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#!/bin/bash
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
testing "readlink missing" "readlink notfound || echo yes" "yes\n" "" ""
# simple tests on a file
touch file
testing "readlink file" "readlink file || echo yes" "yes\n" "" ""
testing "readlink -f dir" "readlink -f ." "$(pwd)\n" "" ""
testing "readlink -f missing" "readlink -f notfound" "$(pwd)/notfound\n" "" ""
# Test a link that points to nonexistent file
ln -s notfound link
testing "readlink link" "readlink link" "notfound\n" "" ""
testing "readlink link->missing" "readlink -f link" "$(pwd)/notfound\n" "" ""
ln -sf file link
testing "readlink -f link->file" "readlink -f link" "$(pwd)/file\n" "" ""
ln -sf . link
testing "readlink -f link->dir" "readlink -f link" "$(pwd)\n" "" ""
ln -snf link link
testing "readlink link->link (recursive)" "readlink link" "link\n" "" ""
testing "readlink -f link->link (recursive)" "readlink -f link || echo yes" \
"yes\n" "" ""
rm file link
# Make sure circular links don't run away.
ln -s link1 link2
ln -s link2 link1
testing "readlink follow recursive2" "readlink -f link1 || echo yes" \
"yes\n" "" ""
rm link1 link2
# Fun with relative paths
ln -s /usr/include/sys/../sys newsys
ln -s newsys newsys2
testing "readlink maintains relative paths" "readlink newsys" \
"/usr/include/sys/../sys\n" "" ""
testing "readlink -f resolves relative path" "readlink -f newsys2/../stdio.h" \
"/usr/include/stdio.h\n" "" ""
rm newsys newsys2
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