Přemysl Eric Janouch
b070df6010
sdn-view is still slower than I'd like it to be, just no longer ridiculously so.
55 lines
1.2 KiB
Bash
Executable File
55 lines
1.2 KiB
Bash
Executable File
#!/bin/sh -e
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# sdn-view: a viewer for sdn that makes use of Midnight Commander configuration
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# to make more kinds of files directly viewable
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if [ "$#" -ne 1 ]
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then
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echo "Usage: $0 FILE" >&2
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exit 2
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fi
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# This handles both MC_DATADIR and odd installation locations.
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datadir=
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if command -v mc >/dev/null
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then datadir=$(mc --datadir | sed 's/ (.*)$//')
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fi
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config=
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for dir in "$HOME"/.config/mc "$datadir" /etc/mc
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do
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if [ -n "$dir" -a -f "$dir/mc.ext.ini" ]
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then
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config=$dir/mc.ext.ini
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break
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fi
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done
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# This is often used in %env{} expansion, so let's be on the same page.
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export PAGER=${PAGER:-less}
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export MC_EXT_FILENAME=$(realpath "$1")
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export MC_EXT_BASENAME=$(basename "$1")
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export MC_EXT_CURRENTDIR=$(dirname "$MC_EXT_FILENAME")
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output=$(sdn-mc-ext <"$config" "$(file -Lbz "$1")" \
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"$MC_EXT_FILENAME" "$MC_EXT_BASENAME" "$MC_EXT_CURRENTDIR" View || :)
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kind=$(echo "$output" | sed -n 1p)
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command=$(echo "$output" | sed -n 2p)
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case "$kind" in
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view)
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if [ -n "$command" ]
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then eval "$command" | "$PAGER"
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else "$PAGER" -- "$MC_EXT_FILENAME"
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fi
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;;
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'')
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if [ -n "$command" ]
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then eval "$command"
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else "$PAGER" -- "$MC_EXT_FILENAME"
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fi
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;;
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*)
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echo "Unsupported: $kind" >&2
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exit 1
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esac
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