I’m just about to finish up my first ruby program, but I’m
stuck on one last part…I need equivlent of the below in ruby:
grep -v "^[[:space:]]#" filename | grep -v '^[[:space:]]$’
thanks in advance! I will send out final program once it’s
done.
todd
–
“This UI has been brought to you by the letters ‘S’ and ‘K’, and the runlevel 3.”
- Greg Andrews
I’m just about to finish up my first ruby program, but I’m
stuck on one last part…I need equivlent of the below in ruby:grep -v "[1]#" filename | grep -v '[2]$’
thanks in advance! I will send out final program once it’s
done.
$ cat <<-EOT >foo.rb
filename = ARGV[0]
File.open(filename) {
>file>
# some more test
file.each_line {
>line> # this shouldn’t get removed
next if line =~ /^\s*#/
next if line =~ /^\s*$/
puts line
}
}
EOT
$ ruby foo.rb foo.rb
filename = ARGV[0]
File.open(filename) {
>file>
file.each_line {
>line> # this shouldn’t get removed
next if line =~ /^\s*#/
next if line =~ /^\s*$/
puts line
}
}
$
That help?
– Dossy
On 2002.07.03, Todd Holloway todd@duckland.org wrote:
–
Dossy Shiobara mail: dossy@panoptic.com
Panoptic Computer Network web: http://www.panoptic.com/
“He realized the fastest way to change is to laugh at your own
folly – then you can let go and quickly move on.” (p. 70)
Hi,
In message “grep regex to ruby regex…” on 02/07/03, Todd Holloway todd@duckland.org writes:
I’m just about to finish up my first ruby program, but I’m
stuck on one last part…I need equivlent of the below in ruby:
File.foreach(filename) do |line|
next if /^\s*#/ =~ line
next if /^\s*$/ =~ line
print line
end
matz.
Hi,
At Wed, 3 Jul 2002 01:34:07 +0900, Todd Holloway wrote:
ruby -pe ‘$_ = “” if /[3](?:#|$)/’
ruby -ne 'print unless /[4](?:#|$)/’
–
Nobu Nakada
Todd Holloway wrote:
stuck on one last part…I need equivlent of the below in ruby:
ruby -nle ‘print unless /^\s*(#.*|)$/’ filename
–
… “Paradise is exactly like where you are right now … only much,
<|> much better.”
/|\ – Laurie Anderson
/|
Hi,
I’m just about to finish up my first ruby program, but I’m
stuck on one last part…I need equivlent of the below in ruby:File.foreach(filename) do |line|
next if /^\s*#/ =~ line
next if /^\s*$/ =~ line
print line
end
ruby -lne ‘print unless /\s*#/ or !/\S/’ filename
I’m golfing with the champ!
In message “grep regex to ruby regex…” > on 02/07/03, Todd Holloway todd@duckland.org writes:
matz.
–
Paul Duncan pabs@pablotron.org pabs in #gah (OPN IRC)
http://www.pablotron.org/ OpenPGP Key ID: 0x82C29562
[snipped]
ruby -lne ‘print unless /\s*#/ or !/\S/’ filename
Of course i forgot a carat; it should be “/^\s*#/”, as dblack pointed
out in #ruby-lang.
I’m golfing with the champ!
…right into a sand trap :(.
–
Paul Duncan pabs@pablotron.org pabs in #gah (OPN IRC)
http://www.pablotron.org/ OpenPGP Key ID: 0x82C29562
: > Hi,
: >
: > In message "grep regex to ruby regex..."
: > on 02/07/03, Todd Holloway <todd@duckland.org> writes:
: >
: > |I'm just about to finish up my first ruby program, but I'm
: > |stuck on one last part...I need equivlent of the below in ruby:
: > |
: > |grep -v "^[[:space:]]*#" filename | grep -v '^[[:space:]]*$'
: >
: > File.foreach(filename) do |line|
: > next if /^\s*#/ =~ line
: > next if /^\s*$/ =~ line
: > print line
: > end
:
: ruby -lne 'print unless /\s*#/ or !/\S/' filename
:
: I'm golfing with the champ!
:
Except matz wins because the oringal poster wants it as part of a
ruby program _not_ a one liner ruby program 
Regards,
Chris
On Tue, 02 Jul 2002 20:35:13 Paul Duncan wrote:
: * Yukihiro Matsumoto (matz@ruby-lang.org) wrote:
--
+------------------------------------------------------------------+
Chris Ross | chris@darkrock.co.uk | ctr@ferite.org |
> http://www.darkrock.co.uk | http://www.ferite.org |
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"Growing old is mandatory; growing up is optional."