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| author | Tom Ryder <tom@sanctum.geek.nz> | 2017-07-02 23:09:08 +1200 |
|---|---|---|
| committer | Tom Ryder <tom@sanctum.geek.nz> | 2017-07-02 23:09:08 +1200 |
| commit | fcb11d71d7d4dd7abf5af3e58106154ab2dd2212 (patch) | |
| tree | c9544340f86c6b7c8d45c5d2b2db6473693779df | |
| parent | Merge branch 'awk-cleanup' (diff) | |
| download | dotfiles-fcb11d71d7d4dd7abf5af3e58106154ab2dd2212.tar.gz dotfiles-fcb11d71d7d4dd7abf5af3e58106154ab2dd2212.zip | |
Correct some rndi(1df) references
| -rw-r--r-- | bin/maybe.sh | 3 | ||||
| -rw-r--r-- | bin/mktd.sh | 2 | ||||
| -rw-r--r-- | bin/rnda.sh | 7 | ||||
| -rw-r--r-- | man/man1/rndi.1df | 13 |
4 files changed, 10 insertions, 15 deletions
diff --git a/bin/maybe.sh b/bin/maybe.sh index 6e5c8658..bda7bbc0 100644 --- a/bin/maybe.sh +++ b/bin/maybe.sh @@ -19,5 +19,4 @@ if [ "$((num >= 0 || den >= 1))" -ne 1 ] ; then fi # Perform the test; that's our exit value -seed=$(rnds) -test "$(rndi 1 "$den" "$seed")" -le "$num" +test "$(rndi 1 "$den")" -le "$num" diff --git a/bin/mktd.sh b/bin/mktd.sh index 62b10396..f2a0275e 100644 --- a/bin/mktd.sh +++ b/bin/mktd.sh @@ -5,7 +5,7 @@ seed=$(rnds) # Build the intended directory name, with the last element a random integer # from 1..2^31 -dn=${TMPDIR:-/tmp}/${1:-mktd}.$$.$(rndi 1 2147483648 "$seed") +dn=${TMPDIR:-/tmp}/${1:-mktd}.$$.$(rndi 1 2147483648) # Create the directory and print its name if successful mkdir -m 700 -- "$dn" && printf '%s\n' "$dn" diff --git a/bin/rnda.sh b/bin/rnda.sh index b09a8b6f..6a755305 100644 --- a/bin/rnda.sh +++ b/bin/rnda.sh @@ -6,11 +6,8 @@ if [ "$#" -eq 0 ] ; then exit 2 fi -# Get a random seed from rnds(1df); if it's empty, that's still workable -seed=$(rnds) - -# Get a random integet from 1 to the number of arguments -argi=$(rndi 1 "$#" "$seed") || exit +# Get a random integer from 1 to the number of arguments +argi=$(rndi 1 "$#") || exit # Shift until that argument is the first argument shift "$((argi-1))" diff --git a/man/man1/rndi.1df b/man/man1/rndi.1df index 767ad148..72ad0218 100644 --- a/man/man1/rndi.1df +++ b/man/man1/rndi.1df @@ -7,18 +7,17 @@ 0 10 .br .B rndi -0 10 "$(rnds)" +0 10 .SH DESCRIPTION .B rndi returns a random integer ranging from the first argument to the second argument -in a POSIX-compliant way (using awk), using the optional third argument as a +in a POSIX-compliant way (using awk), using rnds(1df) if available for a seed. seed. .P -The answer returned is low-quality; given some implementations of awk and no -properly random seed, it may even return the same result if run within the same -second. This should not be used in any sort of security or statistical context. -The author wrote it to support scripts to choose a random background image from -a directory. +The answer returned is low-quality; on some platforms, it may even return the +same result if run within the same second. This should not be used in any sort +of security or statistical context. The author wrote it to support scripts to +choose a random background image from a directory. .SH SEE ALSO rnda(1df), rndf(1df), rndl(1df), rnds(1df), rndn(6df) .SH AUTHOR |