library(sf)
## Linking to GEOS 3.5.1, GDAL 2.2.2, proj.4 4.9.2
setwd("/home/michael/Dropbox/Layers/Tel-Aviv/buildings/")

dirs = list.dirs()[-1]

dat = list()
for(i in dirs) {
  dat[[i]] =
    i %>%
    file.path("Buildings.shp") %>%
    st_read(stringsAsFactors = FALSE, quiet = TRUE)
}
dat = do.call(rbind, dat)

# Before
dat
## Simple feature collection with 76773 features and 9 fields
## geometry type:  POLYGON
## dimension:      XY
## bbox:           xmin: 664609.2 ymin: 3545070 xmax: 674306.6 ymax: 3557875
## epsg (SRID):    32636
## proj4string:    +proj=utm +zone=36 +datum=WGS84 +units=m +no_defs
## First 10 features:
##                             oidmivne idbinyan tsugmivne mskomot shemmivne
## ./export_20171227_105017.1     20602    22014 מבנה רגיל       3      <NA>
## ./export_20171227_105017.2     20603    22015 מבנה רגיל       1      <NA>
## ./export_20171227_105017.3     20604    22016 מבנה רגיל       7      <NA>
## ./export_20171227_105017.4     20605    22018 מבנה רגיל       1      <NA>
## ./export_20171227_105017.5     20606    22019 מבנה רגיל       2      <NA>
## ./export_20171227_105017.6     20607    22020 מבנה רגיל       2      <NA>
## ./export_20171227_105017.7     20608    22021 מבנה רגיל       1      <NA>
## ./export_20171227_105017.8     20609    22023 מבנה רגיל       1      <NA>
## ./export_20171227_105017.9     20610    22024 מבנה רגיל       5      <NA>
## ./export_20171227_105017.10    20611    22025 מבנה רגיל       1      <NA>
##                             tamudim          dateimport idbinyanor
## ./export_20171227_105017.1       לא 26/12/2017 02:31:29     100124
## ./export_20171227_105017.2       לא 26/12/2017 02:31:29      50017
## ./export_20171227_105017.3       כן 26/12/2017 02:31:29      50515
## ./export_20171227_105017.4       לא 26/12/2017 02:31:29      50480
## ./export_20171227_105017.5       לא 26/12/2017 02:31:29      53998
## ./export_20171227_105017.6       לא 26/12/2017 02:31:29      98769
## ./export_20171227_105017.7       לא 26/12/2017 02:31:29      93545
## ./export_20171227_105017.8       לא 26/12/2017 02:31:29     100599
## ./export_20171227_105017.9       כן 26/12/2017 02:31:29     100650
## ./export_20171227_105017.10      לא 26/12/2017 02:31:29     100601
##                             gova2009                       geometry
## ./export_20171227_105017.1        10 POLYGON ((670664.8 3555873,...
## ./export_20171227_105017.2         6 POLYGON ((669067.8 3555585,...
## ./export_20171227_105017.3        27 POLYGON ((669490.3 3555445,...
## ./export_20171227_105017.4        37 POLYGON ((669205.5 3556111,...
## ./export_20171227_105017.5         5 POLYGON ((670521.2 3555246,...
## ./export_20171227_105017.6         5 POLYGON ((670642.8 3555382,...
## ./export_20171227_105017.7         8 POLYGON ((670530.1 3555467,...
## ./export_20171227_105017.8         9 POLYGON ((669137.9 3555220,...
## ./export_20171227_105017.9        30 POLYGON ((669191.2 3555249,...
## ./export_20171227_105017.10        9 POLYGON ((669136.3 3555261,...
# Remove duplicates
dupl = duplicated(dat$oidmivne)
dat = dat[!dupl, ]

# After
dat
## Simple feature collection with 47103 features and 9 fields
## geometry type:  POLYGON
## dimension:      XY
## bbox:           xmin: 664609.2 ymin: 3545070 xmax: 674306.6 ymax: 3557875
## epsg (SRID):    32636
## proj4string:    +proj=utm +zone=36 +datum=WGS84 +units=m +no_defs
## First 10 features:
##                             oidmivne idbinyan tsugmivne mskomot shemmivne
## ./export_20171227_105017.1     20602    22014 מבנה רגיל       3      <NA>
## ./export_20171227_105017.2     20603    22015 מבנה רגיל       1      <NA>
## ./export_20171227_105017.3     20604    22016 מבנה רגיל       7      <NA>
## ./export_20171227_105017.4     20605    22018 מבנה רגיל       1      <NA>
## ./export_20171227_105017.5     20606    22019 מבנה רגיל       2      <NA>
## ./export_20171227_105017.6     20607    22020 מבנה רגיל       2      <NA>
## ./export_20171227_105017.7     20608    22021 מבנה רגיל       1      <NA>
## ./export_20171227_105017.8     20609    22023 מבנה רגיל       1      <NA>
## ./export_20171227_105017.9     20610    22024 מבנה רגיל       5      <NA>
## ./export_20171227_105017.10    20611    22025 מבנה רגיל       1      <NA>
##                             tamudim          dateimport idbinyanor
## ./export_20171227_105017.1       לא 26/12/2017 02:31:29     100124
## ./export_20171227_105017.2       לא 26/12/2017 02:31:29      50017
## ./export_20171227_105017.3       כן 26/12/2017 02:31:29      50515
## ./export_20171227_105017.4       לא 26/12/2017 02:31:29      50480
## ./export_20171227_105017.5       לא 26/12/2017 02:31:29      53998
## ./export_20171227_105017.6       לא 26/12/2017 02:31:29      98769
## ./export_20171227_105017.7       לא 26/12/2017 02:31:29      93545
## ./export_20171227_105017.8       לא 26/12/2017 02:31:29     100599
## ./export_20171227_105017.9       כן 26/12/2017 02:31:29     100650
## ./export_20171227_105017.10      לא 26/12/2017 02:31:29     100601
##                             gova2009                       geometry
## ./export_20171227_105017.1        10 POLYGON ((670664.8 3555873,...
## ./export_20171227_105017.2         6 POLYGON ((669067.8 3555585,...
## ./export_20171227_105017.3        27 POLYGON ((669490.3 3555445,...
## ./export_20171227_105017.4        37 POLYGON ((669205.5 3556111,...
## ./export_20171227_105017.5         5 POLYGON ((670521.2 3555246,...
## ./export_20171227_105017.6         5 POLYGON ((670642.8 3555382,...
## ./export_20171227_105017.7         8 POLYGON ((670530.1 3555467,...
## ./export_20171227_105017.8         9 POLYGON ((669137.9 3555220,...
## ./export_20171227_105017.9        30 POLYGON ((669191.2 3555249,...
## ./export_20171227_105017.10        9 POLYGON ((669136.3 3555261,...