35 lines
1.0 KiB
Bash
Executable File
35 lines
1.0 KiB
Bash
Executable File
#!/bin/bash
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message="Valid entries are: <num>-<num>, <num>-,-<num>, <num>, ''"
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path=$( readlink -f $0 )
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path=${path%/*}
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printf '%s\n' "Chapters:"
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for num in {0..19}; do
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file="$path/chapter$num.txt"
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(( ${#num} == 1 )) && num="0$num"
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h=$( grep -m1 . $file )
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h=${h:2} # rm first 2 chars ('# ')
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# h="${h#"${h%%[![:space:]]*}"}" # rm leading white spaces
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h=${h,,} # all to lowercase
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h=${h^} # first to uppercase
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printf '%s\n' "$num: $h"
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done
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re_num='^[0-9]+$'
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while true; do
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read -p "Input range: " range
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# echo "you chose $range"
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start=${range%%-*}
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: ${start:=0}
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end=${range##*-}
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: ${end:=19}
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# echo "start is $start and end is $end"
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[[ $start =~ $re_num ]] && [[ $end =~ $re_num ]] && break || echo "Not a valid range. $message"
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done
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for num in {0..19}; do
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file="$path/chapter$num.txt"
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(( $num >= $start )) && (( $num <= $end )) && pandoc -s --from=markdown --to=pdf $file | zathura -
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# (( $num >= $start )) && (( $num <= $end )) && printf '%s\n' "$file"
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done
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