When debugging RTL or constraint files, comparing multiple files directly in Vi saves time. — 1. Opening Multiple Files vi file1.v file2.v Use :n → move to next file Use :N → move to previous file — 2. Split Views for Side-by-Side Editing :vs file2.v # Vertical split :sp file2.v # […]
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1. Why Customize Vim? By default, Vim works fine — but customizing it can boost your editing speed, accuracy, and comfort dramatically. With just a few lines in your .vimrc or .exrc file, you can: These features are especially valuable when editing large RTL, constraint, or testbench files in Linux. 2. What Are .vimrc and
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1. Why Advanced Commands Matter Once you’re comfortable editing files in Vi, the next step is efficiency. These advanced commands let you: Perfect for engineers working on multi-file RTL projects, testbench automation, or configuration management. 2. Transfer and Move Lines Between Locations Command Description :n1,n2 t n3 Copy (transfer) lines from range n1–n2
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1. What Are Regular Expressions (Regex)? Regular Expressions (Regex) are text patterns used to search, match, and manipulate strings in a file. They allow Vi to: Regex is the secret behind Vi’s smart searching — it transforms a plain editor into a mini automation tool. 2. Basic Regex Symbols in Vi Symbol Meaning Example ^
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1. Why Copy/Cut/Paste is Important in Vi In verification or RTL workflows, you frequently need to: With Vi, you can perform all this without using a mouse, making your workflow much faster — especially when working over SSH or remote servers. 2. Understanding Yank (Copy), Delete (Cut), and Put (Paste) Command Operation Description yy Yank
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1. Why Search and Replace Are Vital in Vi When working with HDL files, SDC constraints, or simulation logs, you often need to: Vi provides fast and flexible commands for searching and replacing text without leaving the terminal. 2. Searching for Text Command Description /pattern Search forward for the given pattern ?pattern Search backward for
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1. Why Navigation Matters in Vi When editing large RTL, log, or constraint files, you often need to: Vi’s navigation commands are entirely keyboard-based — no mouse, no lag — ideal for SSH or terminal-only environments used in VLSI projects. 2. Basic Cursor Movement Commands Command Description h Move left by one character l Move
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1. Entering Insert Mode Vi starts in Normal Mode. To type or modify text, you must switch to Insert Mode using any of the following commands: Command Action i Insert text before the cursor I Insert text at the beginning of the current line a Append text after the cursor A Append text at the
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1. What is Vi/Vim Editor? Vi (Visual Editor) is one of the most powerful and lightweight text editors available on every Unix/Linux system. Its improved version, Vim (Vi Improved), adds color highlighting, syntax support, and advanced features. Vim is the go-to editor for VLSI engineers working with RTL code, constraint files, testbench scripts, or log
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