ENH perms - display permissions of target up to the root of the filesystem

README.rst

 EMBL utilities
 ==============
 
+``perms`` - a script to display permissions of a target file/folder up to the root of the filesystem (useful when granting permissions to someone else).
 ``submitjob`` - a polyglot script that submits jobs to SGE, LSF and SLURM clusters.

bin/perms

+#!/usr/bin/env bash
+# perms.sh -- created 2016-06-05, Renato Alves
+
+usage() {
+    echo >&2 ""
+    echo >&2 "Usage:"
+    echo >&2 "    $0 [path]"
+    echo >&2 ""
+    echo >&2 "Optional parameters:"
+    echo >&2 "    path    = if not given, the current work directory is used"
+    echo >&2 ""
+}
+
+function uptree {
+    [ "x$1" == "x" ] && return
+
+    # NOTE The \ in \ls is meant to ensure 'ls' is not a shell alias
+    ( \ls -ld -- "$1"; [ "$1" = '/' ] && return; uptree "$(dirname "$1")") | column -t
+}
+
+# Parse args using getopt (instead of getopts) to allow arguments before options
+ARGS=$(getopt -o h -n "$0" -- "$@")
+# reorganize arguments as returned by getopt
+eval set -- "$ARGS"
+
+while true; do
+    case "$1" in
+        # Shift before to throw away option
+        # Shift after if option has a required positional argument
+        -h)
+            shift
+            usage && exit 0
+            ;;
+        --)
+            shift
+            break
+            ;;
+    esac
+done
+
+if [ "$#" == "1" ]; then
+    DIR=$(readlink -f "$1")
+else
+    DIR=$(pwd -P)
+fi
+
+uptree "$DIR"