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Top Forums Shell Programming and Scripting Script Search replace - complicated Post 302374757 by ghostdog74 on Wednesday 25th of November 2009 11:06:00 AM
Old 11-25-2009
bash
Code:
while read -r line
do
    case "$line" in 
        "CODE A"*)  flag=1;;
    esac
    if [ "$flag" -eq 1 ];then
        case "$line" in
            VAL* ) echo "VAL 5,6,7";flag=0;continue;;
            * ) echo $line;;
        esac    
    fi
    [ "$flag" -eq 0 ] && echo $line
done <"file"

output
Code:
$ more file
CODE A_123                        
TEXT
TEXT
VAL 1,2,3
TEXT
CODE A_321
TEXT
TEXT
VAL 1,2,3
TEXT
TEXT
VAL 1,2,3
TEXT
END
CODE A_321
TEXT
TEXT
VAL 1,2,3

$ ./shell.sh
CODE A_123
TEXT
TEXT
VAL 5,6,7
TEXT
CODE A_321
TEXT
TEXT
VAL 5,6,7
TEXT
TEXT
VAL 1,2,3
TEXT
END
CODE A_321
TEXT
TEXT
VAL 5,6,7

 

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print(1)							   User Commands							  print(1)

NAME
print - shell built-in function to output characters to the screen or window SYNOPSIS
ksh print [ -Rnprsu [n]] [arg...] DESCRIPTION
ksh The shell output mechanism. With no flags or with flag - or -, the arguments are printed on standard output as described by echo(1). OPTIONS
The following options are supported: -n suppresses new-line from being added to the output. -R -r (raw mode) ignore the escape conventions of echo. The -R option will print all subsequent arguments and options other than -n. -p causes the arguments to be written onto the pipe of the process spawned with |& instead of standard output. -s causes the arguments to be written onto the history file instead of standard output. -u [ n ] flag can be used to specify a one digit file descriptor unit number n on which the output will be placed. The default is 1. EXIT STATUS
The following exit values are returned: 0 Successful operation. >0 Output file is not open for writing. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
echo(1), ksh(1), attributes(5) SunOS 5.10 15 Apr 1994 print(1)
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