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kiss: readlink(), run in subshell

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Dylan Araps 2020-05-02 10:00:59 +03:00
parent 881c6114b9
commit f10cdb1938
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1 changed files with 2 additions and 3 deletions
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@ -145,7 +145,7 @@ decompress() {
esac < "$1"
}
readlink() {
readlink() (
# This is a 'readlink' utility written with POSIX utilities.
# 'ls' is used to obtain the target of the symlink.
#
@ -186,9 +186,8 @@ readlink() {
# where a file may include ' -> ' in its name.
[ -e "$target" ] || target=$PWD/${1##*/}
cd - >/dev/null
printf '%s\n' "$target"
}
)
sha256sum() {
# This is an implementation of 'sha256sum' using openssl/libressl.