From b08187c1130edb56ab9a7e7e6f8f9ed4f9b627bb Mon Sep 17 00:00:00 2001
From: Matteo Cypriani <mcy@lm7.fr>
Date: Wed, 11 Apr 2018 20:55:01 +0200
Subject: [PATCH] Add file_utils/prefixsubdirs.sh

---
 bin/prefixsubdirs           |  1 +
 file_utils/README.md        | 22 ++++++++++++++++
 file_utils/prefixsubdirs.sh | 52 +++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+)
 create mode 120000 bin/prefixsubdirs
 create mode 100755 file_utils/prefixsubdirs.sh

diff --git a/bin/prefixsubdirs b/bin/prefixsubdirs
new file mode 120000
index 0000000..1f883f8
--- /dev/null
+++ b/bin/prefixsubdirs
@@ -0,0 +1 @@
+../file_utils/prefixsubdirs.sh
\ No newline at end of file
diff --git a/file_utils/README.md b/file_utils/README.md
index 777a932..88ed08d 100644
--- a/file_utils/README.md
+++ b/file_utils/README.md
@@ -49,6 +49,28 @@ If you want to integrate it in ROX-Filer:
     cp mvparent.sh ~/.config/rox.sourceforge.net/SendTo/.inode_directory/"Move here"
 
 
+prefixsubdirs.sh
+================
+
+The use case for this script is to flatten a file hierarchy, for instance
+switching from:
+
+    dir1
+    |-- dirA
+    |-- dirB
+    `-- dirC
+
+to:
+
+    dir1 ; dirA
+    dir1 ; dirB
+    dir1 ; dirC
+
+However, `prefixsubdirs.sh` will only rename the subdirectories (not the
+regular files) within the given directories, it will not actually flatten the
+hierarchy. You can use `mvparent.sh` for this purpose (see above).
+
+
 unln.py
 =======
 
diff --git a/file_utils/prefixsubdirs.sh b/file_utils/prefixsubdirs.sh
new file mode 100755
index 0000000..9c296c4
--- /dev/null
+++ b/file_utils/prefixsubdirs.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# prefixsubdirs.sh, Copyright © 2018 Matteo Cypriani
+#
+# This program is free software. It comes without any warranty, to
+# the extent permitted by applicable law. You can redistribute it
+# and/or modify it under the terms of the Do What The Fuck You Want
+# To Public License, Version 2, as published by Sam Hocevar. See
+# http://sam.zoy.org/wtfpl/COPYING for more details.
+#
+# For each directory provided on the command-line, this script prefixes its
+# subdirectorie(s) with its name and a separator (" ; " by default).
+
+set -e
+#set -x
+
+SEPARATOR=' ; '
+MVOPTS='-v'
+
+prefix_subdirs()
+(
+    dir="$1"
+    cd "$dir"
+
+    files="$(echo -- *)"
+    [ "$files" = '*' ] && return 0
+
+    for file in * ; do
+        [ -d "$file" ] || continue
+        mv $MVOPTS "$file" "${dir}${SEPARATOR}${file}"
+    done
+)
+
+if [ $# -lt 1 ] ; then
+    echo "Usage: $(basename "$0") DIRECTORY [DIRECTORY [...]]" >&2
+    exit 1
+fi
+
+while [ -n "$1" ] ; do
+    dir=$1
+    shift
+
+    if [ ! -d "$dir" ] ; then
+        printf 'Warning! "%s" is not a directory: ignoring.\n' "$dir" >&2
+        continue
+    fi
+
+    printf 'Entering "%s" ...\n' "$dir"
+    prefix_subdirs "$dir"
+done
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4