You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.1 KiB
42 lines
1.1 KiB
2 years ago
|
#!/usr/bin/env sh
|
||
|
|
|
||
|
|
# This magical spell reveals the maximum length of a list of strings.
|
||
|
|
# Accepts either a list ("word1 word2 word3" or an array of strings
|
||
|
|
# Usage: cast_max_length string1 string2 ...
|
||
|
|
|
||
|
|
# Define the function to calculate the maximum length of the given strings
|
||
|
|
max_length() {
|
||
|
|
if [ -z "$1" ]; then
|
||
|
|
echo "No arguments passed to max_length"
|
||
|
|
return 1
|
||
|
|
fi
|
||
|
|
if [[ "$1" == *" "* ]]; then
|
||
|
|
# Argument is a string containing multiple words
|
||
|
|
longest=0
|
||
|
|
for arg in $1; do
|
||
|
|
arg_length=${#arg}
|
||
|
|
if [ $arg_length -gt $longest ]; then
|
||
|
|
longest=$arg_length
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
else
|
||
|
|
# Argument is an array
|
||
|
|
longest=0
|
||
|
|
for arg in "${!1}"; do
|
||
|
|
arg_length=${#arg}
|
||
|
|
if [ $arg_length -gt $longest ]; then
|
||
|
|
longest=$arg_length
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
fi
|
||
|
|
if [ "$2" == "-v" ]; then
|
||
|
|
echo "Maximum length: $longest"
|
||
|
|
fi
|
||
|
|
echo $longest
|
||
|
|
}
|
||
|
|
|
||
|
|
# Check if the script is being called from another script
|
||
|
|
if [ "${BASH_SOURCE[0]}" = "$0" ]; then
|
||
|
|
# If not, call the function and pass it the command line arguments
|
||
|
|
max_length "$@"
|
||
|
|
fi
|