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Full Discussion: Preserve leading white space
Top Forums Shell Programming and Scripting Preserve leading white space Post 302936603 by jgt on Thursday 26th of February 2015 03:58:00 PM
Old 02-26-2015
Preserve leading white space

I have about 350 programs in which I have to add 2 lines; one before and one after a specfic line.
The following script does the job except that I lose the indentation.
Code:
#!/usr/bin/bash                                                        
while read line                                                        
do                                                                     
        line1=$line                                                    
        if [ "${line1:0:4}" = "@1,0" ]                                 
        then                                                           
        echo "if file (\"/u2/email/eps/\"+alltrim(writer)+\".eps\")"   
        echo "$line"                                                   
        echo "endif"                                                   
        else                                                           
        echo "$line"                                                   
        fi                                                             
done

 

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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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