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1 " Vim support file to detect file types in scripts
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2 "
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3 " Maintainer: Bram Moolenaar <Bram@vim.org>
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4 " Last change: 2007 Apr 29
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5
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6 " This file is called by an autocommand for every file that has just been
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7 " loaded into a buffer. It checks if the type of file can be recognized by
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8 " the file contents. The autocommand is in $VIMRUNTIME/filetype.vim.
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9
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10
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11 " Only do the rest when the FileType autocommand has not been triggered yet.
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12 if did_filetype()
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13 finish
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14 endif
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15
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16 " Load the user defined scripts file first
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17 " Only do this when the FileType autocommand has not been triggered yet
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18 if exists("myscriptsfile") && filereadable(expand(myscriptsfile))
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19 execute "source " . myscriptsfile
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20 if did_filetype()
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21 finish
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22 endif
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23 endif
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24
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25 " Line continuation is used here, remove 'C' from 'cpoptions'
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26 let s:cpo_save = &cpo
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27 set cpo&vim
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28
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29 let s:line1 = getline(1)
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30
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31 if s:line1 =~ "^#!"
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32 " A script that starts with "#!".
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33
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34 " Check for a line like "#!/usr/bin/env VAR=val bash". Turn it into
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35 " "#!/usr/bin/bash" to make matching easier.
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36 if s:line1 =~ '^#!\s*\S*\<env\s'
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37 let s:line1 = substitute(s:line1, '\S\+=\S\+', '', 'g')
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38 let s:line1 = substitute(s:line1, '\<env\s\+', '', '')
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39 endif
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40
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41 " Get the program name.
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42 " Only accept spaces in PC style paths: "#!c:/program files/perl [args]".
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43 " If the word env is used, use the first word after the space:
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44 " "#!/usr/bin/env perl [path/args]"
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45 " If there is no path use the first word: "#!perl [path/args]".
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46 " Otherwise get the last word after a slash: "#!/usr/bin/perl [path/args]".
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47 if s:line1 =~ '^#!\s*\a:[/\\]'
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48 let s:name = substitute(s:line1, '^#!.*[/\\]\(\i\+\).*', '\1', '')
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49 elseif s:line1 =~ '^#!.*\<env\>'
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50 let s:name = substitute(s:line1, '^#!.*\<env\>\s\+\(\i\+\).*', '\1', '')
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51 elseif s:line1 =~ '^#!\s*[^/\\ ]*\>\([^/\\]\|$\)'
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52 let s:name = substitute(s:line1, '^#!\s*\([^/\\ ]*\>\).*', '\1', '')
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53 else
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54 let s:name = substitute(s:line1, '^#!\s*\S*[/\\]\(\i\+\).*', '\1', '')
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55 endif
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56
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57 " tcl scripts may have #!/bin/sh in the first line and "exec wish" in the
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58 " third line. Suggested by Steven Atkinson.
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59 if getline(3) =~ '^exec wish'
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60 let s:name = 'wish'
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61 endif
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62
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63 " Bourne-like shell scripts: bash bash2 ksh ksh93 sh
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64 if s:name =~ '^\(bash\d*\|\|ksh\d*\|sh\)\>'
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65 call SetFileTypeSH(s:line1) " defined in filetype.vim
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66
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67 " csh scripts
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68 elseif s:name =~ '^csh\>'
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69 if exists("g:filetype_csh")
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70 call SetFileTypeShell(g:filetype_csh)
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71 else
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72 call SetFileTypeShell("csh")
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73 endif
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74
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75 " tcsh scripts
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76 elseif s:name =~ '^tcsh\>'
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77 call SetFileTypeShell("tcsh")
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78
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79 " Z shell scripts
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80 elseif s:name =~ '^zsh\>'
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81 set ft=zsh
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82
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83 " TCL scripts
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84 elseif s:name =~ '^\(tclsh\|wish\|expectk\|itclsh\|itkwish\)\>'
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85 set ft=tcl
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86
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87 " Expect scripts
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88 elseif s:name =~ '^expect\>'
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89 set ft=expect
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90
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91 " Gnuplot scripts
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92 elseif s:name =~ '^gnuplot\>'
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93 set ft=gnuplot
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94
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95 " Makefiles
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96 elseif s:name =~ 'make\>'
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97 set ft=make
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98
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99 " Lua
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100 elseif s:name =~ 'lua'
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101 set ft=lua
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102
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103 " Perl
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104 elseif s:name =~ 'perl'
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105 set ft=perl
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106
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107 " PHP
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108 elseif s:name =~ 'php'
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109 set ft=php
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110
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111 " Python
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112 elseif s:name =~ 'python'
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113 set ft=python
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114
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115 " Groovy
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116 elseif s:name =~ '^groovy\>'
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117 set ft=groovy
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118
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119 " Ruby
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120 elseif s:name =~ 'ruby'
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121 set ft=ruby
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122
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123 " BC calculator
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124 elseif s:name =~ '^bc\>'
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125 set ft=bc
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126
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127 " sed
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128 elseif s:name =~ 'sed\>'
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129 set ft=sed
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130
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131 " OCaml-scripts
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132 elseif s:name =~ 'ocaml'
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133 set ft=ocaml
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134
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135 " Awk scripts
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136 elseif s:name =~ 'awk\>'
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137 set ft=awk
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138
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139 " Website MetaLanguage
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140 elseif s:name =~ 'wml'
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141 set ft=wml
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142
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143 " Scheme scripts
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144 elseif s:name =~ 'scheme'
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145 set ft=scheme
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146
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147 " CFEngine scripts
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148 elseif s:name =~ 'cfengine'
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149 set ft=cfengine
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150
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151 endif
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152 unlet s:name
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153
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154 else
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155 " File does not start with "#!".
