path: don't add directories to PATH if they don't exist
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@ -13,6 +13,7 @@
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# Add custom bin dirs to PATH if they exist and are not already in PATH.
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while read -r dir; do
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[ -d "$dir" ] || continue # skip if directory doesn't exist
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case ":${PATH:=$dir}:" in
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*:"$dir":*) ;; # already in PATH -> ignore
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*) PATH="$dir:$PATH" ;; # not yet in PATH -> prepend it
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@ -32,6 +33,7 @@ export PATH
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# available.
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command -v manpath >/dev/null 2>&1 && MANPATH="$(unset MANPATH; manpath)"
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while read -r dir; do
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[ -d "$dir" ] || continue # skip if directory doesn't exist
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case ":${MANPATH:=$dir}:" in
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*:"$dir":*) ;; # already in MANPATH -> ignore
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*) MANPATH="$dir:$MANPATH" ;; # not yet in MANPATH -> prepend it
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