| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | module athena__tools_infile | ||
| 2 | !! Module containing custom input file reading functions and subroutines | ||
| 3 | !! | ||
| 4 | !! This module contains custom input file reading functions and subroutines | ||
| 5 | !! for reading and assigning values from a file. | ||
| 6 | !! Code copied from ARTEMIS with permission of the authors | ||
| 7 | !! Ned Thaddeus Taylor and Francis Huw Davies | ||
| 8 | !! https://github.com/ExeQuantCode/ARTEMIS | ||
| 9 | use coreutils, only: real32, grep, icount, stop_program | ||
| 10 | implicit none | ||
| 11 | |||
| 12 | |||
| 13 | private | ||
| 14 | |||
| 15 | public :: get_val | ||
| 16 | public :: assign_val, assign_vec, allocate_and_assign_vec | ||
| 17 | public :: getline, rm_comments | ||
| 18 | public :: stop_check | ||
| 19 | public :: move | ||
| 20 | |||
| 21 | |||
| 22 | interface assign_val | ||
| 23 | !! Interface for assigning a value to a variable | ||
| 24 | procedure assignI, assignR, assignS, assignL | ||
| 25 | end interface assign_val | ||
| 26 | |||
| 27 | interface assign_vec | ||
| 28 | !! Interface for assigning a vector to a variable | ||
| 29 | procedure assignIvec, assignRvec | ||
| 30 | end interface assign_vec | ||
| 31 | |||
| 32 | interface allocate_and_assign_vec | ||
| 33 | !! Interface for allocating and assigning a vector to a variable | ||
| 34 | procedure allocate_and_assignRvec | ||
| 35 | end interface allocate_and_assign_vec | ||
| 36 | |||
| 37 | |||
| 38 | contains | ||
| 39 | |||
| 40 | !############################################################################### | ||
| 41 | − | function get_val(buffer, fs) result(output) | |
| 42 | !! Extract the section of buffer that occurs after the field separator fs | ||
| 43 | implicit none | ||
| 44 | |||
| 45 | ! Arguments | ||
| 46 | character(*), intent(in) :: buffer | ||
| 47 | !! Input buffer | ||
| 48 | character(1), intent(in), optional :: fs | ||
| 49 | !! Field separator | ||
| 50 | |||
| 51 | ! Local variables | ||
| 52 | character(:), allocatable :: output | ||
| 53 | !! Extracted value | ||
| 54 | character(1) :: fs_ | ||
| 55 | !! Field separator | ||
| 56 | |||
| 57 | − | fs_ = '=' | |
| 58 | − | if(present(fs)) fs_ = fs | |
| 59 | |||
| 60 | − | output = trim(adjustl(buffer((scan(buffer, fs_) + 1):))) | |
| 61 | − | end function get_val | |
| 62 | !############################################################################### | ||
| 63 | |||
| 64 | |||
| 65 | !############################################################################### | ||
| 66 | − | subroutine getline(unit, pattern, buffer) | |
| 67 | !! Get the line from a grep and assign it to buffer | ||
| 68 | implicit none | ||
| 69 | |||
| 70 | ! Arguments | ||
| 71 | integer, intent(in) :: unit | ||
| 72 | !! Unit to read from | ||
| 73 | character(*), intent(in) :: pattern | ||
| 74 | !! Pattern to grep for | ||
| 75 | character(*), intent(out) :: buffer | ||
| 76 | !! Buffer to assign line to | ||
| 77 | |||
| 78 | ! Local variables | ||
| 79 | integer :: iostat | ||
| 80 | !! I/O status | ||
| 81 | |||
| 82 | − | call grep(unit, pattern) | |
| 83 | − | backspace(unit) | |
| 84 | − | read(unit, '(A)', iostat=iostat) buffer | |
| 85 | − | end subroutine getline | |
| 86 | !############################################################################### | ||
| 87 | |||
| 88 | |||
| 89 | !############################################################################### | ||
| 90 | − | subroutine assignI(buffer, variable, found, keyword, fs) | |
| 91 | !! Assign an integer to variable | ||
| 92 | implicit none | ||
| 93 | |||
| 94 | ! Arguments | ||
| 95 | character(*), intent(inout) :: buffer | ||
| 96 | !! Input buffer | ||
| 97 | integer, intent(out) :: variable | ||
| 98 | !! Variable to assign data to | ||
| 99 | integer, intent(inout) :: found | ||
| 100 | !! Count for finding variable | ||
| 101 | character(*), optional, intent(in) :: keyword | ||
| 102 | !! Keyword to start from | ||
| 103 | character(1), optional, intent(in) :: fs | ||
| 104 | !! Field separator | ||
| 105 | |||
| 106 | ! Local variables | ||
