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Full Discussion: Python for text manipulating
Top Forums Programming Python for text manipulating Post 302933884 by johankor on Monday 2nd of February 2015 05:32:34 PM
Old 02-02-2015
Python for text manipulating

Dear All,

I am trying to write a python code for reading a fixed number of lines from a big file then save those pieces into another file as columns. I think sample file is necessary for understanding:

Sample Input file:
Code:
Epi. dist.(km)=       0.8100E+02
0.7466E-07  0.4942E-07  0.7133E-07  0.6010E-07  0.1123E-06  0.4819E-07  0.9435E-07  0.6491E-07  0.6051E-07  0.5202E-07
0.1647E-06  0.5267E-07  0.5724E-07  0.1031E-06  0.1143E-06  0.4776E-07  0.3594E-06  0.4832E-07  0.7363E-07  0.1009E-06
0.6381E-07  0.6170E-07  0.6429E-07  0.9720E-07  0.4749E-07  0.6851E-07  0.1585E-06  0.8395E-07  0.4581E-07  0.7321E-07


Epi. dist.(km)=       0.8200E+02
0.2102E-06  0.9821E-07  0.6322E-07  0.1665E-06  0.5524E-06  0.6590E-07  0.1916E-06  0.1292E-06  0.1104E-06  0.8035E-06
0.6358E-06  0.4661E-07  0.9605E-07  0.1492E-06  0.1093E-06  0.1931E-05  0.7120E-07  0.9829E-07  0.1230E-05  0.4093E-06
0.1910E-06  0.2032E-06  0.9052E-07  0.5392E-07  0.5534E-06  0.9899E-07  0.1620E-06  0.1220E-06  0.1220E-06  0.3248E-06


Epi. dist.(km)=       0.8300E+02
0.5564E-07  0.8314E-07  0.8364E-07  0.3975E-07  0.4601E-07  0.4936E-07  0.5480E-07  0.1290E-06  0.4882E-07  0.4571E-07
0.1229E-06  0.2128E-06  0.8432E-07  0.9233E-07  0.4091E-07  0.5957E-07  0.7815E-07  0.6687E-07  0.5402E-07  0.6230E-07
0.6264E-07  0.1231E-06  0.6061E-07  0.4451E-07  0.7700E-07  0.3504E-07  0.1151E-06  0.1150E-06  0.5685E-07  0.5579E-07

.
.
.

So there are blocks in the file that starts with "Epi dist", I need to extract those blocks(without Epi.dist line) then save them as columns into another file. There are 20 similar blocks in the file and each block is 135 lines long(excluding Epi.dist line).


Sample output file:
Code:
0.7466E-07 0.2102E-06 0.5564E-07
0.4942E-07 0.9821E-07 0.8314E-07
0.7133E-07 0.6322E-07 0.8364E-07
0.6010E-07 0.1665E-06 0.3975E-07
0.1123E-06 0.5524E-06 0.4601E-07
0.4819E-07 0.6590E-07 0.4936E-07
0.9435E-07 0.1916E-06 0.5480E-07
0.6491E-07 0.1292E-06 0.1290E-06
0.6051E-07 0.1104E-06 0.4882E-07
0.5202E-07 0.8035E-06 0.4571E-07
0.1647E-06 0.6358E-06 0.1229E-06
0.5267E-07 0.4661E-07 0.2128E-06
0.5724E-07 0.9605E-07 0.8432E-07
0.1031E-06 0.1492E-06 0.9233E-07
0.1143E-06 0.1093E-06 0.4091E-07
0.4776E-07 0.1931E-05 0.5957E-07
0.3594E-06 0.7120E-07 0.7815E-07
0.4832E-07 0.9829E-07 0.6687E-07
0.7363E-07 0.1230E-05 0.5402E-07
0.1009E-06 0.4093E-06 0.6230E-07
0.6381E-07 0.1910E-06 0.6264E-07
0.6170E-07 0.2032E-06 0.1231E-06
0.6429E-07 0.9052E-07 0.6061E-07
0.9720E-07 0.5392E-07 0.4451E-07
0.4749E-07 0.5534E-06 0.7700E-07
0.6851E-07 0.9899E-07 0.3504E-07
0.1585E-06 0.1620E-06 0.1151E-06
0.8395E-07 0.1220E-06 0.1150E-06
0.4581E-07 0.1220E-06 0.5685E-07
0.7321E-07 0.3248E-06 0.5579E-07

I hope I did a good job explaining my problem. Could you help me out?
 

