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Add cli_readFileContent.sh.
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#
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# cli_readFileContent.sh -- This function outputs content files, passed
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# as first argument, to standard output as specified by second
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# argument.
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#
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# Copyright (C) 2009-2011 Alain Reguera Delgado
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#
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# 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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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA.
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#
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function cli_readFileContent {
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local FILES="$1"
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# Verify existence of files.
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cli_checkFiles "$FILES"
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# Print content of files to standard output.
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case "$2" in
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'--first-line' )
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cat "$FILES" | head -n 1
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;;
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'--last-line' )
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cat "$FILES" | tail -n 1
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;;
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'--copyright' )
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# This option prints the first line of a file, if it has a
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# copyright format. This option is mainly used to retrive
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# artistic motif author copyright note from artistic
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# motifs `authors.txt' file.
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local PATTERN='^Copyright (\(C\)|©) [0-9]+(-[0-9]+)? .+$'
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if [[ $(cli_readFileContent "$FILES" '--first-line') =~ "${PATTERN}" ]];then
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cli_readFileContent "$FILES" '--first-line'
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fi
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;;
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'--all-lines' | * )
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cat "$FILES"
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esac
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}
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