You should put a newline directly after the \: sed ‘3i\ text to insert’ file This is actually the behaviour defined by the POSIX specification. The fact that GNU sed allows you to specify the text to be inserted on the same line is an extension. If for some reason you need to use double … Read more
Use tr: tr -d ‘^M’ < inputfile (Note that the ^M character can be input using Ctrl+VCtrl+M) EDIT: As suggested by Glenn Jackman, if you’re using bash, you could also say: tr -d $’\r’ < inputfile
You can use the command line tool dos2unix dos2unix input Or use the tr command: tr -d ‘\r’ <input >output Actually, you can do the file-format switching in vim: Method A: :e ++ff=dos :w ++ff=unix :e! Method B: :e ++ff=dos :set ff=unix :w EDIT If you want to delete the \r\n sequences in the file, … Read more
The following sed example should solve your problem. sed allows multiple -e switches, which allows you to replace more than one thing at a time. sed -e ‘s/dog/monkey/g’ -e ‘s/orange/cow/g’
Using sed: $ var=server@10.200.200.20:/home/some/directory/file $ echo $var | sed ‘s/.*://’ /home/some/directory/file
$ cat text abc <!– BOF CLEAN –> … a bunch of stuff <!– EOF CLEAN –> def $ sed ‘/<!– BOF CLEAN –>/,/<!– EOF CLEAN –>/d’ text abc def I cannot explain it any better than Sed One-Liners Explained, Part III: Selective Deletion of Certain Lines and Special Applications.
In VIM: :g!/^[+-]/d Here is the English translation: globally do something to all lines that do NOT! match the regular expression: start of line^ followed by either + or -, and that something to do is to delete those lines.
Split it up into several sed statements, separated by ;: sed ‘s/æ/ae/g;s/ø/oe/g;s/å/aa/g;s/Æ/Ae/g;s/Ø/Oe/g;s/Å/Aa/g’
Give this a try: sed ‘/^$/N;/^\n$/D’ inputfile Explanation: /^$/N – match an empty line and append it to pattern space. ; – command delimiter, allows multiple commands on one line, can be used instead of separating commands into multiple -e clauses for versions of sed that support it. /^\n$/D – if the pattern space contains … Read more
Want PCRE (Perl Compatible Regular Expressions)? Why don’t you use perl instead? perl -pe ‘s/[a-zA-Z0-9]+[@][a-zA-Z0-9]+[\.][A-Za-z]{2,4}/[emailaddr]/g’ \ <<< “My email is abc@example.com” Output: My email is [emailaddr] Write output to a file with tee: perl -pe ‘s/[a-zA-Z0-9]+[@][a-zA-Z0-9]+[\.][A-Za-z]{2,4}/[emailaddr]/g’ \ <<< “My email is abc@example.com” | tee /path/to/file.txt > /dev/null