312 lines
9.3 KiB
HTML
312 lines
9.3 KiB
HTML
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<title>fzf Cheatsheet - Cheatsheets - Launch Pad</title>
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__ _______________________ _________._________________________
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\_ _____/ \______ \ / _ \ / _____/ / _____/ | | \_ _____/
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\___ / |____|_ / \____|__ / \______ / \______ / |_______ \ /_______ /
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</div>
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<div class="blog-header-content">
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<svg xmlns="http://www.w3.org/2000/svg" width="42" height="42" viewBox="0 0 24 24" class="home-icon"><path fill="currentColor" d="M10 20v-6h4v6h5v-8h3L12 3 2 12h3v8z"/></svg>
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</a>
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<h1 class="blog-page-title">fzf Cheatsheet</h1>
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</div>
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</div>
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<div class="blog-post-container">
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<div class="blog-posts-container" style="max-width: 900px; margin: 0 auto;">
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<p><a href="index.html">← Back to cheatsheets</a></p>
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<p><a href="../index.html">← Home</a></p>
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<hr>
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<p>fzf (fuzzy finder) is a command-line fuzzy finder for filtering and selecting from lists. Extremely fast and versatile for navigating files, command history, and more.</p>
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<hr>
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<h2>Basic Usage</h2>
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<ul>
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<li>fzf - Fuzzy find from stdin</li>
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</ul>
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<ul>
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<li>ls | fzf - Fuzzy find from file list</li>
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</ul>
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<ul>
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<li>find . -type f | fzf - Fuzzy find from find results</li>
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</ul>
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<ul>
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<li>fzf <dir> - Fuzzy find files in directory</li>
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</ul>
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<hr>
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<h2>Interactive Commands</h2>
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<ul>
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<li>Ctrl+C, Esc - Exit</li>
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</ul>
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<ul>
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<li>Enter - Select and exit</li>
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</ul>
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<ul>
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<li>Tab - Select multiple items (multi-select)</li>
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</ul>
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<ul>
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<li>Shift+Tab - Unselect</li>
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</ul>
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<ul>
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<li>Up/Down Arrow or Ctrl+P/N - Navigate up/down</li>
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</ul>
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<ul>
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<li>Page Up/Down or Ctrl+V/B - Navigate page up/down</li>
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</ul>
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<ul>
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<li>Alt+Up/Down - Navigate half page up/down</li>
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</ul>
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<ul>
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<li>Ctrl+A - Select all</li>
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</ul>
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<ul>
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<li>Ctrl+D - Deselect all</li>
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</ul>
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<ul>
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<li>Ctrl+T - Toggle all</li>
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</ul>
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<ul>
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<li>Ctrl+L - Clear input</li>
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</ul>
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<ul>
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<li>? - Toggle preview window</li>
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</ul>
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<ul>
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<li>Alt+W - Toggle preview wrap</li>
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</ul>
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<ul>
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<li>Alt+? - Toggle help</li>
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</ul>
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<hr>
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<h2>Search Patterns</h2>
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<ul>
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<li>`word` - Match lines containing word</li>
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</ul>
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<ul>
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<li>`'word` - Exact match (disables fuzzy matching)</li>
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</ul>
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<ul>
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<li>`^word` - Prefix match (starts with word)</li>
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</ul>
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<ul>
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<li>`word$` - Suffix match (ends with word)</li>
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</ul>
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<ul>
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<li>`!word` - Negation (exclude lines with word)</li>
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</ul>
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<ul>
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<li>`'word1 | 'word2` - OR operator</li>
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</ul>
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<ul>
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<li>`word1 word2` - AND operator (both must match)</li>
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</ul>
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<hr>
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<h2>Preview Window</h2>
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<ul>
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<li>fzf --preview='cat {}' - Preview file contents</li>
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</ul>
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<ul>
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<li>fzf --preview='head -100 {}' - Preview first 100 lines</li>
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</ul>
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<ul>
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<li>fzf --preview='ls -lah {}' - Preview file details</li>
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</ul>
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<ul>
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<li>fzf --preview-window=right:40% - Custom preview window size</li>
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</ul>
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<ul>
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<li>fzf --preview-window=hidden - Hide preview initially</li>
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</ul>
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<ul>
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<li>? - Toggle preview (in fzf)</li>
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</ul>
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<hr>
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<h2>Common Use Cases</h2>
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<h3>File Navigation</h3>
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<ul>
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<li>fzf - Find files in current directory</li>
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</ul>
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<ul>
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<li>find . -type f | fzf - Find all files recursively</li>
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</ul>
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<ul>
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<li>fzf --type f - Files only</li>
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</ul>
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<ul>
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<li>fzf --type d - Directories only</li>
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</ul>
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<h3>Command History</h3>
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<ul>
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<li>history | fzf - Search command history</li>
