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author | Jim Meyering <jim@meyering.net> | 2001-03-17 22:12:03 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2001-03-17 22:12:03 +0000 |
commit | d6a685271cdd8142fbd37904ca7d50e1fc2565b3 (patch) | |
tree | 8e8be416f44d4885ceb83d66e19ef4ec160fea44 /tests/envvar-check | |
parent | c5e168c0344224ac08f4af5e17d885f9623b7867 (diff) | |
download | coreutils-d6a685271cdd8142fbd37904ca7d50e1fc2565b3.tar.gz coreutils-d6a685271cdd8142fbd37904ca7d50e1fc2565b3.tar.bz2 coreutils-d6a685271cdd8142fbd37904ca7d50e1fc2565b3.zip |
Set/use $as_unset, for those shells
(like Ultrix4's /bin/sh) that don't accept `unset'.
Diffstat (limited to 'tests/envvar-check')
-rw-r--r-- | tests/envvar-check | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tests/envvar-check b/tests/envvar-check index 5784949d2..880eaccfc 100644 --- a/tests/envvar-check +++ b/tests/envvar-check @@ -1,4 +1,10 @@ -unset VERSION_CONTROL SIMPLE_BACKUP_SUFFIX +if (FOO=FOO; unset FOO) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + +$as_unset VERSION_CONTROL SIMPLE_BACKUP_SUFFIX if test "${VERSION_CONTROL+set}" = set; then echo "$0: the VERSION_CONTROL envvar is set --" \ |