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Top Forums Shell Programming and Scripting How to filter out data file...? Post 302741521 by nex_asp on Sunday 9th of December 2012 04:36:20 AM
Old 12-09-2012
Code:
echo -n "Enter column 1 min value > "
read c1_min
echo -n "Enter column 1 max value > "
read c1_max
echo -n "Enter column 2 min value > "
read c2_min
echo -n "Enter column 2 max value > "
read c2_max
echo -n "Enter column 3 min value > "
read c3_min
echo -n "Enter column 3 max value > "
read c3_max

{
  read header
  printf "%s\n" "$header"
  while read col1 col2 col3 col4 col5; do
    if [ $c1_min -lt $col1 ] && [ $c1_max -gt $col1 ] && 
       [ $c2_min -lt $col2 ] && [ $c2_max -gt $col2 ] &&
       [ $c3_min -lt $col3 ] && [ $c3_max -gt $col3 ]
    then 
      printf "%s\t%s\t%s\t%s\t%s\n" $col1 $col2 $col3 $col4 $col5
    fi
  done 
} < data_filter.txt

I tried like this...not working..

---------- Post updated at 04:24 AM ---------- Previous update was at 04:19 AM ----------

when I tried with ksh file.sh


Code:
column1	column2	column3	data1	data2
-0.018	64.008	4	28.18	36.43
-0.018	64.008	5	28.18	36.44
-0.018	64.008	6	28.19	36.45
-0.018	64.008	7	28.19	36.44
-0.018	64.008	8	28.94	34.97
data_filter.sh[30]: [: -1: unknown operator

I got this error

---------- Post updated at 04:36 AM ---------- Previous update was at 04:24 AM ----------

something wrong in if statement...

Last edited by Scott; 12-09-2012 at 06:09 AM.. Reason: Code tags
 

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line(1) 						      General Commands Manual							   line(1)

NAME
line - Reads one line from standard input SYNOPSIS
line STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: line: XCU5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. OPTIONS
None DESCRIPTION
The line command copies one line, up to and including a newline, from standard input and writes it to standard output. Use this command within a shell command file to read from your terminal. The line command always writes at least a newline character. NOTES
The line utility has no internationalization features and is marked LEGACY in XCU Issue 5. Use the read utility instead. EXIT STATUS
Success. End-of-File. EXAMPLES
To read a line from the keyboard and append it to a file, enter: echo 'Enter comments for the log:' echo ': c' line >>log This shell procedure displays the message: Enter comments for the log: It then reads a line of text from the keyboard and adds it to the end of the file log. The echo ': c' command displays a : (colon) prompt. See the echo command for information about the c escape sequence. SEE ALSO
Commands: echo(1), ksh(1), read(1), Bourne shell sh(1b), POSIX shell sh(1p) Functions: read(2) Standards: standards(5) line(1)
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