How do I delete a word in Unix?

How do I delete a specific word in Unix?

How do I match and remove (delete) the words “ssh_args=-p 1222” from config file using sed command under Linux or Unix like operating systems? You can use the the substitute sed command changes all occurrences of the “ssh_args=-p 1222”. The same command can be used to delete the required words.

How do I delete a word in Linux?

How to delete a whole word on the right in Linux Bash Shell command line [duplicate]

1. Ctrl + U = Delete left of the cursor.
2. Ctrl + K = Delete right of the cursor.
3. Ctrl + W = Delete word on the left.

How do you delete text in Unix?

To delete a word, position the cursor at the beginning of the word and type dw . The word and the space it occupied are removed. To delete part of a word, position the cursor on the word to the right of the part to be saved. Type dw to delete the rest of the word.

What is the command to delete a word?

When you need to delete an entire word, press [Ctrl]+[Backspace]. This shortcut deletes text to the left of the insertion point one word at a time instead of one character at a time.

How do I remove a word from grep?

The most simple way to exclude lines with a string or syntax match is by using grep and the -v flag. The output will be the example. txt text file but excluding any line that contains a string match with “ThisWord”. Use whichever works best for your particular workflow.

How do I delete multiple words in Linux?

2 Answers

1. GNU sed (adapted from @jaypal’s comment): sed -r -i ‘s/b(word1|word2|word3)b//g’ file.txt.
2. FreeBSD/OSX sed : sed -E -i ” ‘s/[[:<:]](word1|word2|word3)[[:>:]]//g’ file.txt.

How do you delete a line in Linux?

To delete a line, follow the steps below:

1. First, bring your cursor to the line you want to delete.
2. Press the “Esc” key to change the mode.
3. Now type, “:d”, and press “Enter” to delete the line or quickly press “dd”.

How do I run Xdotool?

xdotool

1. Retrieve the X-Windows window ID of the running Firefox window(s) $ xdotool search –onlyvisible –name [firefox]
2. Click the right mouse button. $ xdotool click [3]
3. Get the id of the currently active window. …
4. Focus on the window with id of 12345. …
5. Type a message, with a 500ms delay for each letter. …
6. Press the enter key.

Which command is used to erase the whole line?

If you’re at the end of a line and want to select the complete line, use the shortcut key combination Shift + Home . If there’s only one line of text in the document, or you want to delete all text, press Ctrl + A key to select all text. Once highlighted, press delete to delete everything.

How do you remove a character from a Unix file?

Remove CTRL-M characters from a file in UNIX

1. The easiest way is probably to use the stream editor sed to remove the ^M characters. Type this command: % sed -e “s/^M//” filename > newfilename. …
2. You can also do it in vi: % vi filename. Inside vi [in ESC mode] type: :%s/^M//g. …
3. You can also do it inside Emacs.

How do I delete multiple lines in vi?

Deleting Multiple Lines

1. Press the Esc key to go to normal mode.
2. Place the cursor on the first line you want to delete.
3. Type 5dd and hit Enter to delete the next five lines.

How do I delete everything from my Nano?

How to Delete Line in Nano?

1. First, you need to press CTRL + Shift + 6 to mark the start of your block.
2. Now, shift the cursor to the end of the block with the arrow keys, and it will outline the text.
3. Finally, press CTRL + K to cut/delete a block and it will remove a line in nano.