Create a simple screen record (with OBS Studio) script

.scripts/screen-record.sh

@@ -0,0 +1,103 @@
+#!/bin/sh 
+
+# Records the screen with OBS Studio.
+
+# This script depends on the following 
+# programs along with the indicated version:
+# OBS Studio - 23.2.1-2 
+# xdotool - version 3.20160805.1
+# echo (part of coreutils 8.31)
+# notify-send - 0.7.8
+
+# Having a notify-send means you also need to 
+# have a notification server (such as dunst) to be up at the time.
+
+function error_cleanup() {
+    # rm "$pic_filepath"    
+    echo "$red An error occurred on line $1\n $reset"
+}
+
+help_section="
+Simply captures a recording with OBS Studio.
+
+Note it requires you to set a hotkey for recording in 
+OBS Studio in order to run this script properly.
+The default hotkey set in this script is 'Shift+R'. 
+If your hotkey is any different,
+change the OBS_RECORDING_HOTKEY variable 
+in this script accordingly.
+
+Usage: $0 [-o/--output <OUTPUT_PATH>] [-s/--select] 
+[-d/--delay <SECONDS>] [--help]
+
+Options:
+-h, --help - show the help section
+-p, --profile <string> - indicate the profile (default: 'Untitled')
+-s, --scene <string> - the scene to be used (default: 'Untitled')
+"
+
+# setting up a exit trap in case of error
+trap 'error_cleanup $LINENO' ERR
+
+while [[ $# -gt 0 ]]
+do
+    case $1 in 
+        -h|--help)
+            echo "$help_section"
+            exit 0;;
+        -p|--profile)
+            PROFILE="$2"
+            shift
+            shift;;
+        -s|--scene)
+            SCENE="$2"
+            shift;;
+        *)
+            shift;;
+    esac
+done
+
+RECORDING_FILE="/tmp/currently-recording"
+OBS_RECORDING_HOTKEY="shift+r"
+
+# The program simply checks for the 
+if [[ ! -f $RECORDING_FILE ]]; then 
+    obs_command="obs --startrecording --minimize-to-tray "
+
+    if [[ -n "$PROFILE" ]]; then
+        obs_command+="--profile $PROFILE "
+    fi
+
+    if [[ -n "$SCENE" ]]; then
+        obs_command+="--scene $SCENE "
+    fi
+
+    eval $obs_command &
+    sleep 1;
+
+    if [[ $? != 0 ]]; then
+        notify-send "Recording starting failed" "Did not successfully started recording."
+        exit 1;
+    fi
+
+    WINDOW_ID=$(xdotool search --name "OBS [[:digit:]]+" | head -n1)
+    notify-send "Recording started." "Found a OBS Studio window instance with the window ID $WINDOW_ID." --expire-time=1000
+    
+    touch $RECORDING_FILE
+    echo $WINDOW_ID >> $RECORDING_FILE
+else
+    current_window_id=$(xdotool getactivewindow)
+
+    WINDOW_ID=$(<"$RECORDING_FILE")
+    
+    xdotool windowkill $WINDOW_ID
+    
+    if [[ $? != 0 ]]; then
+        notify-send "Recording stop process failed" "There's a problem with stopping recording. Might want to manually stop the recording yourself."
+        exit 1;
+    fi
+
+    notify-send "Recording ended." "The recording should be cancelled now."
+    xdotool windowactivate $current_window_id
+    rm "$RECORDING_FILE"
+fi