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Use grep -E instead of expr
expr was printing `expr: warning: '^.*[<>"]': using '^' as the first character of a basic regular expression is not portable;`
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@ -169,7 +169,7 @@ _clean_email_header() {
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# email
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_email_has_display_name() {
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_email="$1"
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expr "$_email" : '^.*[<>"]' >/dev/null
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echo "$_email" | grep -q -E '^.*[<>"]'
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}
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##
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@ -249,7 +249,7 @@ _mime_encoded_word() {
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_text="$1"
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# (regex character ranges like [a-z] can be locale-dependent; enumerate ASCII chars to avoid that)
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_ascii='] $`"'"[!#%&'()*+,./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ~^_abcdefghijklmnopqrstuvwxyz{|}~-"
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if expr "$_text" : "^.*[^$_ascii]" >/dev/null; then
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if echo "$_text" | grep -q -E "^.*[^$_ascii]"; then
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# At least one non-ASCII char; convert entire thing to encoded word
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printf "%s" "=?UTF-8?B?$(printf "%s" "$_text" | _base64)?="
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else
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