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<div data-externalstyle="false" dir="ltr" style="font-family: 'Calibri', 'Segoe UI', 'Meiryo', 'Microsoft YaHei UI', 'Microsoft JhengHei UI', 'Malgun Gothic', 'sans-serif';font-size:12pt;"><div>Hi All,</div><div><br></div><div>I have been working on creating a Haskell replacement for the perl script ghc-split.</div><div><br></div><div>The issue I need some advice on is that the perl script is 280 SLOC primarily because of the use of RegExpr.</div><div>The problem I have is that It seems i’m limited to only packages that are available already because GHC needs them (since it seems to compile using the in-place cabal and pkg list, am I correct here?).</div><div><br></div><div>So I see my options as follows:</div><div><br></div><ol style="padding-top: 0px; padding-bottom: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: decimal;"><li style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'><div>Inline one of the regexp libraries, e.g. pcre-light</div></li><li style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'><div>Create my own string matching functions (possibly a simple DFA and encode the rexexpr into that)</div></li><li style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'><div>Use parsec (which I think is available as part of the ghc build no?)</div></li></ol><div style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'><br></div><div style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'>Does anyone have an idea on what the best approach would be?</div><div style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'><br></div><div style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'>The regexpr don’t seem to use any perl extensions, so normal posix regex would be fine, I thought Base contained a regexp component. But it seems that’s now a separate library?</div><div style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'><br></div><div style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'>Kind Regards,</div><div style='color: rgb(0, 0, 0); font-family: "Color Emoji", "Calibri", "Segoe UI", "Meiryo", "Microsoft YaHei UI", "Microsoft JhengHei UI", "Malgun Gothic", "sans-serif"; font-size: 16px;'>Tamar</div></div>
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