Vi Editor – Part 2

Problem 6
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How to copy range of lines from a file to another?

Solution 6
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Suppose i want to copy 50 lines from line number 15 to 64, then open file in vi editor in command mode then follow below command
:15,64w file2.txt

Additionally,
For single line –> :10w file2.txt
For current line where cursor is positioned –> : .w file2.txt
For last line –> :$w file2.txt
For current line to end –> : .,$w file2.txt

Problem 7
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What are repeat factor and how to use in navigation?

Solution 7
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k — move cursor up
j — move cursor down
h — move cursor left
l — move cursor right

if want to move 5 lines up then use “5k” this is called repeat factor.

Problem 8
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how to navigate among words in a line?

Solution 8
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Problem 9
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How to do “copy and paste” in vi editor?

Solution 9
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Open a file in vi editor in command mode,
y — copy single character
yy — copy current line
15yy — copy current line and 14 lines below

p – paste text on right
P – paste text on left

NOTE: p and P paste text on right and left when delete single character of line. However, same keys paste “below” and “above” when delete complete line.

Problem 10
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How to join lines?

Solution 10
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Use “J” in command mode. Additionally, if want to join current line and 5 lines below current line then use “6J” (called repeat factor)

Problem 11
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How to discard all changes in a line before moving away from the line.

Solution 11
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Use “U” in command mode

Problem 12
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How to repeat last command?

Solution 12
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Use “.” in command mode. For e.g. if you have deleted 3 lines using “3dd” then you can delete 3 lines again and again by pressing “.”