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author | Tom Ryder <tom@sanctum.geek.nz> | 2016-08-01 10:52:34 +1200 |
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committer | Tom Ryder <tom@sanctum.geek.nz> | 2016-08-01 10:52:34 +1200 |
commit | 001a041f50b182e67b0591b76dc0ff16cf243bd0 (patch) | |
tree | ffdd9f4dfe243a89187607afb16f3b27b022b628 | |
parent | Change feh(1) call in xrbg(1) to be an exec (diff) | |
download | dotfiles-001a041f50b182e67b0591b76dc0ff16cf243bd0.tar.gz dotfiles-001a041f50b182e67b0591b76dc0ff16cf243bd0.zip |
Add rnda(1)
-rwxr-xr-x | bin/rnda | 9 | ||||
-rw-r--r-- | man/man1/rnda.1 | 16 |
2 files changed, 25 insertions, 0 deletions
diff --git a/bin/rnda b/bin/rnda new file mode 100755 index 00000000..94cc48d1 --- /dev/null +++ b/bin/rnda @@ -0,0 +1,9 @@ +#!/bin/sh +# Choose a random argument using rndi(1). +if [ "$#" -eq 0 ] ; then + printf >&2 'rnda: No args given\n' + exit 1 +fi +argi=$(rndi 1 "$#") || exit +shift "$((argi-1))" +printf '%s\n' "$1" diff --git a/man/man1/rnda.1 b/man/man1/rnda.1 new file mode 100644 index 00000000..c0fb3497 --- /dev/null +++ b/man/man1/rnda.1 @@ -0,0 +1,16 @@ +.TH RNDA 1 "August 2016" "Manual page for rnda" +.SH NAME +.B rnda +\- return a low-quality random choice from the given arguments +.SH SYNOPSIS +.B rnda +.br +arg1 arg2 arg3 +.SH DESCRIPTION +.B rnda +prints a random choice from the given arguments. It uses rndi(1), which is not +a high-quality random number source. +.SH SEE ALSO +rndf(1), rndi(1) +.SH AUTHOR +Tom Ryder <tom@sanctum.geek.nz> |