157 lines
3.9 KiB
Bash
Executable File
157 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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#------------------------------------------------------------------------------
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# ========= |
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# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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# \\ / O peration |
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# \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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# \\/ M anipulation |
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#-------------------------------------------------------------------------------
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# License
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# This file is part of OpenFOAM.
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#
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# OpenFOAM is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OpenFOAM; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# Script
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# foamCleanPath
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#
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# Description
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# Usage: foamCleanPath [-strip] path [wildcard] .. [wildcard]
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#
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# Prints its argument (which should be a ':' separated path)
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# without all
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# - duplicate elements
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# - elements whose start matches a wildcard
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# - inaccessible directories (with the -strip option)
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#
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# Note:
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# - this routine will fail when directories have embedded spaces
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# - false matches possible if a wildcard contains '.' (sed regex)
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#------------------------------------------------------------------------------
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usage() {
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cat <<USAGE 1>&2
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Usage: ${0##*/} [OPTION] path [wildcard1] .. [wildcardN]
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options:
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-space treat 'path' as space-delimited (eg, from C-Shell)
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-strip remove inaccessible directories
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-help print the usage
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Prints its argument (which should be a ':' separated list) cleansed from
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- duplicate elements
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- elements whose start matches one of the wildcard(s)
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- inaccessible directories (with the -strip option)
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USAGE
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exit 1
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}
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unset space strip
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# parse options
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while [ "$#" -gt 0 ]
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do
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case "$1" in
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-h | -help)
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usage
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;;
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-space)
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space=true
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shift
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;;
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-strip)
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strip=true
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shift
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;;
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*)
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break
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;;
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esac
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done
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[ "$#" -ge 1 ] || usage
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if [ "$space" = true ]
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then
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dirList=$(echo "$1" | sed -e 's/ /:/g')
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else
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dirList="$1"
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fi
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shift
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##DEBUG echo "input>$dirList<" 1>&2
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# preserve current IFS and split on whitespace
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oldIFS="$IFS"
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IFS=' '
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# "wildcard1 ... wildcardN" may have been passed as a single parameter
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set -- $*
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# strip out wildcards via sed
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while [ "$#" -ge 1 ]
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do
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wildcard=$1
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shift
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##DEBUG echo "remove>$wildcard<" 1>&2
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dirList=$(echo "$dirList" | sed -e "s@${wildcard}[^:]*:@@g")
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done
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# split on ':' (and on space as well to avoid any surprises)
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IFS=': '
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set -- $dirList
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##DEBUG echo "intermediate>$dirList<" 1>&2
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# rebuild the list from scratch
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unset dirList
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for dir
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do
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##DEBUG echo "check>$dir<" 1>&2
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#- dirs must exist
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if [ -e "$dir" ]
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then
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#- no duplicate dirs
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duplicate=$(echo " $dirList " | sed -ne "s@ $dir @DUP@p")
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if [ ! "$duplicate" ]
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then
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dirList="$dirList $dir"
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fi
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elif [ "$strip" != true ]
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then
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# Print non-existing directories if not in 'strip' mode.
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dirList="$dirList $dir"
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fi
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done
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# split on whitespace
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IFS=' '
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set -- $dirList
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# join on ':', unless -space option was specified
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if [ "$space" != true ]
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then
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IFS=':'
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fi
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dirList="$*"
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# restore IFS
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IFS="$oldIFS"
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##DEBUG echo "output>$dirList<" 1>&2
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echo "$dirList"
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# -----------------------------------------------------------------------------
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