1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
|
module utilities
#ifdef WINDOWS
character, parameter::dir_sep = '\'
#else
character, parameter::dir_sep = '/'
#endif
integer, parameter::DIR_LIST_STRING_LENGTH = 128
interface replace_field
module procedure replace_field_text
module procedure replace_field_int
end interface
contains
function is_absolute_path(path)
implicit none
logical::is_absolute_path
character(len=*), intent(in)::path
is_absolute_path = .false.
if(path(1:1) == dir_sep) then
is_absolute_path = .true.
else
#ifdef WINDOWS
if(path(2:2) == ":") then
is_absolute_path = .true.
end if
#endif
end if
end function is_absolute_path
subroutine combine_paths(first, second, res)
implicit none
character(len=*), intent(in)::first, second
character(len=*), intent(out)::res
integer::i
i = len_trim(first)
if(first(i:i) == dir_sep) then
res = trim(first)//trim(second)
else
res = trim(first)//dir_sep//trim(second)
end if
end subroutine combine_paths
subroutine write_date_and_time(unit_number, values)
implicit none
integer, intent(in)::unit_number
integer, intent(in), dimension(8)::values
write(unit_number, '(I4, A1, I0.2, A1, I0.2, 1X, I2, A1, I0.2, A1, I0.2)') &
values(1), "-", &
values(2), "-", &
values(3), &
values(5), ":", &
values(6), ":", &
values(7)
end subroutine write_date_and_time
function remove_directory(absolute_dir, and_files)
implicit none
character(*), intent(in)::absolute_dir
logical, intent(in), optional::and_files
logical::remove_directory
character(len=8)::cmd, flags
integer::retval
#ifdef WINDOWS
flags = " "
cmd = "rmdir"
#else
flags = "-rf"
cmd = "rm"
#endif
if(present(and_files)) then
if(and_files) then
#ifdef WINDOWS
flags = "/S /Q"
#else
flags = "-rf"
#endif
end if
end if
call execute_command_line(trim(cmd)//" "//trim(flags)//" "//trim(absolute_dir), &
wait=.true., exitstat=retval)
remove_directory = (retval == 0)
end function remove_directory
function read_into_buffer(unit_number, buffer)
implicit none
integer, intent(in)::unit_number
character, dimension(*), intent(out)::buffer
integer::read_into_buffer
integer::i, ierr
ierr = 0
i = 0
do while(ierr == 0 .and. i < len(buffer))
i = i + 1
read(unit_number, iostat=ierr) buffer(i)
end do
if(ierr /= 0) then
i = i - 1
end if
read_into_buffer = i
end function read_into_buffer
function generate_temporary_filename() result(fullpath)
use iso_c_binding
implicit none
character(len=:), pointer::fullpath
type(c_ptr)::tmp_name
character(kind=c_char), dimension(:), pointer::cfullpath
integer(kind=c_size_t)::clength
integer::i
interface
function c_strlen(p) bind(c, name='strlen')
use iso_c_binding
type(c_ptr), value::p
integer(kind=c_size_t)::strlen
end function c_strlen
function c_malloc(x) bind(c, name='malloc')
use iso_c_binding
type(c_ptr)::c_malloc
integer(kind=c_size_t), value::x
end function c_malloc
subroutine c_free(p) bind(c, name='free')
use iso_c_binding
type(c_ptr), value::p
end subroutine c_free
end interface
#ifdef WINDOWS
interface
function GetTempPath(n, b) bind(c, name='GetTempPathA')
use iso_c_binding
integer(kind=c_int32_t)::GetTempPath
integer(kind=c_int32_t), value::n
type(c_ptr), value::b
end function GetTempPath
function GetTempFileName(pn, prefix, unique, b) bind(c, name='GetTempFileNameA')
use iso_c_binding
integer(kind=c_int)::GetTempFileName
integer(kind=c_int), value::unique
type(c_ptr), value::pn, prefix, b
end function GetTempFileName
end interface
type(c_ptr)::tmp_path
integer::res
tmp_path = c_malloc(int(1024, kind=c_size_t))
res = GetTempPath(1023, tmp_path)
tmp_name = c_malloc(int(1024, kind=c_size_t))
res = GetTempFileName(tmp_path, c_null_ptr, 0, tmp_name)
call c_free(tmp_path)
! Convert the C Ptr to a Fortran object
clength = c_strlen(tmp_name)
if(clength == 0) then
stop
end if
call c_f_pointer(tmp_name, cfullpath, (/ clength /))
allocate(character(len=clength)::fullpath)
do i = 1, clength
fullpath(i:i) = cfullpath(i)
end do
cfullpath => null()
call c_free(tmp_name)
#else
character(32)::num_text
real::rnum
allocate(character(len=1024) :: fullpath)
call random_number(rnum)
write(num_text, *) abs(rnum)
fullpath = "/tmp/lv."//trim(adjustl(num_text))//".tmp"
!call write_log("My temp filename is: '"//trim(fullpath)//"'")
#endif
end function generate_temporary_filename
subroutine delete_file(filename)
implicit none
character(*), intent(in)::filename
#ifdef GNU
call unlink(filename)
#else
! Not implemented...