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CPANPLUS::Dist(3pm)					 Perl Programmers Reference Guide				       CPANPLUS::Dist(3pm)

NAME
CPANPLUS::Dist SYNOPSIS
my $dist = CPANPLUS::Dist::YOUR_DIST_TYPE_HERE->new( module => $modobj, ); DESCRIPTION
"CPANPLUS::Dist" is a base class for "CPANPLUS::Dist::MM" and "CPANPLUS::Dist::Build". Developers of other "CPANPLUS::Dist::*" plugins should look at "CPANPLUS::Dist::Base". ACCESSORS
parent() Returns the "CPANPLUS::Module" object that parented this object. status() Returns the "Object::Accessor" object that keeps the status for this module. STATUS ACCESSORS
All accessors can be accessed as follows: $deb->status->ACCESSOR created() Boolean indicating whether the dist was created successfully. Explicitly set to 0 when failed, so a value of "undef" may be interpreted as "not yet attempted". installed() Boolean indicating whether the dist was installed successfully. Explicitly set to 0 when failed, so a value of "undef" may be interpreted as "not yet attempted". uninstalled() Boolean indicating whether the dist was uninstalled successfully. Explicitly set to 0 when failed, so a value of "undef" may be interpreted as "not yet attempted". dist() The location of the final distribution. This may be a file or directory, depending on how your distribution plug in of choice works. This will be set upon a successful create. $dist = CPANPLUS::Dist::YOUR_DIST_TYPE_HERE->new( module => MODOBJ ); Create a new "CPANPLUS::Dist::YOUR_DIST_TYPE_HERE" object based on the provided "MODOBJ". *** DEPRECATED *** The optional argument "format" is used to indicate what type of dist you would like to create (like "CPANPLUS::Dist::MM" or "CPANPLUS::Dist::Build" and so on ). "CPANPLUS::Dist->new" is exlusively meant as a method to be inherited by "CPANPLUS::Dist::MM|Build". Returns a "CPANPLUS::Dist::YOUR_DIST_TYPE_HERE" object on success and false on failure. @dists = CPANPLUS::Dist->dist_types; Returns a list of the CPANPLUS::Dist::* classes available $bool = CPANPLUS::Dist->rescan_dist_types; Rescans @INC for available dist types. Useful if you've installed new "CPANPLUS::Dist::*" classes and want to make them available to the current process. $bool = CPANPLUS::Dist->has_dist_type( $type ) Returns true if distribution type $type is loaded/supported. $bool = $dist->prereq_satisfied( modobj => $modobj, version => $version_spec ) Returns true if this prereq is satisfied. Returns false if it's not. Also issues an error if it seems "unsatisfiable," i.e. if it can't be found on CPAN or the latest CPAN version doesn't satisfy it. $configure_requires = $dist->find_configure_requires( [file => /path/to/META.yml] ) Reads the configure_requires for this distribution from the META.yml file in the root directory and returns a hashref with module names and versions required. $bool = $dist->_resolve_prereqs( ... ) Makes sure prerequisites are resolved format The dist class to use to make the prereqs (ie. CPANPLUS::Dist::MM) prereqs Hash of the prerequisite modules and their versions target What to do with the prereqs. create => Just build them install => Install them ignore => Ignore them prereq_build If true, always build the prereqs even if already resolved verbose Be verbose force Force the prereq to be built, even if already resolved perl v5.12.1 2010-04-26 CPANPLUS::Dist(3pm)
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