Hi all,
I know the one liner to delete all the lines in a file which matches a pattern
i.e
perl -i.old -ne 'print unless /pattern/' file
Now i need the perl onliner to delete all the lines which doesnt match the pattern. Also what is the difference between perl -i and perl -i.old.
Does... (1 Reply)
Dear All,
I am looking for an option in perl using which i could delete empty lines in a file.
Or
the alternative of sed '/^$/d' <filename> in perl. Sed is not working in my perl script :(
Pls help me out .
Thanks,
VG (4 Replies)
I have a file with varying record length in it. I need to reformat this file so that each line will have a length of 100 characters (99 characters + the line feed).
AU * A01 EXPENSE 6990370000 CWF SUBC TRAVEL & MISC
MY * A02 RESALE 6990788000 Y... (3 Replies)
to delete the duplicate characters in a file I used this code
cat file.txt|tr -s ""
tell the other ways using sed
command to count of duplicate characters
thanks:) (0 Replies)
How can I specify special meaning characters like ^ or $ inside a regex range. e.g
Suppose I want to search for a string that either starts with '|' character or begins with start-of-line character.
I tried the following but it does not work:
sed 's/\(\)/<do something here>/g' file1
... (3 Replies)
I want to delete all the blank lines from a file before a certain line number. e.g.
Input file (n: denotes line number)
1: a
2:
3: b
4: c
5:
6: d
I want to delete all blank lines before line number 3, such that my output is:
a
b
c
d
I see that sed '/^$/d' in_file works... (9 Replies)
hi Gurus,
I need separate a file which is one huge line to multiple lines based on certain number of charactors. for example:
abcdefghi high abaddffdd
I want to separate the line to multiple lines for every 4 charactors.
the result should be
abcd
efgh
i hi
gh a
badd
ffdd
Thanks in... (5 Replies)
I have a test file with the following format, It contains the username_date when the user was locked from the database.
$ cat lockedusers.txt
TEST1_21062016
TEST2_02122015
TEST3_01032016
TEST4_01042016
I'm writing a ksh script and faced with this difficult scenario for my... (11 Replies)
here's what im trying to do.
i have a file containing lines similar to this:
data.txt:
1hsRmRsbHRiSFZNTTA1dlEyMWFkbU5wUW5CSlIyeDFTVU5SYjJOSFRuWmpia0ZuWXpKV2FHTnRU
1lKUnpWMldrZFZaMG95V25oYQpSelEyWTBka2QyRklhSHBrUjA1b1kwUkJkd3BOVXpWM1lVaG5k... (5 Replies)
Discussion started by: SkySmart
5 Replies
LEARN ABOUT XFREE86
projects
projects(1) User Commands projects(1)NAME
projects - print project membership of user
SYNOPSIS
projects [-dv] [ user]
projects -l [projectname [projectname...]]
DESCRIPTION
The projects command prints on standard output the projects to which the invoking user or an optionally specified user belongs. Each user
belongs to some set of projects specified in the project(4) file and possibly in the associated NIS maps and LDAP databases for project
information.
OPTIONS
The following options are supported:
-d Prints only default project.
-l Prints verbose info on each project projectname. If no projectnames are given, info on all projects is printed.
-v Prints project descriptions along with project names.
OPERANDS
The following operand is supported:
projectnaDisplay information for the specified project.
user Displays project memberships for the specified user.
EXAMPLES
Example 1: Displaying Membership for a Specified User
example$ projects paul
default beatles wings
example$ projects ringo
default beatles
example$ projects -d paul
beatles
EXIT STATUS
The following exit values are returned:
0 Successful completion.
1 A fatal error occurred during execution.
2 Invalid command line options were specified.
FILES
/etc/project Local database containing valid project definitions for this machine.
ATTRIBUTES
See attributes(5) for a description of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Stability |See below. |
+-----------------------------+-----------------------------+
The invocation is Evolving. The human-readable output is Unstable.
SEE ALSO getdefaultproj(3PROJECT), getprojent(3PROJECT), project(4), attributes(5)SunOS 5.10 13 May 2004 projects(1)