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* docs: add local full-text search and a contributor README Add @easyops-cn/docusaurus-search-local to the Docusaurus site so the docs get an offline search bar (index built at build time, no external service). English and zh-CN pages are both indexed, and matched terms are highlighted on the target page. Add docs/README.md describing the Docusaurus setup, local dev/build commands, search behavior, directory layout, and gotchas; exclude it from the published site alongside CLAUDE.md. Point the root README's docs/ entry at it. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TSzcESzU9947zkGzQ6SMmE * docs: remove dead framework leftovers, fix index generation, complete the nav Delete the VitePress (.vitepress/) and Jekyll (_layouts/, css/) leftovers, the one-shot migration scripts (fix_md_header.py, fix_seealso.py), and the stale keywords.json snapshot; prune the matching .gitignore entries and docusaurus exclude patterns. Rewrite gen_index.py for Docusaurus: it emitted dead .html links and legacy 'layout: doc' frontmatter, choked on non-markdown entries, and dropped nested categories — regenerating an index would have broken it. It now emits the extension-less links the site actually uses, links nested category indexes (restoring apply/* on the zh-CN index), and refuses to run on the docs root. Fix update_index.sh's copy-paste titles (zh-CN efun/build were titled 'APPLY'), stop it clobbering the hand-written lpc/index.md, and cover cli/. Regenerated indexes pick up the missing driver/ffi-plan entry. add_missing_efuns.py now takes the keywords.json path as an argument instead of requiring a stale copy. Move CNAME and the Google site-verification file into static/ so they actually reach the published build output. Complete the sidebar: link the CLI category to cli/index and add the missing portbind/symbol/generate_keywords pages, and expose the previously orphaned stdlib section under Reference. Promote onBrokenLinks to 'throw' now the build is warning-free, and drop the empty Demo section from the landing page. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TSzcESzU9947zkGzQ6SMmE * docs: strip legacy 'layout: doc' frontmatter from all pages Mechanical sweep removing the Jekyll-era 'layout: doc' line from every doc page's frontmatter (Docusaurus ignores it), and the matching line from the templates in docs/CLAUDE.md so new pages don't reintroduce it. No content changes. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TSzcESzU9947zkGzQ6SMmE --------- Co-authored-by: Claude <noreply@anthropic.com>
55 lines
1.9 KiB
Markdown
55 lines
1.9 KiB
Markdown
---
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title: strings / replace_string
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---
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# replace_string
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### NAME
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replace_string() - replace all instances of a string within a string
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### SYNOPSIS
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string replace_string( str, pattern, replace );
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string replace_string( str, pattern, replace, max );
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string replace_string( str, pattern, replace, first, last );
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string str, pattern replace;
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int max, first, last;
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### DESCRIPTION
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replace_string() returns str with all instances of pattern replaced
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with replace. If pattern has zero length then str is returned unmodi‐
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fied. If the resultant string would exceed the maximum string length
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then replace_string() returns an undefinedp(), non-stringp() value.
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replace_string() can be used to remove characters from a string by
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specifying a pattern and a zero-length replace parameter. For example,
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replace_string(" 1 2 3 ", " ", "") would return "123".
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replace_string() executes faster this way then explode()/implode().
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The 4th and 5th arguments are optional (to retain backward compatibil‐
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ity.) The extra arguments have the following effect:
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4 args
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The 4th argument specifies the maximum number of replacements to
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make (the count starts at 1). A value of 0 implies 'replace all',
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and thus, acts as replace_string() with 3 arguments would. E.g.,
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replace_string("xyxx", "x", "z", 2) would return "zyzx".
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5 args
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The 4th and 5th arguments specify the range of matches to replace
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between, with the following constraints:
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- first < 1 : change all from the start.
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- last == 0, or last > max_matches : change all to end
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- first > last : return the unmodified array.
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E.g., replace_string("xyxxy", "x", "z", 2, 3) returns "xyzzy".
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### SEE ALSO
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sscanf(3), explode(3), strsrch(3)
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### AUTHOR
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Zak@TMI-2 wrote the range constraint additions.
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