Format output from command from variables Post: 302619481

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Top Forums Shell Programming and Scripting Format output from command from variables Post 302619481 by gary_w on Thursday 5th of April 2012 02:15:23 PM

04-05-2012

Registered User

If your shell supports printf, use that instead of echo for formatted output:

Code:

$ cat x.dat
ab2f001           ABC        F      20120403200014
ab2t003           DBDCDD          F      20120403200241
ab2t005           ADFDFDFF         F      20120403200341
ab2t006            DFDF           F      20120403200921
ab2t009          DF           Y      20120404200013
ab2t009          DFDF            Y      20120404200049
ab2t016            DFDF          Y      20120404200118
ab2t017      DFDFFD      Y      20120404200204
ab2t099     DFDF         F       20120329200013
$ cat x
#!/bin/ksh

while read a b c d
do
  printf "%7s  %-8s  %1s  %s\n" $a $b $c $d
done < x.dat
$ ./x
ab2f001  ABC       F  20120403200014
ab2t003  DBDCDD    F  20120403200241
ab2t005  ADFDFDFF  F  20120403200341
ab2t006  DFDF      F  20120403200921
ab2t009  DF        Y  20120404200013
ab2t009  DFDF      Y  20120404200049
ab2t016  DFDF      Y  20120404200118
ab2t017  DFDFFD    Y  20120404200204
ab2t099  DFDF      F  20120329200013
$

gary_w

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LEARN ABOUT DEBIAN

blockdiag

BLOCKDIAG(1)						      General Commands Manual						      BLOCKDIAG(1)

NAME

       blockdiag - generate block-diagram image file from spec-text file.

SYNOPSIS

       blockdiag [options] file

DESCRIPTION

       This manual page documents briefly the blockdiag commands.

       blockdiag is a program that generate block-diagram image file from spec-text file.

OPTIONS

       These  programs	follow	the  usual  GNU  command  line	syntax, with long options starting with two dashes (`-').  A summary of options is
       included below.	For a complete description, see the SEE ALSO.

       --version
	      show program's version number and exit

       -h, --help
	      Show summary of options

       -a, --antialias
	      Pass diagram image to anti-alias filter

       -c FILE, --config=FILE
	      read configurations from FILE

       -o FILE
	      write diagram to FILE

       -f FONT, --font=FONT
	      use FONT to draw diagram

       --fontmap=FONT
	      use FONTMAP file to draw diagram

       -s, --separate
	      Separate diagram images for each group

       -T TYPE
	      Output diagram as TYPE format

       --nodoctype
	      Do not output doctype definition tags (SVG only)

       --no-transparency
	      do not make transparent background of diagram (PNG only)

SEE ALSO

       The programs are documented fully by
       http://tk0miya.bitbucket.org/blockdiag/build/html/index.html

AUTHOR

       blockdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>

       This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).

								   May	9, 2011 						      BLOCKDIAG(1)