The command 'nl -b n' should output no line numbers, just some spaces as a placeholder followed by the actual file content. Add tests for line numbering by cat and nl. The correct results were obtained from coreutils. function old new delta print_numbered_lines 152 157 +5 .rodata 182456 182453 -3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 5/-3) Total: 2 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
		
			
				
	
	
		
			40 lines
		
	
	
		
			587 B
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			587 B
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/sh
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# Copyright 2021 by Ron Yorston
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# Licensed under GPLv2, see file LICENSE in this source tree.
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. ./testing.sh
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# testing "test name" "commands" "expected result" "file input" "stdin"
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testing "nl numbers all lines" \
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	"nl -b a input" \
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"\
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     1	line 1
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     2	
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     3	line 3
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" \
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	"line 1\n\nline 3\n" \
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	""
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testing "nl numbers non-empty lines" \
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	"nl -b t input" \
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"\
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     1	line 1
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     2	line 3
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" \
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	"line 1\n\nline 3\n" \
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	""
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testing "nl numbers no lines" \
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	"nl -b n input" \
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"\
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       line 1
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       line 3
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" \
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	"line 1\n\nline 3\n" \
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	""
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exit $FAILCOUNT
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