Saturday 14 October 2023
YesNo ¶
1read -p "Do you want to proceed? (y/n) " yn
2
3case $yn in
4 [yY] ) echo ok, we will proceed;
5 break;;
6 [nN] ) echo exiting...;
7 exit;;
8 * ) echo invalid response;;
9esac
Yes ¶
1read -p "Do you want to proceed? (y/N) " yn
2
3if [[ $yn =~ [yY](es)* ]]
4then
5 echo proceed
6fi
Remove empty lines ¶
1command-here | tr -d '\n'
String checks ¶
1if [ -n "$var" ]; then # if string not empty
2if [ -z "$var" ]; then # if string is empty
For loop ¶
1authors=("author1" "author2" "author3")
2for i in ${authors[@]}
3do
4 echo $i
5done
String start with character ¶
1if [[ $var == c* ]]; then
2 echo "var starts with 'c'";
3fi