Shulou(Shulou.com)06/01 Report--

Summary of Seq commands

Example 1:

# seq 1 10

The result is 1 23 4 5 6 7 8 9 10

Example 2:

#! / bin/bash

For i in `seq 1 10`

Do

Echo $I

Done

Or use

For i in $(seq 1 10)

Also OK

Seq

-fmam Murtel formatting format use printf style floating-pointFORMAT (default:% g)

-s,-- separator=STRING use STRINGto separate numbers (default:\ n)

-W,-- equal-width equalize width by padding with leading zeroes

The-f option specifies the format

# seq-f "% 3G" 911

nine

ten

eleven

The number of digits specified after% defaults to "% g"

"% 3G" then the insufficient number of digits is a space.

In the case of # sed-f "g" 9 / 11, the underdigits are 0.

% set the string before

Seq-f "strg" 9 11

Str009

Str010

Str011

-w specifies that the output digit is the same width and cannot be used with-f

Seq-w-f "strg" 9 11

Seq: format string may not be specified whenprinting equal width strings

Seq-w 98 101

098

099

one hundred

one hundred and one

The output is the same width.

-s specifies that the delimiter defaults to enter

Seq-s ""-f "strg" 9 11

Str009 str010 str011

To specify\ t as the separator

Seq-s "`echo-e"\ t "`" 911

Specify\ n\ nas the separator

Seq-s "`echo-e"\ n\ n "`" 911

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