From 5b8e387dc4928a2075c3a5a085fe803945a37e47 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Wed, 3 Jun 2015 23:21:56 +1200
Subject: Add vared function for editing vars

---
 bash/bashrc.d/vared.bash | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 bash/bashrc.d/vared.bash

(limited to 'bash/bashrc.d/vared.bash')

diff --git a/bash/bashrc.d/vared.bash b/bash/bashrc.d/vared.bash
new file mode 100644
index 00000000..a2066b4c
--- /dev/null
+++ b/bash/bashrc.d/vared.bash
@@ -0,0 +1,19 @@
+# Requires Bash >= 4.0 for read -i and ${!name}
+if ((10#${BASH_VERSINFO[0]%%[![:digit:]]*} < 4)) ; then
+    return
+fi
+
+# Edit named variables' values
+vared() {
+    if ! (($#)) ; then
+        printf 'bash: %s: No variable names given\n' \
+            "$FUNCNAME" >&2
+        return 2
+    fi
+    local name
+    for name in "$@" ; do
+        IFS= read -e -i "${!name}" -p "$name"= -r "$name"
+    done
+}
+complete -A variable vared
+
-- 
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