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#!/bin/bash
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
APWD="$(pwd -P)"
testing "readlink missing" "readlink notfound || echo yes" "yes\n" "" ""
# simple tests on a file
touch file
testing "readlink file" "readlink file || echo yes" "yes\n" "" ""
testing "readlink -f dir" "readlink -f ." "$APWD\n" "" ""
testing "readlink -f missing" "readlink -f notfound" "$APWD/notfound\n" "" ""
ln -sf notfound link
testing "readlink link" "readlink link" "notfound\n" "" ""
testing "readlink link->missing" "readlink -f link" "$APWD/notfound\n" "" ""
ln -sf ../../ link
testing "readlink stays relative" "readlink link" "../../\n" "" ""
rm link
ln -sf file link
testing "readlink -f link->file" "readlink -f link" "$APWD/file\n" "" ""
ln -sf . link
testing "readlink -f link->dir" "readlink -f link" "$APWD\n" "" ""
ln -snf link link
testing "readlink link->link (recursive)" "readlink link" "link\n" "" ""
testing "readlink -f link->link (recursive)" \
"readlink -f link 2>/dev/null || echo yes" "yes\n" "" ""
testing "readlink -q notlink" "readlink -q file || echo yes" "yes\n" "" ""
testing "readlink -q link" "readlink -q link && echo yes" "yes\n" "" ""
testing "readlink -q notfound" "readlink -q notfound || echo yes" "yes\n" "" ""
testing "readlink -e found" "readlink -e file" "$APWD/file\n" "" ""
testing "readlink -e notfound" \
"readlink -e notfound 2>/dev/null || echo yes" "yes\n" "" ""
testing "readlink -nf ." "readlink -nf ." "$APWD" "" ""
mkdir sub &&
ln -s . here &&
ln -s ./sub dir &&
touch sub/bang || exit 1
testing "readlink -f multi" "readlink -f dir/../here/dir/bang" \
"$APWD/sub/bang\n" "" ""
testing "readlink -f link/missing" "readlink -f dir/boing" \
"$APWD/sub/boing\n" "" ""
testing "readlink -f /dev/null/file" \
"readlink -f /dev/null/file 2>/dev/null || echo yes" "yes\n" "" ""
ln -sf / link || exit 1
testing "readlink -f link->/" "readlink -e link/dev" "/dev\n" "" ""
testing "readlink -f /dev/null/.." \
"readlink -f link/null/.. 2>/dev/null || echo yes" "yes\n" "" ""
rm -f link && ln -sf link link || exit 1
testing "readlink recurse" "readlink link" "link\n" "" ""
rm file link sub/bang dir here
rmdir sub
# 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
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