17 lines
476 B
Awk
17 lines
476 B
Awk
#!/usr/bin/awk -f
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BEGIN {
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# Demonstrate how to assign an empty string to a variable.
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a="";
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b="XYZ";
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print "a = ",a;
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print "b = ",b;
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print "length(a)=",length(a);
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print "length(b)=",length(b);
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# Demonstrate how to check that a string is empty.
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print "Is a empty ?",length(a)==0;
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print "Is a not empty ?",length(a)!=0;
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# Demonstrate how to check that a string is not empty.
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print "Is b empty ?",length(b)==0;
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print "Is b not empty ?",length(b)!=0;
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}
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