but it seems is not working. What is wrong? is possible?
You can use an expression in place of the regular expression literal.
Be aware that the contents of any string literals used as part of a regular expression must traverse two parsers, first the string parser, then the regular expression parser. This is significant if you need to use escape sequences. To learn more, see the gawk manual: computed regular expressions (dynamic/computed regular expressions are not gawk specific, this was just a convenient link near the top of a web search).
hello
I want to do a pattern match for string in the if statement, but I am not sure how to use regex inside the if statement.
I am looking for something like this:
if {2,3} ]; then
.....
....
...
fi (7 Replies)
Hi!
I want to made a program that will generate code like this:
{{Navedi XYZ
|avtor=XYZ1
|naslov=XYZ2
|leto_izzida=XYZ3
|zalozba=XYZ4
|kraj=XYZ5
|isbn=XYZ6
|cobiss_id=XYZ7
}}
from input like this:
<b> ODGOVORNOST............. : <a... (5 Replies)
Hi,
I'm trying to write a routine to parse a file that contains data that will be read
into arrays. The file is composed of labels to identify data types and arbitrary
lines of data with the usual remarks and empty new lines as is common with
config files.
The initial pass is built as so:... (3 Replies)
hi everyone
suppose my input file is
ABC-12345
ABCD-12345
BCD-123456
i want to search the specific pattern which looks like
-
in a file so i used this command
cat $file | awk ' { if ($0 ~ /-/) { print } }'
so it gives me the result as
ABCD-12345
BCD-12345
BCD-12345
... (31 Replies)
Hi can you suggest in this regard
The sample.txt conatins the data
name lines type
sam 12 txt
sam 24 xls
sam 36 pdf
ram 32 txt
ram 45 sxls
ram 58 word
sam 92 jpeg
sam 21 gif
sam 22 ltf
from the data i need to sum all line... (5 Replies)
Hi all,
Can someone tell me what's the (g)awk equal of this simple regex to find ip addresses in urls:
egrep "^http://{1,3}\.{1,3}\.{1,3}\.{1,3}(:{1,5})?/"Input:
http://10.0.0.1/query.exe
http://11y10x09w:80/howaboutme
http://192.168.100.190:1234/takeme.gpg
Output:... (8 Replies)
I am having issues escaping special characters in my AWK script as follows:
for id in `cat file`
do
grep $id in file2 | awk '\
BEGIN {var=""} \
{ if ( /stringwith+'|'+'50'chars/ ) {
echo "do this"
} else if ( /anotherString/ ) {
echo "do that"
} else {
... (4 Replies)
push @MACARRAY, "$+{catalog} $+{machine}\n" if ($info =~ /(?<catalog>catalog).+?(?<machine>\*+)/ms);
I am (still) trying to solve problem. Looking around on the server I found this piece of code. Specifically what does "$+{catalog} $+{machine}\n"
do ?
Thanks in advance (1 Reply)
Hi folks,
I have a scenario to convert the update statements into insert statements using shell script (awk, sed...) or in database using regex.
I have a bunch of update statements with all columns in a file which I need to convert into insert statements.
UPDATE TABLE_A SET COL1=1 WHERE... (0 Replies)
Discussion started by: dev123
0 Replies
LEARN ABOUT SUNOS
re_comp
re_comp(3C) Standard C Library Functions re_comp(3C)NAME
re_comp, re_exec - compile and execute regular expressions
SYNOPSIS
#include <re_comp.h>
char *re_comp(const char *string);
int re_exec(const char *string);
DESCRIPTION
The re_comp() function converts a regular expression string (RE) into an internal form suitable for pattern matching. The re_exec() func-
tion compares the string pointed to by the string argument with the last regular expression passed to re_comp().
If re_comp() is called with a null pointer argument, the current regular expression remains unchanged.
Strings passed to both re_comp() and re_exec() must be terminated by a null byte, and may include NEWLINE characters.
The re_comp() and re_exec() functions support simple regular expressions, which are defined on the regexp(5) manual page. The regular
expressions of the form {m}, {m,}, or {m,n} are not supported.
RETURN VALUES
The re_comp() function returns a null pointer when the string pointed to by the string argument is successfully converted. Otherwise, a
pointer to one of the following error message strings is returned:
No previous regular expression
Regular expression too long
unmatched (
missing ]
too many () pairs
unmatched )
Upon successful completion, re_exec() returns 1 if string matches the last compiled regular expression. Otherwise, re_exec() returns 0 if
string fails to match the last compiled regular expression, and -1 if the compiled regular expression is invalid (indicating an internal
error).
ERRORS
No errors are defined.
USAGE
For portability to implementations conforming to X/Open standards prior to SUS, regcomp(3C) and regexec(3C) are preferred to these func-
tions. See standards(5).
SEE ALSO grep(1), regcmp(1), regcmp(3C), regcomp(3C), regexec(3C), regexpr(3GEN), regexp(5), standards(5)SunOS 5.10 26 Feb 1997 re_comp(3C)