Comparing Expressions with tcsh
As stated earlier, the method for comparing expressions in tcsh
is different from the method used under pdksh
and bash
. The comparison of expression demonstrated in this section uses the syntax necessary for the tcsh
shell environment.
String Comparison
You can use the following operators to compare two string expressions:
==—To compare whether two strings are equal
!=—To compare whether two strings are not equal
The following examples compare two strings, string1
and string2
, in the shell program compare1
:
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