10-03-2008
Quote:
Originally Posted by
spkandy
Hi Experts,
I need to extract some set of strings one be one using delimiter.
Example:
shellscript.sh|unix.sh|script_file.sh
i need to extract this shellscript.sh,unix.sh,script_file.sh
separately.
in perl
1.
#!perl
$a='shellscript.sh|unix.sh|script_file.sh';
@a=split('|',$a);
foreach( @a ) { print "$_\n"; }
2.
echo "shellscript.sh|unix.sh|script_file.sh" | perl -n -e 's/\|/ /g; print'
in sed
echo "shellscript.sh|unix.sh|script_file.sh" | sed 's/\|/ /g'
in bash3
echo "shellscript.sh|unix.sh|script_file.sh" | s/\|/ /g;
and so on
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LEARN ABOUT REDHAT
strsep
STRSEP(3) Linux Programmer's Manual STRSEP(3)
NAME
strsep - extract token from string
SYNOPSIS
#include <string.h>
char *strsep(char **stringp, const char *delim);
DESCRIPTION
If *stringp is NULL, the strsep() function returns NULL and does nothing else. Otherwise, this function finds the first token in the string
*stringp, where tokens are delimited by symbols in the string delim. This token is terminated with a ` ' character (by overwriting the
delimiter) and *stringp is updated to point past the token. In case no delimiter was found, the token is taken to be the entire string
*stringp, and *stringp is made NULL.
RETURN VALUE
The strsep() function returns a pointer to the token, that is, it returns the original value of *stringp.
NOTES
The strsep() function was introduced as a replacement for strtok(), since the latter cannot handle empty fields. However, strtok() con-
forms to ANSI-C and hence is more portable.
BUGS
This function suffers from the same problems as strtok(). In particular, it modifies the original string. Avoid it.
CONFORMING TO
BSD 4.4
SEE ALSO
index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strspn(3), strstr(3), strtok(3)
GNU
1993-04-12 STRSEP(3)