view.sh (2067B)
1 #!/bin/bash 2 3 # structure 4 reset="$(tput sgr0)" 5 idformat="$(tput bold)" 6 keyformat="$(tput setaf 3)" 7 valueformat="$(tput setaf 7)" 8 partformat="$(tput setaf 3)" 9 alertformat="$(tput setaf 1; tput bold; tput blink;)" 10 11 # body text 12 textformat="$reset" 13 quoteformat="$(tput setaf 6)" 14 headerformat="$(tput setaf 8)" 15 16 italicformat="$(tput sitm)" 17 italicreset="$(tput ritm)" 18 boldformat="$(tput bold)" 19 boldreset="$(echo -ne "\033[22m")" 20 underlineformat="$(tput smul)" 21 underlinereset="$(tput rmul)" 22 reverseformat="$(tput rev)" 23 reversereset="$(echo -ne "\033[27m")" 24 25 state="id" 26 27 function formatheader { 28 line="$1" 29 if [ "$line" = "" ] || [ -z "$line" ]; 30 then 31 printf "\n" 32 state="body" 33 return 34 fi 35 36 # GNU sed sucks at UTF-8 37 key=$(echo "$line" | perl -pe 's/: .*//') 38 value=$(echo "$line" | perl -pe 's/[A-Za-z0-9-]*: //') 39 40 uvformat="${valueformat}" 41 if [ "$key" = "X-Mailer" ]; 42 then 43 case "$value" in 44 "Apple Mail"*|"iPhone Mail"*) 45 uvformat="${alertformat}" 46 ;; 47 esac 48 fi 49 50 printf "${keyformat}%s: ${reset}${uvformat}%s${reset}\n" \ 51 "$key" "$value" 52 } 53 54 IFS="\\" 55 while read -r line; 56 do 57 if [ "$line" = " " ]; 58 then 59 printf " \n" 60 state="id" 61 continue 62 fi 63 64 case $state in 65 id) 66 te=$(echo -n "$line" | grep "^---") 67 if [ -n "$te" ]; 68 then 69 printf "${idformat}%s${reset}\n" "$line" 70 else 71 formatheader "$line" 72 fi 73 state="header" 74 ;; 75 header) 76 formatheader "$line" 77 ;; 78 body) 79 line=$(printf "%s" "$line" | sed 's///g') 80 case $line in 81 --MIME-Part*) 82 printf "${partformat}%s${reset}\n" "$line" 83 ;; 84 --*) 85 printf "${headerformat}%s${reset}\n" "$line" 86 ;; 87 ++*) 88 printf "${headerformat}%s${reset}\n" "$line" 89 ;; 90 \>*|\ \>*) 91 printf "${quoteformat}%s${reset}\n" "$line" 92 ;; 93 *) 94 line=$(printf "%s" "$line" \ 95 | sed "s,\(\*[^ \t\v\r\f]*\*\),${boldformat}\1${boldreset},g" \ 96 | sed "s,\(\/[^ \t\v\r\f]*\/\),${italicformat}\1${italicreset},g" \ 97 | sed "s,\(_[^ \t\v\r\f]*_\),${underlineformat}\1${underlinereset},g") 98 printf "${textformat}%s${reset}\n" "$line" 99 ;; 100 esac 101 ;; 102 *) 103 echo "unknown state" 104 ;; 105 esac 106 done 107