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https://git.lyx.org/repos/lyx.git
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7335b3193b
This fixes #7887. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40674 a592a061-630c-0410-9148-cb99ea01b6c8
49 lines
1.8 KiB
R
49 lines
1.8 KiB
R
## This program is free software; you can redistribute it and/or
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## modify it under the terms of the GNU General Public License as
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## published by the Free Software Foundation; either version 2 of the
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## License, or (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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## General Public License for more details.
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## author Yihui Xie
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## knitr is an alternative package to Sweave, and has more features
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## and flexibility; see https://yihui.github.com/knitr
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## Rscript $$s/scripts/lyxknitr.R $$p$$i $$p$$o $$e $$r
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## $$p the path of the output (temp dir)
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## $$i the file name of the input Rnw
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## $$o the tex output
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## $$r path to the original input file (the lyx document)
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## $$e encoding (e.g. 'UTF-8')
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library(knitr)
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.cmdargs = commandArgs(TRUE)
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.orig.enc = getOption("encoding")
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options(encoding = .cmdargs[3])
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## the working directory is the same with the original .lyx file; you
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## can put your data files there and functions like read.table() can
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## work correctly without specifying the full path
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setwd(.cmdargs[4])
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## copy the Rnw file to the current working directory if it does not exist
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.tmp.file = tempfile(); .rnw.file = basename(.cmdargs[1])
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.rnw.exists = file.exists(.rnw.file)
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if (.rnw.exists) file.rename(.rnw.file, .tmp.file)
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file.copy(.cmdargs[1], '.')
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## run knit() to get .tex or .R
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knit(.rnw.file, tangle = 'tangle' %in% .cmdargs)
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setwd(.cmdargs[4])
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## remove the copied .Rnw if it did not exist, otherwise move the original one back
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if (.rnw.exists) file.rename(.tmp.file, .rnw.file) else unlink(.rnw.file)
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file.rename(basename(.cmdargs[2]), .cmdargs[2]) # move .tex to the temp dir
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rm(.tmp.file, .rnw.file, .rnw.exists) # clean up these variables
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