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156
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157 let s:line2 = getline(2)
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158 let s:line3 = getline(3)
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159 let s:line4 = getline(4)
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160 let s:line5 = getline(5)
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161
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162 " Bourne-like shell scripts: sh ksh bash bash2
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163 if s:line1 =~ '^:$'
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164 call SetFileTypeSH(s:line1) " defined in filetype.vim
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165
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166 " Z shell scripts
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167 elseif s:line1 =~ '^#compdef\>' || s:line1 =~ '^#autoload\>'
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168 set ft=zsh
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169
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170 " ELM Mail files
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171 elseif s:line1 =~ '^From [a-zA-Z][a-zA-Z_0-9\.=-]*\(@[^ ]*\)\= .*[12][09]\d\d$'
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172 set ft=mail
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173
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174 " Mason
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175 elseif s:line1 =~ '^<[%&].*>'
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176 set ft=mason
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177
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178 " Vim scripts (must have '" vim' as the first line to trigger this)
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179 elseif s:line1 =~ '^" *[vV]im$'
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180 set ft=vim
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181
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182 " MOO
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183 elseif s:line1 =~ '^\*\* LambdaMOO Database, Format Version \%([1-3]\>\)\@!\d\+ \*\*$'
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184 set ft=moo
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185
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186 " Diff file:
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187 " - "diff" in first line (context diff)
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188 " - "Only in " in first line
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189 " - "--- " in first line and "+++ " in second line (unified diff).
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190 " - "*** " in first line and "--- " in second line (context diff).
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191 " - "# It was generated by makepatch " in the second line (makepatch diff).
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192 " - "Index: <filename>" in the first line (CVS file)
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193 " - "=== ", line of "=", "---", "+++ " (SVK diff)
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194 " - "=== ", "--- ", "+++ " (bzr diff, common case)
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195 " - "=== (removed|added|renamed|modified)" (bzr diff, alternative)
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196 elseif s:line1 =~ '^\(diff\>\|Only in \|\d\+\(,\d\+\)\=[cda]\d\+\>\|# It was generated by makepatch \|Index:\s\+\f\+\r\=$\|===== \f\+ \d\+\.\d\+ vs edited\|==== //\f\+#\d\+\)'
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197 \ || (s:line1 =~ '^--- ' && s:line2 =~ '^+++ ')
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198 \ || (s:line1 =~ '^\* looking for ' && s:line2 =~ '^\* comparing to ')
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199 \ || (s:line1 =~ '^\*\*\* ' && s:line2 =~ '^--- ')
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200 \ || (s:line1 =~ '^=== ' && ((s:line2 =~ '^=\{66\}' && s:line3 =~ '^--- ' && s:line4 =~ '^+++') || (s:line2 =~ '^--- ' && s:line3 =~ '^+++ ')))
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201 \ || (s:line1 =~ '^=== \(removed\|added\|renamed\|modified\)')
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202 set ft=diff
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203
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204 " PostScript Files (must have %!PS as the first line, like a2ps output)
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205 elseif s:line1 =~ '^%![ \t]*PS'
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206 set ft=postscr
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207
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208 " M4 scripts: Guess there is a line that starts with "dnl".
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209 elseif s:line1 =~ '^\s*dnl\>'
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210 \ || s:line2 =~ '^\s*dnl\>'
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211 \ || s:line3 =~ '^\s*dnl\>'
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212 \ || s:line4 =~ '^\s*dnl\>'
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213 \ || s:line5 =~ '^\s*dnl\>'
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214 set ft=m4
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215
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216 " AmigaDos scripts
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217 elseif $TERM == "amiga"
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218 \ && (s:line1 =~ "^;" || s:line1 =~ '^\.[bB][rR][aA]')
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219 set ft=amiga
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220
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221 " SiCAD scripts (must have procn or procd as the first line to trigger this)
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222 elseif s:line1 =~? '^ *proc[nd] *$'
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223 set ft=sicad
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224
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225 " Purify log files start with "**** Purify"
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226 elseif s:line1 =~ '^\*\*\*\* Purify'
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227 set ft=purifylog
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228
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229 " XML
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230 elseif s:line1 =~ '<?\s*xml.*?>'
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231 set ft=xml
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232
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233 " XHTML (e.g.: PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN")
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234 elseif s:line1 =~ '\<DTD\s\+XHTML\s'
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235 set ft=xhtml
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236
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237 " XXD output
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238 elseif s:line1 =~ '^\x\{7}: \x\{2} \=\x\{2} \=\x\{2} \=\x\{2} '
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239 set ft=xxd
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240
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241 " RCS/CVS log output
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242 elseif s:line1 =~ '^RCS file:' || s:line2 =~ '^RCS file:'
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243 set ft=rcslog
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244
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245 " CVS commit
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246 elseif s:line2 =~ '^CVS:' || getline("$") =~ '^CVS: '
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247 set ft=cvs
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248
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249 " Prescribe
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250 elseif s:line1 =~ '^!R!'
