added readmeHEADmain

1 files changed, 42 insertions, 0 deletions

diff --git a/watchdir b/watchdir
new file mode 100755
index 0000000..3499bf8
--- /dev/null
+++ b/watchdir
@@ -0,0 +1,42 @@
+#!/bin/sh
+# Usage: watchdir [DIR] [LOGFILE]
+# Recursively logs file additions/modifications/deletions.
+
+set -eu
+
+DIR="${1:-$PWD}"
+LOG="${2:-$DIR/changes.log}"
+
+if [ ! -d "$DIR" ]; then
+    printf 'Not a directory: %s\n' "$DIR" >&2
+    exit 1
+fi
+
+DIR=$(readlink -f "$DIR")
+LOG=$(readlink -f "$LOG")
+
+# Exclude patterns (POSIX extended regex, OR-joined).
+# Append more lines below to extend.
+EXCLUDES="${LOG}\$"
+EXCLUDES="${EXCLUDES}|/\\.git(/|\$)"
+# EXCLUDES="${EXCLUDES}|/node_modules(/|\$)"
+# EXCLUDES="${EXCLUDES}|\\.swp\$"
+EXCLUDE_RE="($EXCLUDES)"
+
+printf 'Watching: %s\n' "$DIR"
+printf 'Logging to: %s\n' "$LOG"
+
+inotifywait -mr \
+    --exclude "$EXCLUDE_RE" \
+    -e close_write,create,delete,moved_to,moved_from \
+    --format '%T|%e|%w%f' --timefmt '%F %T' \
+    "$DIR" |
+while IFS='|' read -r ts ev path; do
+    case "$ev" in
+        CREATE*|MOVED_TO*)    action=added ;;
+        CLOSE_WRITE*)         action=modified ;;
+        DELETE*|MOVED_FROM*)  action=deleted ;;
+        *)                    action="$ev" ;;
+    esac
+    printf '%s|%s|%s\n' "$ts" "$action" "$path" >> "$LOG"
+done