Bash script to zero out all the log files in `~/log`. Useful for Rails apps.

null-logs

#!/usr/bin/env bash
if [[ -d log ]] ; then
  set -- log
  while (( $# > 0 )) ; do
    file="$1"
    shift
    if [[ -f $file && -s $file ]] ; then
      case "$file" in
        *.log|*.txt|*.lst)
          echo " $file"
          cat /dev/null >$file
          ;;
      esac
    elif [[ -d $file ]]; then
      set -- "$@" $file/*
    fi
  done
else
  echo "No log directory"
fi
exit