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I need to read a file line by line, then depending on the contents of each line, type in a code that will get written to an array.
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I have a txt file with several columns and i want to peform an operation on two columns and output it to a new txt file .
file.txt
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4
4
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Hello,
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...
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5. Shell Programming and Scripting
cat myname.txt
John Doe I
John Doe II
John Doe III
-----------------------------------------------------------------------
for i in `cat myname.txt`
do
echo This is my name: $i >> thi.is.my.name.txt
done
-----------------------------------------------------------------------
cat... (1 Reply)
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Dear Brothers and Sisters ,
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i am new user of unix.i have a question.My script is-
export STR_ALFA=`head -2 "${FILE_PATH}"|tail -1|cut -d"," -f1`
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Hi
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9. Shell Programming and Scripting
Hello,
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Msgcat(3pm) User Contributed Perl Documentation Msgcat(3pm)
NAME
Locale::Msgcat - Perl extension for blah blah blah
SYNOPSIS
use Locale::Msgcat;
$cat = new Locale::Msgcat;
$rc = $cat->catopen(name, oflag);
$msg = $cat->catgets(set_number, message_number, string);
$rc = $cat->catclose();
DESCRIPTION
The Locale::Msgcat module allows access to the message catalog functions which are available on some systems. A new Locale::Msgcat object
must first be created for each catalog which has to be open at a given time.
The catopen operation opens the catalog whose name is given as argument. The oflag can be either 0 or NL_CAT_LOCALE (usually 1) which is
the recommended value.
The catgets message retrieves message_number for the set_number message set, and if not found returns string.
The catclose function should be used when access to a catalog is not needed anymore.
EXAMPLES
use Locale::Msgcat;
$cat = new Locale::Msgcat;
unless ($cat->catopen("whois.cat", 1)) {
print STDERR "Can't open whois catalog.
";
exit(1);
}
printf "First message, first set : %s
", $cat->catgets(1, 1, "not found");
unless ($cat->catclose()) {
print STDERR "Can't close whois catalog.
";
exit(1);
}
The above example would print the first message from the first message set found in the whois catalog, or if not found it would print "not
found".
AUTHOR
Christophe Wolfhugel, wolf@pasteur.fr
SEE ALSO
catopen(3), catclose(3), catgets(3), perl(1).
perl v5.14.2 1999-11-15 Msgcat(3pm)