Dmitry Nefedov
2 years ago
committed by
GitHub
1 changed files with 0 additions and 62 deletions
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# This scripts counts the lines of code and comments in all JavaScript files. |
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# The copyright-headers are substracted. It uses the command line tool "cloc". |
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# You can either pass --loc, --comments or --percentage to show the respective values only. |
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# Exit the script when one command fails. |
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set -e |
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# Go to the repo root. |
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cd "$( cd "$( dirname "$0" )" && pwd )/.." || \ |
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{ echo "ERROR: Could not find the repo root."; exit 1; } |
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# Run cloc - this counts code lines, blank lines and comment lines for the specified extensions. |
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# We are only interested in the summary, therefore the tail -1 |
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# https://github.com/AlDanial/cloc#options- |
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SUMMARY="$(cloc --include-ext="psd1" --exclude-list-file=.clocignore . --md | tail -1)" |
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# The $SUMMARY is one line of a markdown table and looks like this: |
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# SUM:|101|3123|2238|10783 |
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# We use the following command to split it into an array. |
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IFS='|' read -r -a TOKENS <<< "$SUMMARY" |
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# Store the individual tokens for better readability. |
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NUMBER_OF_FILES=${TOKENS[1]} |
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COMMENT_LINES=${TOKENS[3]} |
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LINES_OF_CODE=${TOKENS[4]} |
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# To make the estimate of commented lines more accurate, we have to substract the |
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# copyright header which is included in each file. This header has the length of five lines. |
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# As cloc does not count inline comments, the overall estimate should be rather conservative. |
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COMMENT_LINES=$((COMMENT_LINES - 5 * NUMBER_OF_FILES)) |
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# Print all results if no arguments are given. |
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if [[ $# -eq 0 ]] ; then |
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awk -v a="$LINES_OF_CODE" \ |
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'BEGIN {printf "Lines of source code: %6.1fk\n", a/1000}' |
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awk -v a=$COMMENT_LINES \ |
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'BEGIN {printf "Lines of comments: %6.1fk\n", a/1000}' |
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awk -v a=$COMMENT_LINES -v b="$LINES_OF_CODE" \ |
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'BEGIN {printf "Comment Percentage: %6.1f%\n", 100*a/(a+b)}' |
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exit 0 |
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fi |
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# Show lines of code. |
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if [[ "$*" == *--loc* ]] |
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then |
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awk -v a="$LINES_OF_CODE" \ |
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'BEGIN {printf "%.1fk\n", a/1000}' |
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fi |
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# Show lines of comments. |
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if [[ "$*" == *--comments* ]] |
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then |
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awk -v a=$COMMENT_LINES \ |
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'BEGIN {printf "%.1fk\n", a/1000}' |
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fi |
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# Show precentage of comments. |
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if [[ "$*" == *--percentage* ]] |
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then |
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awk -v a=$COMMENT_LINES -v b="$LINES_OF_CODE" \ |
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'BEGIN {printf "%.1f\n", 100*a/(a+b)}' |
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fi |
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