bashrc: add a function for "cd n dirs up"

1 files changed, 16 insertions, 0 deletions

diff --git a/bash/bashrc b/bash/bashrc
index 2e48a70..4cf0273 100644
--- a/bash/bashrc
+++ b/bash/bashrc
@@ -27,6 +27,22 @@ fi
 # XXX should this be here?
 stty -ixon
 
+cu()
+{
+    local lvl=$1
+    if ! [[ "${lvl}" =~ ^[0-9]+$ ]]; then
+        echo "Parameter must be a non-negative integer: ${lvl}"
+        return 1
+    fi
+
+    local dir=""
+    for i in $(seq "${lvl}"); do
+        dir=${dir}../
+    done
+
+    cd "${dir}"
+}
+
 # define the prompt
 . ~/.config/bash/prompt
 PS1=$(__prompt_func)