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#!/bin/sh
[ -n "$1" ] && FILE="$1" || {
echo "error: no input file"
exit 1
}
[ -n "$2" ] && WIDTH="$(( "$2" - 1 ))" || WIDTH="$(tput cols)"
[ -n "$3" ] && HEIGHT="$3" || HEIGHT="$(tput lines)"
[ -n "$4" ] && POS_X="$4" || POS_X="0"
[ -n "$5" ] && POS_Y="$5" || POS_Y="0"
MIMETYPE="$(file --mime-type -Lb "$FILE")"
EXT="${FILE#*.}"
if [ "$MIMETYPE" = "text/plain" ] ; then
[ "$EXT" = "md" ] && MIMETYPE="text/markdown"
[ "$EXT" = "rst" ] && MIMETYPE="text/x-rst"
fi
[ "$MIMETYPE" = "application/javascript" ] && MIMETYPE="text/javascript"
render_manpage() {
exec groff -T utf8 -m man -rcR=1 -rIN=0 -rLL="${WIDTH}n" << EOF
.nr an-suppress-header-and-footer 1
.TH
$(cat | preconv)
EOF
}
case "$MIMETYPE" in
image/*)
if [ -z "$UB_SOCKET" ] ; then
echo "ueberzug not available"
else
ueberzugpp cmd \
--socket "$UB_SOCKET" \
--action add \
--identifier PREVIEW \
--file "$FILE" \
--max-width "$WIDTH" --max-height "$HEIGHT" \
--xpos "$POS_X" --ypos "$POS_Y"
exit 1 # <- disable cache
fi
;;
text/markdown)
pandoc --from=gfm --to=man "$FILE" | render_manpage
;;
text/x-rst)
pandoc --from=rst --to=man "$FILE" | render_manpage
;;
text/*)
bat \
--terminal-width="$WIDTH" \
--paging=never \
--color=always \
-- "$FILE"
;;
application/x-tar|\
application/x-bzip|\
application/x-bzip2|\
application/gzip|\
application/zip|\
application/x-7z-compressed|\
application/vnd.rar)
bsdtar -tf "$FILE"
;;
application/json)
jq --color-output . "$FILE"
;;
*)
echo "$MIMETYPE"
file -b "$FILE" | fold --width="$WIDTH" --spaces
;;
esac
exit 0
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