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             relative_path.sh
        
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                | application/x-sh
            
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             / scripts / relative_path.sh
          
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      #!/bin/bash

      # both $1 and $2 are absolute paths (biginning with /)

      # returns $2 relative to $1

      source=$1

      target=$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

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				#!/bin/bash
				# both $1 and $2 are absolute paths (biginning with /)
				# returns $2 relative to $1

				source=$1
				target=$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