How do you compare two strings in Fish (like "abc" == "def"
in other languages)?
So far, I've used a combination of contains
(turns out that contains "" $a
only returns 0
if $a
is the empty string, although that hasn't seemed to work for me in all cases) and switch
(with a case "what_i_want_to_match"
and a case '*'
). Neither of these methods seem particularly... correct, though.
Python strings equality can be checked using == operator or __eq__() function. Python strings are case sensitive, so these equality check methods are also case sensitive.
You can check the equality of two Strings in Java using the equals() method. This method compares this string to the specified object. The result is true if and only if the argument is not null and is a String object that represents the same sequence of characters as this object.
The algorithm to compare two strings is simple: Compare the first character of both strings. If the first character from the first string is greater (or less) than the other string's, then the first string is greater (or less) than the second. We're done.
string= compares two strings and is true if they are the same (corresponding characters are identical) but is false if they are not. The function equal calls string= if applied to two strings. The keyword arguments :start1 and :start2 are the places in the strings to start the comparison.
if [ "abc" != "def" ] echo "not equal" end not equal if [ "abc" = "def" ] echo "equal" end if [ "abc" = "abc" ] echo "equal" end equal
or one liner:
if [ "abc" = "abc" ]; echo "equal"; end equal
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