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https://git.lyx.org/repos/lyx.git
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83 lines
1.9 KiB
Bash
83 lines
1.9 KiB
Bash
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#! /bin/sh
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# file fig_copy.sh
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# This file is part of LyX, the document processor.
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# Licence details can be found in the file COPYING.
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#
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# author Angus Leeming
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#
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# Full author contact details are available in file CREDITS
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# Usage:
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# fig_copy.sh <from file> <to file>
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# This script will copy an XFIG .fig file "$1" to "$2". In the process,
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# it will modify the contents of the .fig file so that the names of any
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# picture files that are stored as relative paths are replaced
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# with the absolute path.
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test $# -eq 2 || {
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echo "Usage: fig_copy.sh <from file> <to file>" >&2
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exit 1
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}
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test -r "$1" || {
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echo "Unable to read $1" >&2
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exit 1
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}
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# The work is trivial if "to" and "from" are in the same directory.
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PRESENT_DIR=$PWD
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cd `dirname "$1"` || exit $?
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FROM_DIR=$PWD
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cd "$PRESENT_DIR" || exit $?
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cd `dirname "$2"` || exit $?
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TO_DIR=$PWD
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cd "$PRESENT_DIR" || exit $?
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test "$FROM_DIR" = "$TO_DIR" && {
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'cp' -f "$1" "$2"
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exit $?
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}
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# Ok, they're in different directories. The .fig file must be modified.
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# WS is a space and a tab character.
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WS=' '
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TRANSFORMATION="
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# We're looking for a line of text that defines an entry of
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# type '2' (a polyline), subtype '5' (an external picture file).
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# The line has 14 other data fields.
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/^[${WS}]*2[${WS}]\{1,\}5\([${WS}]\{1,\}[^${WS}]\{1,\}\)\{14\}/{
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:loop
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# If we're not on the last line, get the next line.
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# It's this that defines the file itself.
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$!{
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N
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# Does the new line contain any data?
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# If not, loop
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/\n[${WS}]*$/bloop
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# Does the new line contain only a comment?
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# If so, loop
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/\n[${WS}]*#[^\n]*$/bloop
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# The contents of the final line containing the file name
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# are ' X <file name>', where X = 0 or 1.
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# If the file name does not begin with '/', then insert the absolute path.
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# Note that this test will work even if the file name contains spaces.
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s@\(.*\n[${WS}]*[01][${WS}]\{1,\}\)\([^/]\)@\1${FROM_DIR}/\2@
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}
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}"
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sed "${TRANSFORMATION}" "$1" > "$2"
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exit $?
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