites h old space following a n ewline character It then d eletes every line not the last from output Can sed replace new line characters Unix Linux Stack Exchange. Sed s g is for globally that is to substitute all occurrences of with If you want to do only one substitution per line take off the g sed s And for completeness You can also specify which occurrence to substitute For instance to substitute only the second occurrence sed s 2 With GNU sed you can also substitute Here I wanted to replace comma with between Select and From keywords select emp name emp id loc from emp join emp loc where emp join id Using sed how to replace comma before a specific string Ask ion Asked 6 years 8 months ago Need to replace only two or more space with comma using shell script 0
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