shell script recipe

shell-recipe.md

1. loop file with pattern

lines=$(find "$logdir" -name '*.log' -print)

while read line
do
    echo "processing \"$line\""
done <<< "$(echo -e "$lines")"

2. get abspath, dirpath and basename

abspath="$(cd "$(dirname "$file")" && pwd)/$(basename "$file")"
dirpath=$(dirname "$abspath")
basename=$(basename "$abspath" ".log")

3. check substring

string='My long string'
if [[ $string == *"My long"* ]]; then
  echo "It's there!"
fi

4. bold

bold=$(tput bold)
normal=$(tput sgr0)

echo "${bold}This is bold {normal} and back to normal"