#endif
end subroutine delete_file
subroutine replace_field_text(str, field, val)
implicit none
character(*), intent(inout)::str
character(*), intent(in)::field
character(*), intent(in)::val
character(len=:), allocatable::holding
integer::length_estimate
integer::field_location, i
! This is too big, but close enough
length_estimate = len_trim(str) + len_trim(val)
allocate(character(len=length_estimate) :: holding)
holding = " "
! Find the field
field_location = index(str, "{"//trim(field)//"}")
if(field_location > 0) then
i = field_location + len_trim(field) + 2
holding = str(1:field_location-1)//trim(val)//str(i:len_trim(str))
! Put the results back now
str = holding
end if
deallocate(holding)
end subroutine replace_field_text
subroutine replace_field_int(str, field, val)
implicit none
character(*), intent(inout)::str
character(*), intent(in)::field
integer, intent(in)::val
character(16)::int_text
write(int_text, *) val
call replace_field_text(str, field, trim(adjustl(int_text)))
end subroutine replace_field_int
function get_directories_in_directory(directory) result(res)
implicit none
character(*), intent(in)::directory
character(DIR_LIST_STRING_LENGTH), dimension(:), pointer::res
character(80)::line
character(len=:), pointer::tempfile
integer::dcount, unum, ierr, i
tempfile => generate_temporary_filename()
res => null()
call execute_command_line("ls -l "//trim(directory)//" > "//trim(tempfile), &
wait=.true.)
open(newunit=unum, file=tempfile, action='read')
! First line is "total ###"
read(unum, '(A)', iostat=ierr) line
dcount = 0
read(unum, '(A)', iostat=ierr) line
do while(ierr == 0)
if(line(1:1) == 'd') then
dcount = dcount + 1
end if
read(unum, '(A)', iostat=ierr) line
end do
close(unum)
if(dcount > 0) then
allocate(res(dcount))
! Now call ls, but group directories first
call execute_command_line("ls --group-directories-first "//trim(directory)//" > "//trim(tempfile), &
wait=.true.)
open(newunit=unum, file=tempfile, action='read')
i = 0
read(unum, '(A)', iostat=ierr) line
do while(ierr == 0 .and. i < dcount)
i = i + 1
res(i) = trim(line)
read(unum, '(A)', iostat=ierr) line
end do
close(unum)
end if
call unlink(tempfile)
end function get_directories_in_directory
function get_files_in_directory(directory) result(res)
implicit none
character(*), intent(in)::directory
character(DIR_LIST_STRING_LENGTH), dimension(:), pointer::res
character(80)::line
character(len=:), pointer::tempfile
integer::dcount, total_count, unum, ierr, i
tempfile => generate_temporary_filename()
res => null()
call execute_command_line("ls -l "//trim(directory)//" > "//trim(tempfile), &
wait=.true.)
open(newunit=unum, file=tempfile, action='read')
! First line is "total ###"
read(unum, '(A)', iostat=ierr) line
dcount = 0
total_count = 0
read(unum, '(A)', iostat=ierr) line
do while(ierr == 0)
if(line(1:1) == 'd') then
dcount = dcount + 1
end if
total_count = total_count + 1
read(unum, '(A)', iostat=ierr) line
end do
close(unum)
if((total_count - dcount) > 0) then
allocate(res(total_count - dcount))
! Now call ls, but group directories first
call execute_command_line("ls --group-directories-first "//trim(directory)//" > "//trim(tempfile), &
wait=.true.)
open(newunit=unum, file=tempfile, action='read')
i = 0
read(unum, '(A)', iostat=ierr) line
do while(ierr == 0 .and. i <= total_count)
i = i + 1
if(i > dcount) then
res(i-dcount) = trim(line)
end if
read(unum, '(A)', iostat=ierr) line
end do
close(unum)
end if
call unlink(tempfile)
end function get_files_in_directory
end module utilities
|