12/11/2022 0 Comments Using araxis merge to output text diffNow, we can check to see that our script has changed by running the cat command again: cat my-ed-script.txt 5c It redirects output to a file, but instead of overwriting the destination file, it appends to the end of the file.) The command looks like this: echo "w" > my-ed-script.txt (The > operator is similar to the > operator. We can add this to our script by echoing the letter " w" and using the > operator to add it to our file. All that's missing from the script is the w command, which writes the changes. There's still one thing missing, though: we need the script to tell ed to actually write the file. we see the same script we saw displayed above. If we now check the contents of my-ed-script.txt with the cat command. If my-ed-script.txt doesn't exist, it is created if it exists already, it is overwritten. This command does not display anything on the screen (unless there is an error) instead, the output is redirected to the file my-ed-script.txt. operator, like this: diff -e file1.txt file2.txt > my-ed-script.txt Now let's see what it looks like when diff tells us we need to delete a line. Here, the output is telling us "After line 2 in the first file, a line needs to be added: line 3 from the second file." It then shows us what that line is. > Oh yeah, I also need to buy grated cheese. Oh yeah, I also need to buy grated cheese. The three dashes (" -") merely separate the lines of file 1 and file 2.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |