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1 " Vim tutor support file
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2 " Author: Eduardo F. Amatria <eferna1@platea.pntic.mec.es>
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3 " Last Change: 2007 Mar 01
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4
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5 " This small source file is used for detecting if a translation of the
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6 " tutor file exist, i.e., a tutor.xx file, where xx is the language.
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7 " If the translation does not exist, or no extension is given,
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8 " it defaults to the english version.
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9
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10 " It is invoked by the vimtutor shell script.
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11
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12 " 1. Build the extension of the file, if any:
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13 let s:ext = ""
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14 if strlen($xx) > 1
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15 let s:ext = "." . $xx
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16 else
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17 let s:lang = ""
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18 " Check that a potential value has at least two letters.
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19 " Ignore "1043" and "C".
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20 if exists("v:lang") && v:lang =~ '\a\a'
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21 let s:lang = v:lang
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22 elseif $LC_ALL =~ '\a\a'
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23 let s:lang = $LC_ALL
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24 elseif $LANG =~ '\a\a'
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25 let s:lang = $LANG
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26 endif
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27 if s:lang != ""
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28 " Remove "@euro" (ignoring case), it may be at the end
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29 let s:lang = substitute(s:lang, '\c@euro', '', '')
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30 " On MS-Windows it may be German_Germany.1252 or Polish_Poland.1250. How
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31 " about other languages?
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32 if s:lang =~ "German"
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33 let s:ext = ".de"
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34 elseif s:lang =~ "Polish"
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35 let s:ext = ".pl"
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36 elseif s:lang =~ "Slovak"
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37 let s:ext = ".sk"
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38 elseif s:lang =~ "Czech"
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39 let s:ext = ".cs"
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40 elseif s:lang =~ "Dutch"
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41 let s:ext = ".nl"
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42 else
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43 let s:ext = "." . strpart(s:lang, 0, 2)
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44 endif
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45 endif
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46 endif
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47
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48 " The japanese tutor is available in two encodings, guess which one to use
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49 " The "sjis" one is actually "cp932", it doesn't matter for this text.
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50 if s:ext =~? '\.ja'
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51 if &enc =~ "euc"
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52 let s:ext = ".ja.euc"
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53 elseif &enc =~ "utf-8$"
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54 let s:ext = ".ja.utf-8"
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55 else
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56 let s:ext = ".ja.sjis"
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57 endif
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58 endif
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59
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60 " The korean tutor is available in two encodings, guess which one to use
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61 if s:ext =~? '\.ko'
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62 if &enc =~ "utf-8$"
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63 let s:ext = ".ko.utf-8"
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64 else
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65 let s:ext = ".ko.euc"
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66 endif
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67 endif
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68
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69 " The Chinese tutor is available in two encodings, guess which one to use
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70 " This segment is from the above lines and modified by
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71 " Mendel L Chan <beos@turbolinux.com.cn> for Chinese vim tutorial
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72 if s:ext =~? '\.zh'
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73 if &enc =~ 'big5\|cp950'
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74 let s:ext = ".zh.big5"
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75 else
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76 let s:ext = ".zh.euc"
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77 endif
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78 endif
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79
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80 " The Polish tutor is available in two encodings, guess which one to use.
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81 if s:ext =~? '\.pl'
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82 if &enc =~ 1250
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83 let s:ext = ".pl.cp1250"
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84 elseif &enc =~ "utf-8$"
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85 let s:ext = ".pl.utf-8"
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86 endif
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87 endif
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88
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89 " The Turkish tutor is available in two encodings, guess which one to use
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90 if s:ext =~? '\.tr'
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91 if &enc == "utf-8"
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92 let s:ext = ".tr.utf-8"
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93 elseif &enc == "iso-8859-9"
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94 let s:ext = ".tr.iso9"
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95 endif
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96 endif
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97
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98 " The Greek tutor is available in three encodings, guess what to use.
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99 " We used ".gr" (Greece) instead of ".el" (Greek); accept both.
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100 if s:ext =~? '\.gr\|\.el'
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101 if &enc == "iso-8859-7"
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102 let s:ext = ".gr"
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103 elseif &enc == "utf-8"
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104 let s:ext = ".gr.utf-8"
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105 elseif &enc =~ 737
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106 let s:ext = ".gr.cp737"
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107 endif
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108 endif
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109
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110 " The Slovak tutor is available in three encodings, guess which one to use
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111 if s:ext =~? '\.sk'
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112 if &enc == 'utf-8'
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113 let s:ext = ".sk.utf-8"
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114 elseif &enc =~ 1250
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115 let s:ext = ".sk.cp1250"
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116 endif
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117 endif
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118
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119 " The Czech tutor is available in three encodings, guess which one to use
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120 if s:ext =~? '\.cs'
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121 if &enc == 'utf-8'
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122 let s:ext = ".cs.utf-8"
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123 elseif &enc =~ 1250
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124 let s:ext = ".cs.cp1250"
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125 endif
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126 endif
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127
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128 " The Russian tutor is available in three encodings, guess which one to use.
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129 if s:ext =~? '\.ru'
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130 if &enc == 'utf-8'
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131 let s:ext = '.ru.utf-8'
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132 elseif &enc =~ '1251'
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133 let s:ext = '.ru.cp1251'
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134 elseif &enc =~ 'koi8'
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135 let s:ext = '.ru'
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136 endif
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137 endif
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138
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139 " The Hungarian tutor is available in two encodings, guess which one to use.
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140 if s:ext =~? '\.hu'
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141 if &enc == 'utf-8'
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142 let s:ext = '.hu.utf-8'
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143 elseif &enc =~ 'iso-8859-2'
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144 let s:ext = '.hu'
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145 endif
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146 endif
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147
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148 " Somehow ".ge" (Germany) is sometimes used for ".de" (Deutsch).
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149 if s:ext =~? '\.ge'
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150 let s:ext = ".de"
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151 endif
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152
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153 if s:ext =~? '\.en'
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154 let s:ext = ""
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155 endif
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156
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157 " 2. Build the name of the file:
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158 let s:tutorfile = "/tutor/tutor"
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159 let s:tutorxx = $VIMRUNTIME . s:tutorfile . s:ext
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160
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161 " 3. Finding the file:
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162 if filereadable(s:tutorxx)
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163 let $TUTOR = s:tutorxx
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164 else
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165 let $TUTOR = $VIMRUNTIME . s:tutorfile
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166 echo "The file " . s:tutorxx . " does not exist.\n"
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167 echo "Copying English version: " . $TUTOR
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168 4sleep
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169 endif
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170
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171 " 4. Making the copy and exiting Vim:
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172 e $TUTOR
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173 wq! $TUTORCOPY
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