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fix(macos): print usage for man-preview
with no args (#12147)
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@ -224,6 +224,8 @@ function quick-look() {
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}
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function man-preview() {
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[[ $# -eq 0 ]] && >&2 echo "Usage: $0 command1 [command2 ...]" && return 1
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local page
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for page in "${(@f)"$(man -w $@)"}"; do
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command mandoc -Tpdf $page | open -f -a Preview
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