cleanup scriptsHEADmain

1 files changed, 10 insertions, 8 deletions

diff --git a/record b/record
index 051765d..1430df2 100755
--- a/record
+++ b/record
@@ -1,17 +1,19 @@
 #!/bin/sh
 
 # record: Record an mp4 video using ffmpeg. By default it will output the
-# video to './out.mp4'. Requires ffmpeg to be built with Xcb support on NixOS.
-# Screen resolution can be specified, but defaults to 1080p.
+# video to './out.mp4' at 1080p. On NixOS, ffmpeg requires Xcb support.
 
-die() { echo "$0: $*" >&2; exit 1; }
-try() { "$@" || die "cannot $*"; }
+set -eu
 
 while getopts ":r:h" args; do
   case "$args" in
     r) RESOLUTION="$OPTARG" ;;
-    h) die "record [-r RESOLUTION] FILE" ;;
-    *) die "-$OPTARG is not an option." ;;
+    h) echo "Usage: record [-r RESOLUTION] FILE" >&2
+       exit 1
+       ;;
+    *) printf "Invalid option: -%s\nSee '-h' for usage\n" "$OPTARG" >&2
+       exit 1
+       ;;
   esac
 done
 shift $((OPTIND - 1))
@@ -19,5 +21,5 @@ shift $((OPTIND - 1))
 FILE="${1:-out}"
 : "${RESOLUTION:=1920x1080}"
 
-try ffmpeg -y -f x11grab -s "$RESOLUTION" -framerate 60 -i :0.0 -f alsa \
-           -i default -nostats -hide_banner -loglevel quiet "${FILE}.mp4"
+ffmpeg -y -f x11grab -s "$RESOLUTION" -framerate 60 -i :0.0 -f alsa \
+       -i default -nostats -hide_banner -loglevel quiet "${FILE}.mp4"