30 lines
553 B
Bash
Executable File
30 lines
553 B
Bash
Executable File
#!/usr/bin/env bash
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set -eu -o pipefail
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pages="$1"
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infile="$2"
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outdir="$3"
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if [ ! -f "$infile" ]; then
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echo "$infile does not exist" 2>&1
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exit 1
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fi
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if [ -e "$outdir" -a ! -d "$outdir" ]; then
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echo "$outdir must be a directory or not exist at all" 2>&1
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exit 1
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fi
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mkdir -p "$outdir"
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if [ "$((${pages}%2))" -ne 0 ]; then
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echo "The number of pages ($pages) must be even" 2>&1
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exit 1
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fi
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i=0
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while [ "$i" -lt "$pages" ]; do
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paperjam "select { $((${i}+1)) $((${i}+2)) }" "$infile" "$outdir/$(printf '%0*d' ${#pages} $i).pdf"
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i="$((${i}+2))"
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done
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