Add --ofmte, --ofmtf, --ofmtg command-line flags

docs/src/manpage.md

@@ -557,6 +557,9 @@ MILLER(1)                                                            MILLER(1)
                                 floating-point numbers. If not specified, default
                                 formatting is used. See also the `fmtnum` function
                                 and the `format-values` verb.
+       --ofmte {n}              Use --ofmte 6 as shorthand for --ofmt %.6e, etc.
+       --ofmtf {n}              Use --ofmtf 6 as shorthand for --ofmt %.6f, etc.
+       --ofmtg {n}              Use --ofmtg 6 as shorthand for --ofmt %.6g, etc.
        --records-per-batch {n}  This is an internal parameter for maximum number of
                                 records in a batch size. Normally this does not need
                                 to be modified.

docs/src/manpage.txt

@@ -536,6 +536,9 @@ MILLER(1)                                                            MILLER(1)
                                 floating-point numbers. If not specified, default
                                 formatting is used. See also the `fmtnum` function
                                 and the `format-values` verb.
+       --ofmte {n}              Use --ofmte 6 as shorthand for --ofmt %.6e, etc.
+       --ofmtf {n}              Use --ofmtf 6 as shorthand for --ofmt %.6f, etc.
+       --ofmtg {n}              Use --ofmtg 6 as shorthand for --ofmt %.6g, etc.
        --records-per-batch {n}  This is an internal parameter for maximum number of
                                 records in a batch size. Normally this does not need
                                 to be modified.

docs/src/reference-main-flag-list.md

@@ -276,6 +276,9 @@ These are flags which don't fit into any other category.
 * `--no-hash-records`: See --hash-records.
 * `--nr-progress-mod {m}`: With m a positive integer: print filename and record count to os.Stderr every m input records.
 * `--ofmt {format}`: E.g. `%.18f`, `%.0f`, `%9.6e`. Please use sprintf-style codes (https://pkg.go.dev/fmt) for floating-point numbers. If not specified, default formatting is used.  See also the `fmtnum` function and the `format-values` verb.
+* `--ofmte {n}`: Use --ofmte 6 as shorthand for --ofmt %.6e, etc.
+* `--ofmtf {n}`: Use --ofmtf 6 as shorthand for --ofmt %.6f, etc.
+* `--ofmtg {n}`: Use --ofmtg 6 as shorthand for --ofmt %.6g, etc.
 * `--records-per-batch {n}`: This is an internal parameter for maximum number of records in a batch size. Normally this does not need to be modified.
 * `--seed {n}`: with `n` of the form `12345678` or `0xcafefeed`. For `put`/`filter` `urand`, `urandint`, and `urand32`.
 * `--tz {timezone}`: Specify timezone, overriding `$TZ` environment variable (if any).

internal/pkg/cli/option_parse.go

@@ -2743,6 +2743,39 @@ var MiscFlagSection = FlagSection{
 			},
 		},
 
+		{
+			name: "--ofmte",
+			arg:  "{n}",
+			help: "Use --ofmte 6 as shorthand for --ofmt %.6e, etc.",
+			parser: func(args []string, argc int, pargi *int, options *TOptions) {
+				CheckArgCount(args, *pargi, argc, 2)
+				options.WriterOptions.FPOFMT = "%." + args[*pargi+1] + "e"
+				*pargi += 2
+			},
+		},
+
+		{
+			name: "--ofmtf",
+			arg:  "{n}",
+			help: "Use --ofmtf 6 as shorthand for --ofmt %.6f, etc.",
+			parser: func(args []string, argc int, pargi *int, options *TOptions) {
+				CheckArgCount(args, *pargi, argc, 2)
+				options.WriterOptions.FPOFMT = "%." + args[*pargi+1] + "f"
+				*pargi += 2
+			},
+		},
+
+		{
+			name: "--ofmtg",
+			arg:  "{n}",
+			help: "Use --ofmtg 6 as shorthand for --ofmt %.6g, etc.",
+			parser: func(args []string, argc int, pargi *int, options *TOptions) {
+				CheckArgCount(args, *pargi, argc, 2)
+				options.WriterOptions.FPOFMT = "%." + args[*pargi+1] + "g"
+				*pargi += 2
+			},
+		},
+
 		{
 			name: "--load",
 			arg:  "{filename}",

