#!/bin/bash
# Convert the entire digest issue of 2600 volume 35 into audio files for easy listening!

# I have found these settings considerably improve the legibility of the nanotts output; ymmv
#speed="0.8"
speed="0.78"
voice="en-US"
volume="0.6"
pitch="1.14"

# your file location and name will vary, obviously.
FILENAME="2600_The_Hacker_Digest-Volume_35.txt"

# Even though it may not look like it, these numbers are in pairs;
# Each pair is a starting and ending line (inclusive) of a section of text
SECTIONS="204 224 230 264 270 328 334 462 468 594 600 648 654 782 788 892 898 988 994 1006 1012 1048 1054 1124 1130 1160 1166 1194 1202 1222 1228 1254
    1260 1300 1306 1374 1380 1542 1548 1582 1588 1632 1638 1652 1658 1688 1694 1748 1754 1832 1838 1862 1868 1950 1956 1990 1998 2126 2132 2164
    2170 2236 2242 2312 2318 2342 2348 2384 2390 2452 2458 2568 2576 2630 2636 2676 2682 2698 2704 2840 2846 2874 2880 2906 2912 3046 3052 3112
    3120 3144 3150 3172 3178 3204 3210 3300 3306 3472 3478 3518 3524 3548 3554 3602 3608 3634 3640 3678 3684 3740 3746 3884 3890 3926 3932 3972
    3978 4000 4006 4128 4134 4166 4172 4244 4250 4272 4278 4316 4322 4360 4366 4426 4432 4462 4472 5192 5200 5230 5236 5322 5328 5354 5360 5480
    5486 5504 5510 5536 5542 5564 5570 5592 5598 5610 5616 5630 5636 5656 5662 5806 5814 5832 5838 5880 5886 5908 5914 5930 5936 6046 6052 6776
    6780 7438 7442 8088 8092 8796 8882 8898 9692 9754 "

COUNT=1
HEAD=''
TAIL=''

function run_nanotts() {
    local count=$3
    local title="$4"
    while [ ${#count} -lt 3 ]; do count=0$count; done
    local file="$count-2600_vol.35-$title.mp3"
    echo "nanotts --speed $speed --volume $volume --pitch $pitch --voice $voice < <( head -$1 \"${FILENAME}\" | tail -$2; echo " . . . . . . " ) -c | lame -r -s 16 -m m -V 0 -b 56 --ta \"2600 Magazine\" --tl \"2600 Vol. 35\" --tn $count - \"$file\"" >/dev/stderr
          nanotts --speed $speed --volume $volume --pitch $pitch --voice $voice < <( head -$1 "${FILENAME}" | tail -$2; echo " . . . . . . " ) -c | lame -r -s 16 -m m -V 0 -b 56 --ta "2600 Magazine" --tl "2600 Vol. 35" --tn $count - "$file"
}

for sect in ${SECTIONS}; do
    echo $sect >/dev/stderr
    if [ -z "$TAIL" ]; then
        TAIL=$sect
    else
        HEAD=$sect
        let TAIL="$HEAD-$TAIL+1"

        echo "head -$HEAD "$FILENAME" | tail -$TAIL" >/dev/stderr
              head -$HEAD "$FILENAME" | tail -$TAIL
        echo >/dev/stderr;

        TITLE=`head -$HEAD "$FILENAME" | tail -$TAIL | head -1`

        run_nanotts $HEAD $TAIL ${COUNT} "${TITLE}"

        HEAD=''; TAIL=''
        let COUNT="$COUNT+1"

        sleep 3
    fi
done