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251 set ft=prescribe
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252
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253 " Send-pr
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254 elseif s:line1 =~ '^SEND-PR:'
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255 set ft=sendpr
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256
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257 " SNNS files
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258 elseif s:line1 =~ '^SNNS network definition file'
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259 set ft=snnsnet
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260 elseif s:line1 =~ '^SNNS pattern definition file'
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261 set ft=snnspat
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262 elseif s:line1 =~ '^SNNS result file'
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263 set ft=snnsres
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264
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265 " Virata
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266 elseif s:line1 =~ '^%.\{-}[Vv]irata'
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267 \ || s:line2 =~ '^%.\{-}[Vv]irata'
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268 \ || s:line3 =~ '^%.\{-}[Vv]irata'
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269 \ || s:line4 =~ '^%.\{-}[Vv]irata'
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270 \ || s:line5 =~ '^%.\{-}[Vv]irata'
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271 set ft=virata
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272
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273 " Strace
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274 elseif s:line1 =~ '^[0-9]* *execve('
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275 set ft=strace
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276
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277 " VSE JCL
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278 elseif s:line1 =~ '^\* $$ JOB\>' || s:line1 =~ '^// *JOB\>'
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279 set ft=vsejcl
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280
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281 " TAK and SINDA
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282 elseif s:line4 =~ 'K & K Associates' || s:line2 =~ 'TAK 2000'
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283 set ft=takout
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284 elseif s:line3 =~ 'S Y S T E M S I M P R O V E D '
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285 set ft=sindaout
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286 elseif getline(6) =~ 'Run Date: '
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287 set ft=takcmp
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288 elseif getline(9) =~ 'Node File 1'
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289 set ft=sindacmp
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290
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291 " DNS zone files
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292 elseif s:line1.s:line2.s:line3.s:line4 =~ '^; <<>> DiG [0-9.]\+ <<>>\|BIND.*named\|$ORIGIN\|$TTL\|IN\s\+SOA'
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293 set ft=bindzone
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294
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295 " BAAN
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296 elseif s:line1 =~ '|\*\{1,80}' && s:line2 =~ 'VRC '
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297 \ || s:line2 =~ '|\*\{1,80}' && s:line3 =~ 'VRC '
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298 set ft=baan
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299
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300 " Valgrind
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301 elseif s:line1 =~ '^==\d\+== valgrind' || s:line3 =~ '^==\d\+== Using valgrind'
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302 set ft=valgrind
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303
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304 " Renderman Interface Bytestream
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305 elseif s:line1 =~ '^##RenderMan'
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306 set ft=rib
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307
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308 " Scheme scripts
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309 elseif s:line1 =~ 'exec\s\+\S*scheme' || s:line2 =~ 'exec\s\+\S*scheme'
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310 set ft=scheme
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311
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312 " CVS diff
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313 else
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314 let lnum = 1
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315 while getline(lnum) =~ "^? " && lnum < line("$")
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316 let lnum = lnum + 1
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317 endwhile
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318 if getline(lnum) =~ '^Index:\s\+\f\+$'
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319 set ft=diff
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320
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321 " locale input files: Formal Definitions of Cultural Conventions
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322 " filename must be like en_US, fr_FR@euro or en_US.UTF-8
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323 elseif expand("%") =~ '\a\a_\a\a\($\|[.@]\)\|i18n$\|POSIX$\|translit_'
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324 let lnum = 1
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325 while lnum < 100 && lnum < line("$")
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326 if getline(lnum) =~ '^LC_\(IDENTIFICATION\|CTYPE\|COLLATE\|MONETARY\|NUMERIC\|TIME\|MESSAGES\|PAPER\|TELEPHONE\|MEASUREMENT\|NAME\|ADDRESS\)$'
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327 setf fdcc
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328 break
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329 endif
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330 let lnum = lnum + 1
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331 endwhile
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332 endif
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333
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334 endif
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335
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336 unlet s:line2 s:line3 s:line4 s:line5
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337
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338 endif
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339
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340 " Restore 'cpoptions'
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341 let &cpo = s:cpo_save
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342
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343 unlet s:cpo_save s:line1
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