From 71c71ac890cc71dcc32c41b7a5280dbe13232f56 Mon Sep 17 00:00:00 2001
From: rswindell <>
Date: Sun, 26 Apr 2020 04:41:58 +0000
Subject: [PATCH] A function (get) that returns the relative path between two
absolute paths (directories, real or theoretical).
---
exec/load/relpath.js | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 exec/load/relpath.js
diff --git a/exec/load/relpath.js b/exec/load/relpath.js
new file mode 100644
index 0000000000..d7c0503d3c
--- /dev/null
+++ b/exec/load/relpath.js
@@ -0,0 +1,26 @@
+// $Id$
+
+// Given 2 absolute directories: a working directory (cwd) and a target (dir),
+// return the relative path to reach the target directory.
+// The given directories do not have to actually exist.
+// Returns a slash-separated path, terminated with a trailing slash.
+function get(cwd, dir)
+{
+ var cwd = backslash(fullpath(cwd)).replace('\\', '/', 'g').split('/');
+ var dir = backslash(fullpath(dir)).replace('\\', '/', 'g').split('/');
+ var common;
+ for(common = 0; common < cwd.length; common++) {
+ if(cwd[common] != dir[common])
+ break;
+ }
+ var result = [];
+ if(common) {
+ cwd.splice(0, common);
+ dir.splice(0, common);
+ while(result.length < cwd.length - 1)
+ result.push("..");
+ }
+ return result.concat(dir).join('/');
+}
+
+this;
--
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