01-29-2016
Hello Ads89,
Let me explain you above code it will take number of total lines in Input_file and then will run each line of Input_file from number 1 to till number of lines by changing the second field of each line with the number. So let's say your Input_file has 10 lines so each line will be printed by having it's 2nd field from 1 to 10 where 1 will be 2nd field for all lines then 2 will ne 2nd files for all lines and so on till 10(which is total number of lines.). If you have any other thing to perform, request you to let us know complete details with expected output and sample input.
Thanks,
R. Singh
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fmt(1) General Commands Manual fmt(1)
NAME
fmt - format text
SYNOPSIS
width] [file...]
DESCRIPTION
The command is a simple text formatter that fills and joins lines to produce output lines of (up to) the number of characters specified in
the width option. The default width is 72. concatenates the arguments. If none are given, formats text from the standard input.
Blank lines are preserved in the output, as is the spacing between words. does not fill lines beginning with a period for compatibility
with Nor does it fill lines starting with
Indentation is preserved in the output and input lines with differing indentation are not joined (unless is used).
can also be used as an in-line text filter for the command:
reformats the text between the cursor location and the end of the paragraph.
Options
recognizes the following options:
Crown margin mode.
Preserve the indentation of the first two lines within a paragraph and align the left margin of each subsequent line with that
of the second line. This is useful for tagged paragraphs.
Split lines only.
Do not join short lines to form longer ones. This prevents sample lines of code, and other such "formatted" text, from being
unduly combined.
Fill output lines to up to
width columns.
WARNINGS
The width option is acceptable for BSD compatibility, but it may go away in future releases.
SEE ALSO
nroff(1), vi(1).
fmt(1)