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Full Discussion: sed to remove
Top Forums Shell Programming and Scripting sed to remove Post 302422127 by pseudocoder on Monday 17th of May 2010 01:56:33 PM
Old 05-17-2010
This one will simply remove the trailing zero from every row/line, which has 650 in it's second column/field:
Code:
while read line; do
if [ $(echo $line | awk '{print $2}') = "650" ]; then
echo $line | sed 's/[034]$//'
else
echo $line
fi
done <inputfile

Is this an option for you? If not please explain why.

Last edited by pseudocoder; 05-17-2010 at 04:39 PM.. Reason: update due to enhanced requirement
 

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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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