19 lines
298 B
Sed
19 lines
298 B
Sed
#!/bin/sed -f
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/../! b
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# Reverse a line. Begin embedding the line between two newlines
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s/^.*$/\
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&\
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/
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# Move first character at the end. The regexp matches until
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# there are zero or one characters between the markers
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tx
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:x
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s/\(\n.\)\(.*\)\(.\n\)/\3\2\1/
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tx
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# Remove the newline markers
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s/\n//g
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