Shell Programming and Scripting

#!/bin/bash
DIR=/home/cmccabe/Desktop/NGS/API
line_no=$(ls | awk -F . '{print $NF}' | sort | uniq -c | awk '{print $2,$1}') # count folder type and store as variable
echo >> $HOME/virus-scan.log"The folders detected are:
$line_no"

# Get rid of old log file
rm $HOME/virus-scan.log 2> /dev/null
 
while read FILE in $DIR;
do
     # check file length is nonzero otherwise commands may be repeated
     if [ -s $FILE ]; then
          date > $HOME/virus-scan.log
          clamscan -r $FILE >> $HOME/virus-scan.log
     else "echo nothing detected by scan"
     fi
done

#!/bin/bash
DIR=/home/cmccabe/Desktop/NGS/API
log=$HOME/virus-scan.log

{
echo "The extensions are"
ls | awk -F'\.' 'NF>1 {ext[$NF]++} END {for (i in ext) print ext[i],i}'
} > $log

scanned=0
for FILE in "$DIR"/*
do
     # check file length is nonzero otherwise commands may be repeated
     if [ -s "$FILE" ]; then
          {
          date
          clamscan -r "$FILE"
          } >> $log
          ((scanned++))
     fi
done
[ $scanned -eq 0 ] && echo "nothing detected by scan" >> $log