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-rw-r--r--.local/bin/subextract14
1 files changed, 14 insertions, 0 deletions
diff --git a/.local/bin/subextract b/.local/bin/subextract
new file mode 100644
index 0000000..1b7018d
--- /dev/null
+++ b/.local/bin/subextract
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# assign variables
+filename=${1%%.*}
+if [ -z "$2" ]; then language=nob; else language=$2; fi
+if [ -z "$3" ]; then destination=.; else destination=$3; fi
+stream=$(ffmpeg -i "$1" 2>&1 | awk -v lang="$language" -F"[#(]" '$0~lang {print $2}')
+output_filename=$(printf %s/%s_%s.srt "$destination" "$filename" "$language")
+
+# dump subtitle
+ffmpeg -i "$1" -c copy -map "$stream" "$output_filename"
+
+# remove empty file
+if [ ! -s "$output_filename" ]; then rm "$output_filename" ; fi