19 lines
418 B
Bash
Executable File
19 lines
418 B
Bash
Executable File
#!/bin/bash
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#
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# ex1.bash: Advent2020 game, day 2/game 1
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CMD=${0##*/}
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declare -i beg end num found=0 nlines=0
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IFS=$':- \t'
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while read -r beg end char str; do
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stripped=${str//[^$char]} # keep only specified char
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((num = ${#stripped})) # occurences of this char
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((num >= beg && num <= end && found++)) # match ?
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((nlines++))
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done
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printf "${CMD} : lines: %d matched:%d\n" "$nlines" "$found"
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exit 0
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