seq: improve error handling for invalid -f values #7032
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Improve the error message produced by `seq` when given invalid format
specifiers for the `-f` option. Before this commit:
$ seq -f "%" 1
seq: %: invalid conversion specification
$ seq -f "%g%" 1
seq: %: invalid conversion specification
After this commit:
$ seq -f "%" 1
seq: format '%' ends in %
$ seq -f "%g%" 1
seq: format '%g%' has too many % directives
This matches the behavior of GNU `seq`.
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GNU testsuite comparison: |
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well done :) |
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Improve the error message produced by
seqwhen given invalid format specifiers for the-foption. Before this commit:After this commit:
This matches the behavior of GNU
seq.