What is sed and what is it used for? - Ask Ubuntu What is sed? sed = Stream EDitor The description in the manual page for GNU sed 4 2 2 reports: Sed is a stream editor A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline) While in some ways similar to an editor which permits scripted edits (such as ed), sed works by making only one pass over the input (s), and is consequently more
linux - sed with special characters - Stack Overflow How can I make sed ignore special charactars, I tried adding back slash before special characters, but maybe I got it wrong, can some one show me an example? Here is what i want :
unix - sed edit file in-place - Stack Overflow How do I edit a file in a single sed command? Currently, I have to manually stream the edited content into a new file and then rename the new file to the original file name I tried sed -i, but my
What is the purpose of -e in sed command? - Unix Linux Stack Exchange In your example sed 's foo bar ' and sed -e 's foo bar ' are equivalent In both cases s foo bar is the script that is executed by sed The second option is more explicit, but that is probably not the reason that you often see -e used The reason for that is that -e makes it possible to use more than one script with the same invocation of sed
Differences between sed on Mac OSX and other standard sed? I am having some issues in using an answer provided on this site for this question about a sed command to replace a blank line with two other lines of content, and it was brought up if the sed comm
Using sed to extract specific columns - Ask Ubuntu I was just wondering how would I extracted a specific column using sed?(My system has sed installed, so no awk unfortunately :( ) I got a text file like the following: Business Name,Description,Ad
unix - What does sed -i option do? - Stack Overflow I'm debugging a shell script and trying to find out the task performed by the following command: sed -i '1,+999d' home org_user data txt I need to change this command as its failing with the foll