diff options
-rw-r--r-- | .gitignore | 2 | ||||
-rw-r--r-- | Makefile | 10 | ||||
-rw-r--r-- | README.markdown | 4 | ||||
-rw-r--r-- | bin/max.awk | 10 | ||||
-rw-r--r-- | bin/min.awk | 10 | ||||
-rw-r--r-- | man/man1/max.1df | 19 | ||||
-rw-r--r-- | man/man1/min.1df | 19 |
7 files changed, 70 insertions, 4 deletions
@@ -2,9 +2,11 @@ bin/csmw bin/ddup bin/gwp bin/han +bin/max bin/mean bin/med bin/mftl +bin/min bin/mode bin/rfct bin/rndi @@ -71,9 +71,11 @@ all : bin/csmw \ bin/ddup \ bin/gwp \ bin/han \ + bin/max \ bin/mean \ bin/med \ bin/mftl \ + bin/min \ bin/mode \ bin/rfct \ bin/rndi \ @@ -93,9 +95,11 @@ clean distclean : bin/ddup \ bin/gwp \ bin/han \ + bin/max \ bin/mean \ bin/med \ bin/mftl \ + bin/min \ bin/mode \ bin/rfct \ bin/rndi \ @@ -193,9 +197,9 @@ install-bash-completion : install-bash install -pm 0644 -- bash/bash_completion "$(HOME)"/.config/bash_completion install -pm 0644 -- bash/bash_completion.d/* "$(HOME)"/.bash_completion.d -install-bin : bin/csmw bin/ddup bin/gwp bin/han bin/mean bin/med bin/mftl \ - bin/mode bin/rfct bin/rndi bin/sd2u bin/sec bin/slsf bin/su2d bin/tot \ - bin/unf bin/uts install-bin-man +install-bin : bin/csmw bin/ddup bin/gwp bin/han bin/max bin/mean bin/med \ + bin/mftl bin/min bin/mode bin/rfct bin/rndi bin/sd2u bin/sec bin/slsf \ + bin/su2d bin/tot bin/unf bin/uts install-bin-man install -m 0755 -d -- "$(HOME)"/.local/bin for name in bin/* ; do \ [ -x "$$name" ] || continue ; \ diff --git a/README.markdown b/README.markdown index 109af073..777d5dd1 100644 --- a/README.markdown +++ b/README.markdown @@ -394,9 +394,11 @@ Installed by the `install-bin` target: * `unf(1df)` joins lines with leading spaces to the previous line. Intended for unfolding HTTP headers, but it should work for most RFC 822 formats. -* Four simple aggregators for numbers: +* Six simple aggregators for numbers: + * `max(1df)` prints the maximum. * `mean(1df)` prints the mean. * `med(1df)` prints the median. + * `min(1df)` prints the minimum. * `mode(1df)` prints the first encountered mode. * `tot(1df)` totals the set. * `ap(1df)` reads arguments for a given command from the standard input, diff --git a/bin/max.awk b/bin/max.awk new file mode 100644 index 00000000..11d4efd9 --- /dev/null +++ b/bin/max.awk @@ -0,0 +1,10 @@ +# Get the maximum of a list of numbers +{ + if (NR == 1 || $1 > max) + max = $1 +} +END { + if (!NR) + exit(1) + print max +} diff --git a/bin/min.awk b/bin/min.awk new file mode 100644 index 00000000..c58a3a8f --- /dev/null +++ b/bin/min.awk @@ -0,0 +1,10 @@ +# Get the minimum of a list of numbers +{ + if (NR == 1 || $1 < min) + min = $1 +} +END { + if (!NR) + exit(1) + print min +} diff --git a/man/man1/max.1df b/man/man1/max.1df new file mode 100644 index 00000000..28431da4 --- /dev/null +++ b/man/man1/max.1df @@ -0,0 +1,19 @@ +.TH MAX 1df "September 2016" "Manual page for max" +.SH NAME +.B max +\- print the maximum of a list of numbers +.SH SYNOPSIS +printf '%u\\n' 3 55 17 | +.B max +.br +.B max +file +.br +.B max +file1 file2 +.SH DESCRIPTION +.B max +collects all the newline-delimited numbers given as input, and prints the +maximum. +.SH AUTHOR +Tom Ryder <tom@sanctum.geek.nz> diff --git a/man/man1/min.1df b/man/man1/min.1df new file mode 100644 index 00000000..e3279d3b --- /dev/null +++ b/man/man1/min.1df @@ -0,0 +1,19 @@ +.TH MIN 1df "September 2016" "Manual page for min" +.SH NAME +.B min +\- print the minimum of a list of numbers +.SH SYNOPSIS +printf '%u\\n' 182 2 22 | +.B min +.br +.B min +file +.br +.B min +file1 file2 +.SH DESCRIPTION +.B min +collects all the newline-delimited numbers given as input, and prints the +minimum. +.SH AUTHOR +Tom Ryder <tom@sanctum.geek.nz> |