I've run into this before; and am having a spot of trouble trying to figure out the way that Perl would prefer the following example syntax to be formed:
Code:
#!/usr/bin/perl
use strict;
use warnings;
use diagnostics;
`sed -i 's/Hi Mom!\|Hi Dad!/Bye Everyone!/I' ./test.txt`;
Perl doesn't throw a fit; but sed simply looks at you funny and does nothing at all...
So, while there are "sleeker" ways of handling this with pure perl, this type of issue has bugged me for a bit. Any ideas as to how one might pull things together syntaxwise to make it tick over???
is it possible to escape the \ character in sed?
right now I'm trying to replace all occurances of \ with \\
sed \"s|test|test_replacement|g\" file1 > output; #this works fine
sed \"s|\\|\\\|g\" file1 > output; #this generates the following error:
sed: -e expression #1, char 17:... (1 Reply)
I have one File named "txt_file"
# cat txt_file
<DBType>RT</DBType>
<AppType>RT</AppType>
--------------------------------------------------
I want replace "<AppType>RT</AppType>" to
<AppType>XY</AppType> in txt_file and output redirect to Newfile
... (2 Replies)
I am aware that Perl has a lot of features that originally came from sed and awk. I have a pattern that I am using like this:
sed -n '/|Y|/p'
I want to do the same thing in Perl and be able to either save that value in some kind of variable or array or potentially write it out to a file.
... (11 Replies)
Hi All,
How do i write in sed for the 6th and 7th field of etc/passwd file as it involves "/" character?
Does mine below is correct? It's incomplete script as i need help with syntax as i always getting may errors :(
Example of etc/passwd file:
blah:x:1055:600:blah... (6 Replies)
Hi all,
I have a script which uses sed to replace one string with another. The problem is, the string to be matched, and its replacement are coming in as two command line arguments $1 and $2
$1 and $2 can be absolutely anything, but both should be treated purely as strings. My sed command... (7 Replies)
my @array;
my $sepa = "|";
print $sepa;
open FH, "<100_20091023_2.txt";
while(<FH>){
push @array, split(/\$sepa/, $_);
print "@array\n\n";
}
I am not able split the line which have | separated (1 Reply)
Hi,
I am facing an issue with sed in perl. I have a file which has 2 header lines and one trailer line. I need to process the file without these headers and trailer. My file looks like :
File.txt:-
Header1
Header2
data1
data2
trailer
For removing header and trailer from file I am using... (5 Replies)
Hi all,
I've got a problem with sed. Want to use it to add escape character \ before $ and ' symbols so
condition='1'$some will become condition=\'1\'\$some
echo "condition='1'$some" | sed 's/\($\)/\\\1/g'
is not working properly. Can somebody help me with this please?
Regards,... (7 Replies)
i have string as below
str=".<date>"
in which i need to replace < with /< , when i tried with sed , got the output.
--> echo $str | sed 's/</\\</g'
.\<date>
when i tried to assign it to a variable , i am not getting the same
--> a=`echo $str | sed 's/</\\</g'` ; echo $a... (4 Replies)
Hello,
I am running ubuntu 16.04
I searched "how to replace dot by % using sed" but no luck.
file
My.Name.Is.Earl
Expected output
My%Name%Is%Earl
I tried:
sed -i "s|.||g" file
sed -i "s|.|{%}|g" file
sed -i "s|.|\%|g" file
I'd appreciate your help
Thank you
Boris (6 Replies)
Discussion started by: baris35
6 Replies
LEARN ABOUT ULTRIX
calendar
calendar(1) General Commands Manual calendar(1)Name
calendar - calendar reminder service
Syntax
calendar [-]
Description
The command consults the file `calendar' in the current directory and prints out lines that contain today's or tomorrow's date. The com-
mand recognizes most month-day dates, such as Dec. 7, december 7, 12/7, but it does not recognize dates formatted in the following ways: 7
December or 7/12. If you give the month as * with a date, such as, * 1, that day in any month will do. On weekends, specifying tomorrow
extends through Monday.
When an argument is present, the command searches through a user's calendar file in his login directory and sends him any positive results
by Normally this is done daily under control of
The calendar file is first run through the C preprocessor, to include any other calendar files specified with the #include syntax.
Included calendars are shared by all users, and are maintained and documented by the local administration.
Options
- Functions for every user who has a calendar file in his login directory.
Restrictions
The extended idea of tomorrow does not account for holidays.
Files
calendar
/usr/lib/calendar to figure out today's and tomorrow's dates
/etc/passwd
/tmp/cal*
/lib/cpp, egrep, sed, mail as subprocesses
See Alsoat(1), cron(8), mail(1)calendar(1)
10-30-2014
