15 lines
354 B
Plaintext
15 lines
354 B
Plaintext
procedure main(arglist)
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write("Usage: substring <string> <first position> <second position> <single character> <substring>")
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s := \arglist[1] | "aardvarks"
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n := \arglist[2] | 5
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m := \arglist[3] | 4
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c := \arglist[4] | "d"
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ss := \arglist[5] | "ard"
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write( s[n+:m] )
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write( s[n:0] )
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write( s[1:-1] )
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write( s[find(c,s)+:m] )
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write( s[find(ss,s)+:m] )
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end
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