Regular expressions in sed Post: 15200

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Regular expressions in sed

I'm using sed to alter a parameter file used in another process. Basically, the file is a template containing a few variables which need to be replaced at runtime. The problem is that using sed with filenames that contain the / character causes matches to fail. eg:...

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regular expressions variables in sed

I am trying to pass a regular expression variable from a simple script to sed to remove entries from a text file e.g. a='aaaa bbbb cccc ...|...:' then executing sed from the script sed s'/"'$a"'//g <$FILE > $FILE"_"1 my output file is always the same as the input file !! any...

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Hi Im trying to use sed to change some files which I'll describe here: I want to use a regular expression to grab the <body> tag from a document. However, the <body> tag can look different so the regular expression used will take care of that and "include" all types of bodies, in example:...

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SED: Print range, exclude regular expressions.

Ok, so I get that: sed -n '/START/,/END/p' file ...will print every line from START to END inclusive, but I don't want to see START or END. Apart from the obious: sed -n '/START/,/END/p' file | grep -v "START" | grep -v "END" ...is there a simpler way of doing this? Thanks as always!

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Hi, I need to replace <field name="ID">1</field> with <field name="STATION_ID">01</field> how can i do it?

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Hi, There's a bug using JavaDoc that generates an error if a tag <a...> is found in a javadoc comment, which is not a HTML reference. For example this error is produced with generics. I want to insert an space between "<" and "a". Expression is able to find where this happens using find and grep: ...

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I have a file that I'm trying to find all the cases of phone number extensions and deleting them. So input file looks like: abc x93825 def 13234 x52673 hello output looks like: abc def 13234 hello Basically delete lines that have 5 numbers following "x". I tried: x\(4) but it...

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I have a file, each line has the date and time twice, once at the start of the line, and again half way along. to neaten things up, and to make it easier to read i'm removing one set. Wasn't as easy as identify the text and remove, as it'd remove both. So i added some text at the beginning of...

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awk or sed or python for regular expressions ?

Linux 6.X environments (RHEL, Oracle Linux ) I could write basic shell scripts in bash. In my spare time, I was planning to learn awk or sed to deal with regular expression tasks I have to deal with. But, I gather that python is gaining popularity these days and I came to know that python has a...

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