feat: add subdiff utility (#118)

disrupted · Jan 15, 2022 · 77cc346 · 77cc346
1 parent df88868
commit 77cc346
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/subdiff.sh b/subdiff.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# useful to diff the contents of 2 SRT subtitle files
+
+if [ ! -s "$1" ] || [ ! -s "$2" ] || [ "$1" == "$2" ]; then
+    echo "usage: subdiff file1.srt file2.srt"
+    exit 1
+fi
+
+_read_file() {
+    cat "$1" | rg '[^\d]|^\s*$'
+}
+
+diff -u <(_read_file "$1") <(_read_file "$2") | delta -s --wrap-max-lines unlimited
+
+exit 0