man/manpage.txt

@@ -536,6 +536,9 @@ MILLER(1)                                                            MILLER(1)
                                 floating-point numbers. If not specified, default
                                 formatting is used. See also the `fmtnum` function
                                 and the `format-values` verb.
+       --ofmte {n}              Use --ofmte 6 as shorthand for --ofmt %.6e, etc.
+       --ofmtf {n}              Use --ofmtf 6 as shorthand for --ofmt %.6f, etc.
+       --ofmtg {n}              Use --ofmtg 6 as shorthand for --ofmt %.6g, etc.
        --records-per-batch {n}  This is an internal parameter for maximum number of
                                 records in a batch size. Normally this does not need
                                 to be modified.

man/mlr.1

@@ -655,6 +655,9 @@ These are flags which don't fit into any other category.
                          floating-point numbers. If not specified, default
                          formatting is used. See also the `fmtnum` function
                          and the `format-values` verb.
+--ofmte {n}              Use --ofmte 6 as shorthand for --ofmt %.6e, etc.
+--ofmtf {n}              Use --ofmtf 6 as shorthand for --ofmt %.6f, etc.
+--ofmtg {n}              Use --ofmtg 6 as shorthand for --ofmt %.6g, etc.
 --records-per-batch {n}  This is an internal parameter for maximum number of
                          records in a batch size. Normally this does not need
                          to be modified.

test/cases/cli-ofmt/0001/cmd

@@ -0,0 +1 @@
+mlr --ofmte 6 --from test/input/abixy --d2p put -f ${CASEDIR}/mlr

test/cases/cli-ofmt/0001/expout

@@ -0,0 +1,11 @@
+a   b   i  x            y
+pan pan 1  3.467901e+05 7.268029e-01
+eks pan 2  7.586800e+05 5.221511e-01
+wye wye 3  2.046033e+05 3.383185e-01
+eks wye 4  3.813994e+05 1.341887e-01
+wye pan 5  5.732889e+05 8.636245e-01
+zee pan 6  5.271262e+05 4.932213e-01
+eks zee 7  6.117841e+05 1.878849e-01
+zee wye 8  5.985540e+05 9.761814e-01
+hat wye 9  3.144188e+04 7.495508e-01
+pan wye 10 5.026260e+05 9.526184e-01

test/cases/cli-ofmt/0001/mlr

@@ -0,0 +1 @@
+$x = $x * 10**6

test/cases/cli-ofmt/0002/cmd

@@ -0,0 +1 @@
+mlr --ofmtf 6 --from test/input/abixy --d2p put -f ${CASEDIR}/mlr

test/cases/cli-ofmt/0002/expout

@@ -0,0 +1,11 @@
+a   b   i  x             y
+pan pan 1  346790.144338 0.726803
+eks pan 2  758679.964790 0.522151
+wye wye 3  204603.305766 0.338319
+eks wye 4  381399.393871 0.134189
+wye pan 5  573288.919802 0.863624
+zee pan 6  527126.160092 0.493221
+eks zee 7  611784.060568 0.187885
+zee wye 8  598554.009106 0.976181
+hat wye 9  31441.876461  0.749551
+pan wye 10 502626.005541 0.952618

test/cases/cli-ofmt/0002/mlr

@@ -0,0 +1 @@
+$x = $x * 10**6

test/cases/cli-ofmt/0003/cmd

@@ -0,0 +1 @@
+mlr --ofmtg 6 --from test/input/abixy --d2p put -f ${CASEDIR}/mlr

test/cases/cli-ofmt/0003/expout

@@ -0,0 +1,11 @@
+a   b   i  x       y
+pan pan 1  346790  0.726803
+eks pan 2  758680  0.522151
+wye wye 3  204603  0.338319
+eks wye 4  381399  0.134189
+wye pan 5  573289  0.863624
+zee pan 6  527126  0.493221
+eks zee 7  611784  0.187885
+zee wye 8  598554  0.976181
+hat wye 9  31441.9 0.749551
+pan wye 10 502626  0.952618

test/cases/cli-ofmt/0003/mlr

@@ -0,0 +1 @@
+$x = $x * 10**6