NAME Error::Pure::Output::Text - Output subroutines for Error::Pure. SYNOPSIS use Error::Pure::Output::Text qw(err_bt_pretty err_bt_pretty_rev err_line err_line_all err_print err_print_var); my $ret = err_bt_pretty(@errors); my @ret = err_bt_pretty(@errors); my $ret = err_bt_pretty_rev(@errors); my @ret = err_bt_pretty_rev(@errors); my $ret = err_line(@errors); my $ret = err_line_all(@errors); my $ret = err_print(@errors); my $ret = err_print_var(@errors); my @ret = err_print_var(@errors); SUBROUTINES "err_bt_pretty(@errors)" Returns string with full backtrace in scalar context. Returns array of full backtrace lines in array context. Format of error is: ERROR: %s %s: %s ... %s %s %s %s ... Values of error are: message message as key, $message as value ... sub, caller, program, line "err_bt_pretty_rev(@errors)" Reverse version of print for err_bt_pretty(). Returns string with full backtrace in scalar context. Returns array of full backtrace lines in array context. Format of error is: ERROR: %s %s: %s ... %s %s %s %s ... Values of error are: message message as key, $message as value ... sub, caller, program, line "err_line(@errors)" Returns string with error on one line. Use last error in @errors structure.. Format of error is: "#Error [%s:%s] %s\n" Values of error are: $program, $line, $message "err_line_all(@errors)" Returns string with errors each on one line. Use all errors in @errors structure. Format of error line is: "#Error [%s:%s] %s\n" Values of error line are: $program, $line, $message "err_print(@errors)" Print first error. If error comes from class, print class name before error. Returns string with error. "err_print_var(@errors)" Print first error with all variables. Returns error string in scalar mode. Returns lines of error in array mode. EXAMPLE1 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_bt_pretty); # Fictional error structure. my $err_hr = { 'msg' => [ 'FOO', 'KEY', 'VALUE', ], 'stack' => [ { 'args' => '(2)', 'class' => 'main', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'main', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }; # Print out. print scalar err_bt_pretty($err_hr); # Output: # ERROR: FOO # KEY: VALUE # main err script.pl 1 # main eval {...} script.pl 20 EXAMPLE2 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_line_all); # Fictional error structure. my @err = ( { 'msg' => [ 'FOO', 'BAR', ], 'stack' => [ { 'args' => '(2)', 'class' => 'main', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'main', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }, { 'msg' => ['XXX'], 'stack' => [ { 'args' => '', 'class' => 'main', 'line' => 2, 'prog' => 'script.pl', 'sub' => 'err', }, ], } ); # Print out. print err_line_all(@err); # Output: # #Error [script.pl:1] FOO # #Error [script.pl:2] XXX EXAMPLE3 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_line); # Fictional error structure. my $err_hr = { 'msg' => [ 'FOO', 'BAR', ], 'stack' => [ { 'args' => '(2)', 'class' => 'main', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'main', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }; # Print out. print err_line($err_hr); # Output: # #Error [script.pl:1] FOO EXAMPLE4 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_bt_pretty); # Fictional error structure. my @err = ( { 'msg' => [ 'FOO', 'BAR', ], 'stack' => [ { 'args' => '(2)', 'class' => 'main', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'main', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }, { 'msg' => ['XXX'], 'stack' => [ { 'args' => '', 'class' => 'main', 'line' => 2, 'prog' => 'script.pl', 'sub' => 'err', }, ], } ); # Print out. print scalar err_bt_pretty(@err); # Output: # ERROR: FOO # BAR # main err script.pl 1 # main eval {...} script.pl 20 # ERROR: XXX # main err script.pl 2 EXAMPLE5 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_bt_pretty_rev); # Fictional error structure. my @err = ( { 'msg' => [ 'FOO', 'BAR', ], 'stack' => [ { 'args' => '(2)', 'class' => 'main', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'main', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }, { 'msg' => ['XXX'], 'stack' => [ { 'args' => '', 'class' => 'main', 'line' => 2, 'prog' => 'script.pl', 'sub' => 'err', }, ], } ); # Print out. print scalar err_bt_pretty_rev(@err); # Output: # ERROR: XXX # main err script.pl 2 # ERROR: FOO # BAR # main err script.pl 1 # main eval {...} script.pl 20 EXAMPLE6 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_print); # Fictional error structure. my $err_hr = { 'msg' => [ 'FOO', 'BAR', ], 'stack' => [ { 'args' => '(2)', 'class' => 'main', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'main', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }; # Print out. print err_print($err_hr)."\n"; # Output: # FOO EXAMPLE7 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_print); # Fictional error structure. my $err_hr = { 'msg' => [ 'FOO', 'BAR', ], 'stack' => [ { 'args' => '(2)', 'class' => 'Class', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'mains', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }; # Print out. print err_print($err_hr)."\n"; # Output: # Class: FOO EXAMPLE8 # Pragmas. use strict; use warnings; # Modules. use Error::Pure::Output::Text qw(err_print_var); # Fictional error structure. my $err_hr = { 'msg' => [ 'FOO', 'KEY1', 'VALUE1', 'KEY2', 'VALUE2', ], 'stack' => [ { 'args' => '(2)', 'class' => 'main', 'line' => 1, 'prog' => 'script.pl', 'sub' => 'err', }, { 'args' => '', 'class' => 'main', 'line' => 20, 'prog' => 'script.pl', 'sub' => 'eval {...}', } ], }; # Print out. print scalar err_print_var($err_hr); # Output: # ERROR: FOO # KEY1: VALUE1 # KEY2: VALUE2 DEPENDENCIES Exporter, Readonly. SEE ALSO Task::Error::Pure Install the Error::Pure modules. REPOSITORY AUTHOR Michal Josef Špaček LICENSE AND COPYRIGHT © 2008-2018 Michal Josef Špaček BSD 2-Clause License VERSION 0.23