diff: options handling improvements #371
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* Usage string: '|' before -e was missing * Usage string: -q flag was missing * Error message for >2 arguments incorrectly stated that arguments were missing * When checking $opt_q we don't need to check @$diffs a second time * Detect incompatible options with set_diff_type() which only allows default type of OLD to be overridden * -U10 overrides -u and -C10 overrides -c (previously the final option wins the race) * Introduce a regular usage() function
github-actions
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Type: enhancement
briandfoy
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Dec 10, 2023
briandfoy
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Status: accepted
briandfoy
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Status: released
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perl diff a b # diff_type=OLD context=0
perl diff -c a b # diff_type=CONTEXT context=3
perl diff -C10 a b # diff_type=CONTEXT context=10
perl diff -e a b # diff_type=ED context=0
perl diff -f a b # diff_type=REVERSE_ED context=0
perl diff -q a b # diff_type=ED context=0 (exit early compared to -e)
perl diff -u a b # diff_type=UNIFIED context=3
perl diff -U10 a b # diff_type=UNIFIED context=10