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string_operations

132 Treffer, Zuletzt geändert: vor 8 Wochen

'.*' </code> stringZ=abcABC123ABCabc <code> echo ${#stringZ} # 15 echo `expr length $stringZ` # 15 echo `expr "$stringZ" : '.*'` # 15 Length of Matching Substring at ... sion. stringZ=abcABC123ABCabc # |------| echo `expr match "$stringZ" 'abc[A-Z]*.2'` # 8 echo

test

31 Treffer, Zuletzt geändert: vor 8 Wochen

variable. if [ -z "$String" ] then echo "\$String is null." else echo "\$String is NOT null." fi # $String is null. </code> -... integer characters. # Caution advised, however. echo if [ "$a" -ne "$b" ] then echo "$a is not equal to $b" echo "(arithmetic comparison)" fi echo if