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https://github.com/Ponce/slackbuilds
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71 lines
1.8 KiB
Bash
71 lines
1.8 KiB
Bash
#!/bin/bash
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# 20130220: lit2epub by B. Watson (part of convertlit slackbuilds.org build)
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# Licensed under the WTFPL.
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# Wrapper script for convertlit, zips up convertlit's output dir
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# and cleans it up afterward. Leave the shebang line alone, this
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# uses at least one bash-specific feature.
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NAME=$( basename $0 )
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TMP=${TMP:-/tmp}
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OUTDIR=$TMP/$NAME.$$.$RANDOM
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set -e
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if [ "$1" = "" -o "$1" = "--help" -o "$1" = "-h" ]; then
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cat <<EOF
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$NAME - convert a DRM1 .lit file to .epub
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Usage: $NAME input.lit [ output.epub ]
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Default output file is written to the current directory, named after the
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input filename with the .lit or .LIT extension changed to .epub, or the
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input filename with .epub appended, if there is no .lit extension.
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Use - for the output file, to output to stdout.
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Exit status is 0 on success, non-zero on failure.
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If you need to convert a non-DRM1 .lit file, use convertlit to downconvert
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to DRM1 first.
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EOF
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exit 0
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fi
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INFILE="$1"
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case "$INFILE" in
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*.lit) EXT=.lit ;;
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*.LIT) EXT=.LIT ;;
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*) EXT="" ;;
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esac
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trap "rm -rf \"$OUTDIR\"" EXIT ERR
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# All this rigamarole with dirname/basename/readlink needed because we run
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# zip from within our temp directory.
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if [ "$2" = "" ]; then
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OUTFILE="$( pwd )/$( basename "$INFILE" $EXT ).epub"
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if [ -e "$OUTFILE" ]; then
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echo "$NAME: $OUTFILE already exists, aborting" 1>&2
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exit 1
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fi
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elif [ "$2" = "-" ]; then
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OUTFILE="$OUTDIR/output.epub"
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else
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OUTFILE="$( readlink -f "$OUTFILE" )"
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fi
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# convertlit and zip both want to spew status messages to stdout,
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# redirect to stderr so we can output just the .epub to stdout.
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convertlit -d "$INFILE" "$OUTDIR"/ 1>&2
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( cd "$OUTDIR" ; zip -r "$OUTFILE" * 1>&2 )
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if [ "$2" = "-" ]; then
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cat "$OUTFILE"
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OUTFILE="(standard output)"
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fi
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echo 1>&2
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echo "$INFILE => $OUTFILE" 1>&2
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exit 0
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