awkprintformat

The print statement is used to produce output with simple, standardized formatting. Specify only the strings or numbers to print, in a list separated by commas.

An Awk Primer/Output with print and printf · The g format code prints a number in exponential or floating-point format, whichever is shortest. · A numeric ...

Format Specifier. As in C-language, AWK also has format specifiers. The AWK version of the printf statement accepts the following conversion specification ...

awk ' printf ( %-14s %8.3f-n, $1, $2 ); }' data · The minus is more useful when working with strings. · Using float or other numeric formats on a non-numeric ...

Here is a list of the format-control letters: `c' This prints a number as an ASCII character. Thus, `printf %c, 65' outputs the letter `A'.

Formatting awk output. For more carefully formatted output, awk provides a C-like printf statement: printf format, expr1, expr2, ..., exprn. This statement ...

2017年6月13日 — printf format, expr-list · %c char single character · %d (%i) int signed integer · %e (%E) float or double exponential format · %f float or double ...

With printf you can specify the width to use for each item, as well as various formatting choices for numbers (such as what output base to use, whether to print ...

Printing each column heading with the same format specification used for the column elements ensures that the headings are aligned just like the columns.

2017年4月12日 — 打印输出时，可能需要指定字段间的空格数，从而把列排整齐。在print函数中使用制表符并不能保证得到想要的输出，因此，可以用printf函数来格式化特别 ...