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Top Forums Shell Programming and Scripting merge lines into single line based on symbol \t Post 302334200 by kshji on Wednesday 15th of July 2009 04:12:19 AM
Old 07-15-2009
Code:
#!/bin/ksh
savestr=""
# remove first \t, we don't need it
sed "s/^\\\t//" filename | while read line
do
       case "$line" in
               \t*) # \t\t line, so print buffer and empty buffer
                       echo "$savestr"
                       savestr=""
                       ;;
               *)     # not \t\t line, so add current line to the buffer
                       savestr="$savestr$line "
                   ;;
       esac
done
# last line
# if file not end \t\t line, then we have some data in buffer, print it
[ "$savestr" != "" ] && echo "$savestr"


Last edited by kshji; 07-15-2009 at 05:43 AM..
 

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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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