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change and document variable expansion

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Luuk van Baal 2024-09-15 16:04:37 +02:00
parent 7571d172aa
commit aa04d6370b
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1 changed files with 3 additions and 3 deletions
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6
plugins/preview-tui
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@ -112,7 +112,7 @@ ENVVARS=(
"NNN_PREVIEWWIDTH=${NNN_PREVIEWWIDTH:-1920}" # width of generated preview images
"NNN_PREVIEWHEIGHT=${NNN_PREVIEWHEIGHT:-1080}" # height of generated preview images
"NNN_PREVIEWDIR=${NNN_PREVIEWDIR:-$TMPDIR/nnn/previews}" # location of generated preview images
"NNN_PREVIEWIMGPROG=${NNN_PREVIEWIMGPROG:-}" # program used to preview images
"NNN_PREVIEWIMGPROG=${NNN_PREVIEWIMGPROG:-}" # command used to preview images
"NNN_PREVIEWVIDEO=${NNN_PREVIEWVIDEO:-}" # mpv backend used to preview video
)
# Non-configurable environment variables
@ -131,7 +131,7 @@ ENVVARS+=(
)
trap '' PIPE
exists() { type "${1%% *}" >/dev/null 2>&1 ;}
exists() { type "$1" >/dev/null 2>&1 ;}
pkill() { command pkill "$@" >/dev/null 2>&1 ;}
prompt() { clear; printf "%b" "$@"; cfg=$(stty -g); stty raw -echo; head -c 1; stty "$cfg" ;}
pidkill() {
@ -452,7 +452,7 @@ image_preview() {
wezterm imgcat "$3" &
elif exists ueberzug && [[ "$NNN_PREVIEWIMGPROG" == +(|ueberzug) ]]; then
ueberzug_layer "$1" "$2" "$3" && return
elif exists "$NNN_PREVIEWIMGPROG"; then
elif exists "${NNN_PREVIEWIMGPROG%% *}"; then # can include command flags; only check first word
"$NNN_PREVIEWIMGPROG" "$3" &
else
fifo_pager print_bin_info "$3" && return