ffmpeg combine, add sqlite3

cheat/cheatsheets/ffmpeg

@@ -4,13 +4,16 @@ ffmpeg -i path/to/file.ext
 # Convert all m4a files to mp3
 for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -vn -b:a 320k "${f%.m4a}.mp3"; done
 
-# Convert video
+# Convert video from .foo to .bar
 # -g : GOP, for searchability
-ffmpeg -i input.ext -vcodec vp9 -acodec libopus -b:v 21000k -b:a 320k -g 150 -threads 4 output.ext
+ffmpeg -i input.foo -vcodec bar -acodec baz -b:v 21000k -b:a 320k -g 150 -threads 4 output.bar
 
 # Convert image sequence to video
 ffmpeg -r 18 -pattern_type glob -i '*.png' -b:v 21000k -s hd1080 -vcodec vp9 -an -pix_fmt yuv420p -deinterlace output.ext
 
+# Combine video and audio into one file
+ffmpeg -i video.ext -i audio.ext -c:v copy -c:a copy output.ext
+
 # Listen to 10 seconds of audio from a video file
 #
 # -ss : start time

cheat/cheatsheets/sqlite3

@@ -0,0 +1,20 @@
+# create database and launch interactive shell
+sqlite3 example.db
+
+# create table
+sqlite3 example.db "CREATE TABLE Os(ID INTEGER PRIMARY KEY, Name TEXT, Year INTEGER);"
+
+# insert data
+sqlite3 example.db "INSERT INTO 'Os' VALUES(1,'Linux',1991);"
+
+# list tables
+sqlite3 example.db ".tables"
+
+# view records in table
+sqlite3 example.db "SELECT * FROM 'Os';"
+
+# view records in table conditionally
+sqlite example.db "SELECT * FROM 'Os' WHERE Year='1991';"
+
+# view records with fuzzy matching
+sqlite3 ~/example.db "SELECT * FROM 'Os' WHERE Year like '19%';"