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</ul>
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<ul>
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<li>Ctrl+R - fzf search through history (if configured)</li>
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</ul>
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<h3>Process Selection</h3>
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<ul>
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<li>ps aux | fzf - Search and select process</li>
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</ul>
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<ul>
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<li>ps aux | fzf | awk '{print $2}' - Get PID from selection</li>
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</ul>
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<h3>Git Operations</h3>
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<ul>
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<li>git log --oneline | fzf - Browse git commits</li>
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</ul>
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<ul>
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<li>git branch | fzf - Select branch</li>
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</ul>
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<ul>
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<li>git stash list | fzf - Select stash</li>
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</ul>
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<hr>
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<h2>Shell Integration</h2>
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<h3>Bash/Zsh Key Bindings</h3>
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<p>Add to `~/.bashrc` or `~/.zshrc`:</p>
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<pre><code># Use fzf for Ctrl+R history search
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if command -v fzf >/dev/null 2>&1; then
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source /usr/share/fzf/shell/key-bindings.bash # or .zsh
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fi</code></pre>
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<p>After setup:</p>
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<ul>
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<li>Ctrl+R - Search command history</li>
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</ul>
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<ul>
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<li>Ctrl+T - Find and insert file path</li>
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</ul>
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<ul>
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<li>Alt+C - Change directory (cd)</li>
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</ul>
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<h3>Fish Shell</h3>
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<pre><code>fzf_key_bindings</code></pre>
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<hr>
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<h2>Useful Aliases</h2>
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<p>Add to your shell config:</p>
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<pre><code># File operations
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alias fcd='cd $(find . -type d | fzf)'
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alias fvim='vim $(fzf)'
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alias fcat='cat $(fzf)'
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# Git with fzf
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alias fco='git checkout $(git branch | fzf | sed "s/^..//")'
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# Process kill
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alias fkill='kill -9 $(ps aux | fzf | awk "{print \$2}")'</code></pre>
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<hr>
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<h2>Advanced Options</h2>
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<ul>
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<li>fzf --height 40% - Set height</li>
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</ul>
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<ul>
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<li>fzf --reverse - Reverse layout (top to bottom)</li>
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</ul>
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<ul>
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<li>fzf --border - Show border</li>
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</ul>
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<ul>
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<li>fzf --header='Select file:' - Custom header</li>
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</ul>
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<ul>
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<li>fzf --multi - Enable multi-select</li>
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</ul>
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<ul>
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<li>fzf --bind='ctrl-a:select-all' - Custom key bindings</li>
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</ul>
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<ul>
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<li>fzf --exact - Exact match mode</li>
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</ul>
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<ul>
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<li>fzf --extended - Extended search mode (default)</li>
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</ul>
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<hr>
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<h2>Configuration</h2>
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<h3>Config File Location</h3>
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<ul>
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<li>`~/.fzfrc` - fzf configuration</li>
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</ul>
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<ul>
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<li>`~/.fzf.bash` - Bash integration (if installed)</li>
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</ul>
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<ul>
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<li>`~/.fzf.zsh` - Zsh integration (if installed)</li>
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</ul>
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<ul>
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<li>`/usr/share/fzf/` - Default installation directory</li>
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</ul>
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<h3>Example Configuration</h3>
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<pre><code># fzf options
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export FZF_DEFAULT_OPTS='--height 40% --reverse --border'
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export FZF_DEFAULT_COMMAND='fd --type f' # Use fd instead of find
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export FZF_CTRL_T_COMMAND='fd --type f'
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export FZF_CTRL_T_OPTS='--preview "bat --color=always --style=numbers {}"'</code></pre>
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<hr>
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<h2>Tips</h2>
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<ul>
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<li>Use single quotes `'word'` for exact matches when fuzzy matching fails</li>
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</ul>
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<ul>
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<li>Combine with other tools using pipes: `find . | fzf | xargs vim`</li>
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</ul>
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<ul>
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<li>Use preview window to see file contents before selecting</li>
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</ul>
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<ul>
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<li>Configure shell bindings for Ctrl+R, Ctrl+T, Alt+C</li>
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</ul>
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<ul>
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<li>Use multi-select (Tab) to select multiple files</li>
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</ul>
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<ul>
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<li>Install ripgrep or fd for faster file finding with fzf</li>
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</ul>
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<ul>
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<li>Customize colors and layout with FZF_DEFAULT_OPTS</li>
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</ul>
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<ul>
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<li>Use fzf in scripts for interactive selection</li>
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</ul>
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<ul>
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<li>Combine with vim (fzf.vim plugin) for file navigation</li>
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</ul>
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<ul>
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<li>Great for browsing logs: `tail -f /var/log/syslog | fzf`</li>
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</ul>
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<hr>
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<p><a href="index.html">← Back to cheatsheets</a></p>
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<p><a href="../index.html">← Home</a></p>
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