Find unique contributors to a Git repo

countcontribs.bsh

#!/bin/bash

#Ensure we have the quantity specified on the CLI
if [ -z "$1" ]; then ARG_ERR=ERR; fi
if [ -n "$ARG_ERR" ];
then
    echo "Usage: <portionofcommiter>"
    exit
fi

# Create an output directory if it doesn't exist
if [ ! -d output ]; then mkdir output;fi
    
# Delete existing count files
if [ -e output/contributorlines.$1.* ]; then rm output/contributorlines.$1.* ;fi

for f in book/chapter.*.asc; do git annotate $f | cut -c 11-15 | grep "$1" >> output/contributorlines.$1.rawcount; done;
cat output/contributorlines.$1.rawcount | uniq -c >> output/contributorlines.$1.count

rm output/contributorlines.$1.rawcount
cat output/contributorlines.$1.count

countcontribsall.bsh

#!/bin/bash

#Remove all existing files
rm output/contributornames.*

#Loop through all chapters
for f in book/chapter.*.asc; do git annotate $f | cut -c 11-15 | sort | uniq >> output/contributornames.raw; done
#Sort the combined results, trim strings, and unique them again
sort output/contributornames.raw | sed 's/ //g' | uniq > output/contributornames.processed

#Show the result file
echo Contributors:
cat output/contributornames.processed

#Find the line counts for each
cat output/contributornames.processed | while read line; do 
    countcontribs $line
done