fstrcmp - fuzzy comparison of strings
25. 11. 2021The fstrcmp command is used to make fuzzy comparisons between strings. The “edit distance” between the strings is printed, with 0.0 meaning the strings are utterly un-alike, and 1.0 meaning the strings are identical.
fstrcmp a b
0.0000
fstrcmp ab b
0.6667
fstrcmp ab bb
0.5000
fstrcmp abb bbb
0.6667
var1="Yes i know it for sure"
var2="Yes i know is for real"
fstrcmp "$var1" "$var2"
0.8636
var2="for real"
fstrcmp "$var1" "$var2"
0.4000
fstrcmp "this is a test" "this is a test!"
0.9655
fstrcmp "fuzzy wuzzy was a bear" "wuzzy fuzzy was a bear"
0.9091
fstrcmp "Four score and seven years ago" "Four_score_and_seven_years_ago"
0.8333
fstrcmp "Four score and seven years ago" "Four_Score_And_Seven_Years_Ago"
0.6667
a="Four score and seven years ago"
b="Four_Score_And_Seven_Years_Ago"
fstrcmp "${a,,}" "${b,,}" # both to lowercase
0.8333
fstrcmp "a b c" "c b a"
0.6000
The utility is in Debian repos.
