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51 lines
945 B

#!/bin/bash
while getopts "clr" opt; do
case $opt in
c) exclude_comments=true;;
l) show_length=true;;
r) show_recap=true;;
*) echo "Usage: $0 [-c] [-l] [-r] [file1] [file2] ..." >&2
exit 1;;
esac
done
shift $((OPTIND-1))
if [[ $# -eq 0 ]]; then
set -- *
fi
line_count=0
char_count=0
for file in "$@"; do
if [[ ! -e $file ]]; then
echo "$0: $file: No such file or directory" >&2
continue
fi
line_num=0
while read -r line; do
line_num=$((line_num+1))
if [[ $exclude_comments && $line == \#* ]]; then
continue
fi
if [[ $show_length ]]; then
echo "$line_num ($(( ${#line} ))): $line"
else
echo "$line_num: $line"
fi
char_count=$((char_count+${#line}))
done < "$file"
line_count=$((line_count+line_num))
done
if [[ $show_recap ]]; then
echo "Total: $line_count lines, $char_count characters"
fi
if [[ $line_count -eq 0 ]]; then
exit 1
fi