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Full Discussion: Get difference
Top Forums Shell Programming and Scripting Get difference Post 302730983 by pamu on Wednesday 14th of November 2012 03:30:03 AM
Old 11-14-2012
try

use space as FS for two arguments.

Code:
echo "a,b,d,f,g 21212,sfsd,4546,67867,a,asda,b" | awk  'function get_diff(x,y) {
	n=split(x,P,",");
	m=split(y,K,",");
	for(i=1;i<=n;i++){
	for(j=1;j<=m;j++){
	if(P[i] == K[j]){delete P[i]}}}
	for(i=1;i<=n;i++){if(P[i]){s=s?s","P[i]:P[i]}}
	print s
}
{
get_diff($1,$2)}'

 

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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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