taground(USP)

Name

taground : Round, round-up or truncate

Synopsis

Usage   : taground [--ngthrough] [+up|-down] <f1.d1> <f2.d2> .. <file>

Version : Mon Oct  2 17:42:17 JST 2017

Edition : 1

Description

Rounds, rounds up or truncates the specified field of the file (or

standard input) to the specified number of digits and outputs the

result. If you specify the decimal places as "0" (n.0) then the

field is output as an integer. If you specify the decimal places

as "0+num" then the integer value is rounded, rounded up or

rounded down to that number of decimal places.

Example 1

$ cat data

NO V1 V2 V3 V4 V5

01 0.3418 1.5283 9.0023 7.1234 1234

02 3.1242 7.1423 6.5861 2.7735 1235

03 6.8254 2.6144 4.3234 3.4231 -1234

04 7.0343 3.3312 7.8678 1.3295 -1235

The second field is rounded to an integer, the third

field is rounded to the tenths digit, the fourth field

is rounded to the hundredths digit, the fifth field

is rounded to the thousandths digit, and the sixth

field is rounded to the tens digit.

$ taground V1.0 V2.1 V3.2 V4.3 V5.01 data

NO V1 V2 V3 V4 V5

01 0 1.5 9.00 7.123 1230

02 3 7.1 6.59 2.774 1240

03 7 2.6 4.32 3.423 -1230

04 7 3.3 7.87 1.330 -1240

Example 2

Same as Example 1 except values are rounded up.

$ taground +up V1.0 V2.1 V3.2 V4.3 V5.01 data

NO V1 V2 V3 V4 V5

01 1 1.6 9.01 7.124 1240

02 4 7.2 6.59 2.774 1240

03 7 2.7 4.33 3.424 -1240

04 8 3.4 7.87 1.330 -1240

Example 3

Same as Example 1 except values are truncated.

$ taground -dn V1.0 V2.1 V3.2 V4.3 V5.01 data

NO V1 V2 V3 V4 V5

01 0 1.5 9.00 7.123 1230

02 3 7.1 6.58 2.773 1230

03 6 2.6 4.32 3.423 -1230

04 7 3.3 7.86 1.329 -1230

Important

Negative numbers are rounded as positive numbers and then

a minus sign is added.