lpp_bash_functions.sh
82 lines
| 3.0 KiB
| application/x-sh
|
BashLexer
/ scripts / lpp_bash_functions.sh
| r135 | #!/bin/bash | |||
| #"=======================================================================================" | ||||
| #"---------------------------------------------------------------------------------------" | ||||
| #" LPP VHDL lib makeDirs " | ||||
| #" Copyright (C) 2010 Laboratory of Plasmas Physic. " | ||||
| #"=======================================================================================" | ||||
| #---------------------------------------------------------------------------------------- | ||||
| # This file is a part of the LPP VHDL IP LIBRARY | ||||
| # Copyright (C) 2010, Laboratory of Plasmas Physic - CNRS | ||||
| # | ||||
| # This program is free software; you can redistribute it and/or modify | ||||
| # it under the terms of the GNU General Public License as published by | ||||
| # the Free Software Foundation; either version 3 of the License, or | ||||
| # (at your option) any later version. | ||||
| # | ||||
| # This program is distributed in the hope that it will be useful, | ||||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
| # GNU General Public License for more details. | ||||
| # | ||||
| # You should have received a copy of the GNU General Public License | ||||
| # along with this program; if not, write to the Free Software | ||||
| # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
| #---------------------------------------------------------------------------------------- | ||||
| # Full path function | ||||
| function fullpath() { | ||||
| if test $# -gt 0 | ||||
| then | ||||
| cd $1 | ||||
| echo `pwd` | ||||
| fi | ||||
| } | ||||
| # Relative path function | ||||
| # both $1 and $2 are absolute paths (biginning with /) | ||||
| # returns $2 relative to $1 | ||||
| function relpath() { | ||||
| if test $# -gt 1 | ||||
| then | ||||
| source=`fullpath $1` | ||||
| target=`fullpath $2` | ||||
| common_part=$source # for now | ||||
| result="" # for now | ||||
| while [[ "${target#$common_part}" == "${target}" ]]; do | ||||
| # no match, means that candidate common part is not correct | ||||
| # go up one level (reduce common part) | ||||
| common_part="$(dirname $common_part)" | ||||
| # and record that we went back, with correct / handling | ||||
| if [[ -z $result ]]; then | ||||
| result=".." | ||||
| else | ||||
| result="../$result" | ||||
| fi | ||||
| done | ||||
| if [[ $common_part == "/" ]]; then | ||||
| # special case for root (no common path) | ||||
| result="$result/" | ||||
| fi | ||||
| # since we now have identified the common part, | ||||
| # compute the non-common part | ||||
| forward_part="${target#$common_part}" | ||||
| # and now stick all parts together | ||||
| if [[ -n $result ]] && [[ -n $forward_part ]]; then | ||||
| result="$result$forward_part" | ||||
| elif [[ -n $forward_part ]]; then | ||||
| # extra slash removal | ||||
| result="${forward_part:1}" | ||||
| fi | ||||
| echo $result | ||||
| fi | ||||
| } | ||||
