RStudio粘贴到IDE时会截断长字符串-解决方法?

如何解决RStudio粘贴到IDE时会截断长字符串-解决方法?

我正在使用R 3.6.1和RStudio 1.3.1056。

使用paste()paste0()或什至c()或仅将字符串分配给对象将长字符串粘贴到RStudio中时,我得到一些奇怪的结果,看起来对于RStudio而言是唯一的(如果将代码直接放在R中,它就可以正常工作;为nchar()提供了正确的值):

thing <- paste0("(blah blah
                '100869017','100895297','100937037','100952542','100953872','100958290','100977291','100978521','100982570','100983764','100986439','100987969','100988635','100988637','100989748','100992594','100998300','100998306','101000068','101000556','101002036','101002550','101002813','101002871','101002872','101003492','101003787','101003789','101003830','101004348','101004349','101004400','101004401','101005323','101005738','101006388','101006411','101006413','101006414','101006416','101006417','101006419','101006440','101006441','101006442','101006443','101006444','101006445','101006446','101006447','101006448','101006449','101006450','101006451','101006452','101006453','101006454','101006455','101006456','101006457','101006458','101006554','101006588','101006608','101008736','101009658','101011518','101011680','101011681','101012457','101012495','101014157','101014197','101014240','101014244','101014248','101014301','101014302','101014303','101014304','101014358','101014480','101014481','101015219','101017560','101019383','101019396','101019454','101019480','101019481','101019567','101020977','101022585','101024007','101024436','101028376','101028377','101028405','101029814','101030739','101030940','101031364','101031368','101032356','101032399','101032440','101032441','101032442','101032443','101032444','101032462','101032468','101032482','101032483','101032484','101032485','101032486','101032487','101032488','101032489','101032590','101032591','101032735','101032987','101033456','101036227','101037275','101038196','101038279','101038930','101038932','101038938','101039576','101041116','101041233','101041288','101042815','101043166','101043280','101043281','101043282','101043285','101043288','101043307','101043302','101043329','101043405','101043837','101045392','101045635','101046419','101046440','101046441','101047082','101047224','101047227','101047275','101047281','101047286','101047287','101047288','101047290','101047293','101047295','101047297','101047304','101048355','101048439','101048480','101048905','101048921','101050905','101052305','101052442','101052448','101052449','101052480','101052481','101052485','101052487','101052489','101052522','101052550','101052551','101053187','101055017','101055036','101055039','101055220','101055258','101055313','101055316','101055317','101059567','101060256','101060554','101060810','101060817','101061738','101061739','101061762','101062369','101062469','101063528','101063909','101065440','101065471','101065473','101065536','101065760','101065784','101065805','101065813','101068343','101068346','101069329','101069472','101069478','101069771','101069871','101069902','101070895','101071301','101071303','101072911','101072914','101072915','101072944','101072946','101072949','101072972','101072981','101072984','101072985','101073389','101073806','101074467','101074469','101074650','101074709','101074721','101074869','101075639','101075881','101075887','101075888','101076841','101076843','101076884','101076885','101076889','101076930','101077036','101077872','101077877','101078006','101078141','101078834','101079626','101079624','101079658','101080128','101080146','101080341','101080389','101080732','101080738','101080931','101081744','101081745','101082123','101082443','101082445','101082447','101085919','101086763','101086774','101086801','101086915','101086964','101086965','101087006','101088057','101088465','101089884','101089915','101089945','101090159','101090197','101090225','101090226','101090227','101090229','101090293','101091218','101091232','101091238','101091239','101091635','101091655','101092773','101092997','101093029','101093064','101093067','101093255','101093344','101097283','101097668','101098444','101098514','101099068','101099073','101099076','101099141','101099170','101099172','101099173','101099175','101099177','101099178','101099194','101099204','101099206','101099581','101099666','101100002','101100179','101100492','101100617','101101080','101101088','101101091','101101092','101101115','101101117','101101150','101101158','101102050','101102086','101102101','101102108','101102169','101102650','101102712','101103376','101106299','101106618','101107257','101107277','101108114','101108119','101108670','101108702','101108707','101109772','101109774','101109779','101111022','101111029','101113873','101114376','101114390','101115163','101115246','101115247','101115357','101115358','101116813','101116819','101116870','101116877','101118108','101118175','101118178','101118277','101118441','101118449','101118471','101118505','101118631','101119051','101119448','101119914','101120073','101120076','101120127','101120292','101120334','101120387','101120389','101122367','101122822','101122881','101122886','101124670','101124838','101125490','101125610','101126329','101127340','101127341','101127342','101127343','101127346','101127347','101127360','101127853','101127855','101127856','101127857','101128128','101128126','101128132','101128135','101130135','101131523','101132622','101132648','101132850','101132870','101132931','101132938','101132990','101132994','101133104','101133206','101133248','101134597','101134599','101134611','101134649','101134661','101134704','101134771','101135221','101135276','101135278','101135409','101135444','101135518','101135630','101135633','101135632','101137571','101137750','101137812','101137875','101138237','101139907','101139931','101139968','101140076','101140148','101140181','101140250','101140253','101140460','101140462','101140466','101140469','101140518','101150986','101150987','101150990','101150994','101150995','101151373','101151376','101151416','101151418','101151419','101151434','101151437','101151891','101151974','101151978','101151979','101151996','101152030','101152031','101152032','101152037','101152062','101152063','101152066','101152068','101152069','101152070','101152072','101152073','101152074','101152077','101152078','101152080','101152081','101152083','101152085','101152087','101152088','101152089','101152100','101152103','101152105','101153684','101153944','101153966','101153996','101153999','101155013','101155141','101155149','101155311','101155560','101155880','101155882','101155883','101155884','101155905','101156458','101156459','101156511','101156524','101156546','101156547','101156596','101156611','101156641','101156664','101156752','101156786','101156801','101156842','101156885','101156888','101156892','101157753','101157844','101157881','101157905','101157927','101158001','101158011','101158025','101158028','101158034','101158061','101158081','101158084','101158103','101158107','101159736','101160183','101160203','101160234','101160373','101160377','101160381','101160378','101160451','101160551','101162202','101162245','101162247','101162249','101162492','101162538','101162585','101162595','101162627','101162630','101162634','101162792','101162848','101162876','101162904','101164138','101164337','101165132','101165133','101165134'
                blah blah)")
nchar(thing)

nchar()的输出为4130。实际上,nchar()应该显示7603。

为什么我要在脚本中执行类似的操作?在这种情况下,这是一个写入脚本并通过RStudio运行的SQL查询。

即使是陌生人也要删除字符串顶部和底部的“等等”:

thing <- paste0("'100869017','101165134'")

在这种情况下,控制台挂起+,就像在等待其他输入一样。

再次,以这些示例为例,将它们直接放入R中,nchar()提供了正确的计数。

最糟糕的部分是在第一个示例中,对象被创建但被截断,并且字符串的最后部分被保留,即结尾的“ blah blah”。这导致SQL查询排除某些条件-超过3400个字符的条件值!

如果有人要说这是编写SQL查询的丑陋方式,我会同意。而且我当然也不想在代码中的任何地方出现这么长的字符串,但是它们很有可能出现在用户不太熟悉R和RStudio的团队环境中。 据我所知,RStudio绝对不提供任何指示或警告。

除了拆分字符串或采购SQL脚本或文本文件之外,还有什么方法可以避免这种行为?

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