shell: alias: add cal alias with useful options

In the past, Debian's `cal` used to color the current day which was
enough for my use. But recently this changed to the more traditional
`cal` output with no highlight. So use `ncal` directly and add other
useful options.

diff --git a/shell/shell/aliases.in b/shell/shell/aliases.in
index c78823d3b25b8bdf1dbe2f9913cea48237b63150..a17301093c95e4e82a6e3cbd9e80d9f49f24e2a5 100644 (file)
--- a/shell/shell/aliases.in
+++ b/shell/shell/aliases.in
@@ -141,4 +141,8 @@ fi
 # Use short `ip` output per default.
 alias ip='ip -brief -color=auto'
 
+# Calendar with traditional output (-b), weeks starting on Monday (-M), week
+# numbers (-w) and the previous, current and next month (-3)
+alias cal='ncal -b -M -w -3'
+
 # vim: ft=sh