chomp

Perl: After Chomping a string, it does not print the string's value

爷,独闯天下 提交于 2019-12-31 03:38:04
问题 So I am currently trying to write a perl script that reads to a file and writes to another. Currently, the problem that I have been having is removing new line characters from parsed rows.I feed in a file like this BetteDavisFilms.txt 1. Wicked Stepmother (1989) as Miranda A couple comes home from vacation to find that their grandfather has … 2. Directed By William Wyler (1988) as Herself During the Golden Age of Hollywood, William Wyler was one of the … 3. Whales of August, The (1987) as

How to remove leading and trailing zeros in a string? Python

廉价感情. 提交于 2019-12-28 01:55:09
问题 I have several alphanumeric strings like these listOfNum = ['000231512-n','1209123100000-n00000','alphanumeric0000', '000alphanumeric'] The desired output for removing trailing zeros would be: listOfNum = ['000231512-n','1209123100000-n','alphanumeric', '000alphanumeric'] The desired output for leading trailing zeros would be: listOfNum = ['231512-n','1209123100000-n00000','alphanumeric0000', 'alphanumeric'] The desire output for removing both leading and trailing zeros would be: listOfNum =

Do we have an autochomp in Perl?

独自空忆成欢 提交于 2019-12-19 17:41:16
问题 This is what my Perl code looks like for monitoring a Unix folder : #!/usr/bin/perl use strict; use warnings; use File::Spec::Functions; my $date = `date`; chomp $date; my $datef = `date +%Y%m%d%H%M.%S`; chomp $datef; my $pwd = `pwd`; chomp $pwd; my $cache = catfile($pwd, "cache"); my $monitor = catfile($pwd, "monme"); my $subject = '...'; my $msg = "..."; my $sendto = '...'; my $owner = '...'; sub touchandmail { `touch $cache -t "$datef"`; `echo "$msg" | mail -s "$subject" $owner -c $sendto`

chomp in perl not working as expected

时间秒杀一切 提交于 2019-12-19 09:49:38
问题 I found a strange behavior of chomp in Perl and I am unable to comprehend why is chomp is working like this. The following line does not work as expected if ( chomp($str1) eq chomp($str2) ) But, the following works fine chomp $str1; chomp $str2; if ( $str1 eq $str2 ) Can you please give some insight in this behavior of chomp? 回答1: chomp modifies its argument. It does not return a modified argument. The second example is, in fact, how you're supposed to use it. edit : perldoc -f chomp says:

Java How to remove carriage return (HEX 0A) from String?

ぃ、小莉子 提交于 2019-12-11 04:36:18
问题 If a particular String contains a newline character that is invisible (not \n but is 0A in hexadecimal because this value is passed down from the database), how can i able to chomp it away? Will Apache Chomp help? http://commons.apache.org/lang/api-2.5/org/apache/commons/lang/StringUtils.html#chomp(java.lang.String) The hex form of the text returned from the database is "5761 6920 4D61 6E0D 0A" It translates to "Wai Man" with a carriage return. 回答1: You can use a regular expression String

How do I handle/store multiple lines into a single field read from a file in perl?

雨燕双飞 提交于 2019-12-10 19:29:19
问题 I am trying to process a text file in perl. I need to store the data from the file into a database. The problem that I'm having is that some fields contain a newline, which throws me off a bit. What would be the best way to contain these fields? Example data.txt file: ID|Title|Description|Date 1|Example 1|Example Description|10/11/2011 2|Example 2|A long example description Which contains a bunch of newlines|10/12/2011 3|Example 3|Short description|10/13/2011 The current (broken) Perl script

Perl: After Chomping a string, it does not print the string's value

ぐ巨炮叔叔 提交于 2019-12-02 02:41:35
So I am currently trying to write a perl script that reads to a file and writes to another. Currently, the problem that I have been having is removing new line characters from parsed rows.I feed in a file like this BetteDavisFilms.txt 1. Wicked Stepmother (1989) as Miranda A couple comes home from vacation to find that their grandfather has … 2. Directed By William Wyler (1988) as Herself During the Golden Age of Hollywood, William Wyler was one of the … 3. Whales of August, The (1987) as Libby Strong Drama revolving around five unusual elderly characters, two of whom … Ultimately I am trying

Clarification on chomp

老子叫甜甜 提交于 2019-12-01 16:36:51
I'm on break from classes right now and decided to spend my time learning Perl. I'm working with Beginning Perl ( http://www.perl.org/books/beginning-perl/ ) and I'm finishing up the exercises at the end of chapter three. One of the exercises asked that I "Store your important phone numbers in a hash. Write a program to look up numbers by the person's name." Anyway, I had come up with this: #!/usr/bin/perl use warnings; use strict; my %name_number= ( Me => "XXX XXX XXXX", Home => "YYY YYY YYYY", Emergency => "ZZZ ZZZ ZZZZ", Lookup => "411" ); print "Enter the name of who you want to call (Me,

Do we have an autochomp in Perl?

自古美人都是妖i 提交于 2019-12-01 16:15:19
This is what my Perl code looks like for monitoring a Unix folder : #!/usr/bin/perl use strict; use warnings; use File::Spec::Functions; my $date = `date`; chomp $date; my $datef = `date +%Y%m%d%H%M.%S`; chomp $datef; my $pwd = `pwd`; chomp $pwd; my $cache = catfile($pwd, "cache"); my $monitor = catfile($pwd, "monme"); my $subject = '...'; my $msg = "..."; my $sendto = '...'; my $owner = '...'; sub touchandmail { `touch $cache -t "$datef"`; `echo "$msg" | mail -s "$subject" $owner -c $sendto`; } while(1) { $date = `date`; chomp $date; $datef = `date +%Y%m%d%H%M.%S`; chomp $datef; if (! -e "

Clarification on chomp

╄→гoц情女王★ 提交于 2019-12-01 15:47:16
问题 I'm on break from classes right now and decided to spend my time learning Perl. I'm working with Beginning Perl (http://www.perl.org/books/beginning-perl/) and I'm finishing up the exercises at the end of chapter three. One of the exercises asked that I "Store your important phone numbers in a hash. Write a program to look up numbers by the person's name." Anyway, I had come up with this: #!/usr/bin/perl use warnings; use strict; my %name_number= ( Me => "XXX XXX XXXX", Home => "YYY YYY YYYY"