add organize extension files script

1 files changed, 30 insertions, 0 deletions

diff --git a/.local/bin/orgext b/.local/bin/orgext
new file mode 100755
index 00000000..a3863cf8
--- /dev/null
+++ b/.local/bin/orgext
@@ -0,0 +1,30 @@
+#!/bin/sh
+# can improve by passing $@ to functions but seems need bashism
+# references: 
+# https://stackoverflow.com/questions/1842254/how-can-i-find-all-of-the-distinct-file-extensions-in-a-folder-hierarchy
+
+getext ()
+{
+	find . -maxdepth 1 -type f | awk -F. '!a[$NF]++{print $NF}'
+}
+
+outdir ()
+{ 
+	find . -type f -execdir mv -t "$(realpath .)" '{}' \+ 
+	find . -mindepth 1 -maxdepth 1 -type d -execdir rm -r '{}' \+ 
+}
+
+# may further optimize by output file extension names to a variable and use it for both mkdir and mv, current is fast enough for me
+indir ()
+{
+	getext | xargs mkdir
+	# don't know why -print0/-0 for find and xargs doesn't work here
+	find . -mindepth 1 -maxdepth 1 -type d -execdir basename '{}' \; | xargs -I _ find . -maxdepth 1 -type f -name '*._' -execdir mv -t '_' '{}' \+
+}
+
+case "$1" in
+	'-e') getext;;
+	'-o') outdir;;
+	'-i') indir;;
+	*) outdir; indir;;
+esac