| 1 | #!/usr/bin/env sh
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| 2 |
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| 3 | # cross-platform `readlink -f`
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| 4 | # borrow from http://stackoverflow.com/questions/1055671/how-can-i-get-the-behavior-of-gnus-readlink-f-on-a-mac
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| 5 | _readlink_f() {
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| 6 | TARGET_FILE=$1
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| 7 | cd `dirname $TARGET_FILE`
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| 8 | TARGET_FILE=`basename $TARGET_FILE`
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| 9 |
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| 10 | while [ -L "$TARGET_FILE" ]
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| 11 | do
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| 12 | TARGET_FILE=`readlink $TARGET_FILE`
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| 13 | cd `dirname $TARGET_FILE`
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| 14 | TARGET_FILE=`basename $TARGET_FILE`
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| 15 | done
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| 16 |
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| 17 | echo `pwd -P`/$TARGET_FILE
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| 18 | }
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