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Full Discussion: Passing values from file into array in Bash
Top Forums UNIX for Dummies Questions & Answers Passing values from file into array in Bash Post 302732209 by spacebar on Friday 16th of November 2012 09:12:05 PM
Old 11-16-2012
Check out the below example, You should be able to modify it to do what you want to accomplish:
Code:
$ cat t
1 name1 a first
2 name2 b second
3 name3 c third


$ cat test.sh
# Script will load file lines into array(datafile) and then fields from each line into array(fields)
# and print each array(fields) element separating each element with the pipe symbol(|).
OLD_IFS=$IFS
IFS=$'\n'
datafile=( `cat "t"`)
IFS=$OLD_IFS
for l in "${datafile[@]}"
do
  fields=( $l );
  for f in $(seq 0 $((${#fields[@]} - 1)))
  do
    echo -n "${fields[$f]}"
    if (( f < $((${#fields[@]} - 1)) )); then
       echo -n "|"
    else
       echo ""
    fi
  done
done


$ test.sh
1|name1|a|first
2|name2|b|second
3|name3|c|third

 

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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)
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