| 107 | character(1024) :: buffer2 | ||
| 108 | !! Temporary buffer | ||
| 109 | character(1) :: fs_ | ||
| 110 | !! Field separator | ||
| 111 | |||
| 112 | − | fs_ = '=' | |
| 113 | − | if(present(fs)) fs_ = fs | |
| 114 | |||
| 115 | − | if(present(keyword)) buffer = buffer(index(buffer, keyword):) | |
| 116 | − | if(scan(buffer, fs_) .ne. 0) buffer2 = get_val(buffer, fs_) | |
| 117 | − | if(trim(adjustl(buffer2)) .ne. '') then | |
| 118 | − | found = found + 1 | |
| 119 | − | read(buffer2, *) variable | |
| 120 | end if | ||
| 121 | − | end subroutine assignI | |
| 122 | !############################################################################### | ||
| 123 | |||
| 124 | |||
| 125 | !############################################################################### | ||
| 126 | − | subroutine assignIvec(buffer, variable, found, keyword, fs) | |
| 127 | !! Assign an arbitrary length vector of integers to variable | ||
| 128 | implicit none | ||
| 129 | |||
| 130 | ! Arguments | ||
| 131 | character(*), intent(inout) :: buffer | ||
| 132 | !! Input buffer | ||
| 133 | integer, dimension(:), intent(out) :: variable | ||
| 134 | !! Variable to assign data to | ||
| 135 | integer, intent(inout) :: found | ||
| 136 | !! Count for finding variable | ||
| 137 | character(*), optional, intent(in) :: keyword | ||
| 138 | !! Keyword to start from | ||
| 139 | character(1), optional, intent(in) :: fs | ||
| 140 | !! Field separator | ||
| 141 | |||
| 142 | ! Local variables | ||
| 143 | integer :: i | ||
| 144 | !! Loop index | ||
| 145 | character(1024) :: buffer2 | ||
| 146 | !! Temporary buffer | ||
| 147 | character(1) :: fs_ | ||
| 148 | !! Field separator | ||
| 149 | |||
| 150 | − | fs_ = '=' | |
| 151 | − | if(present(fs)) fs_ = fs | |
| 152 | |||
| 153 | − | if(present(keyword)) buffer = buffer(index(buffer, keyword):) | |
| 154 | − | if(scan(buffer, fs_) .ne. 0) buffer2 = get_val(buffer, fs_) | |
| 155 | − | if(trim(adjustl(buffer2)) .ne. '') then | |
| 156 | − | found = found + 1 | |
| 157 | − | if(icount(buffer2) == 1 .and. icount(buffer2) .ne. size(variable)) then | |
| 158 | − | read(buffer2, *) variable(1) | |
| 159 | − | variable = variable(1) | |
| 160 | else | ||
| 161 | − | read(buffer2, *) (variable(i), i = 1, size(variable)) | |
| 162 | end if | ||
| 163 | end if | ||
| 164 | − | end subroutine assignIvec | |
| 165 | !############################################################################### | ||
| 166 | |||
| 167 | |||
| 168 | !############################################################################### | ||
| 169 | − | subroutine assignR(buffer, variable, found, keyword, fs) | |
| 170 | !! Assign a real to variable | ||
| 171 | implicit none | ||
| 172 | |||
| 173 | ! Arguments | ||
| 174 | character(*), intent(inout) :: buffer | ||
| 175 | !! Input buffer | ||
| 176 | real(real32), intent(out) :: variable | ||
| 177 | !! Variable to assign data to | ||
| 178 | integer, intent(inout) :: found | ||
| 179 | !! Count for finding variable | ||
| 180 | character(*), optional, intent(in) :: keyword | ||
| 181 | !! Keyword to start from | ||
| 182 | character(1), optional, intent(in) :: fs | ||
| 183 | !! Field separator | ||
| 184 | |||
| 185 | ! Local variables | ||
| 186 | character(1024) :: buffer2 | ||
| 187 | !! Temporary buffer | ||
| 188 | character(1) :: fs_ | ||
| 189 | !! Field separator | ||
| 190 | |||
| 191 | − | fs_ = '=' | |
| 192 | − | if(present(fs)) fs_ = fs | |
| 193 | |||
| 194 | − | if(present(keyword)) buffer = buffer(index(buffer, keyword):) | |
| 195 | − | if(scan(buffer, fs_) .ne. 0) buffer2 = get_val(buffer, fs_) | |
| 196 | − | if(trim(adjustl(buffer2)) .ne. '') then | |
| 197 | − | found = found + 1 | |
| 198 | − | read(buffer2, *) variable | |
| 199 | end if | ||
| 200 | − | end subroutine assignR | |
| 201 | !############################################################################### | ||
| 202 | |||
| 203 | |||
| 204 | !############################################################################### | ||
| 205 | − | subroutine assignRvec(buffer, variable, found, keyword, fs) | |
| 206 | !! Assign an arbitrary length vector of reals to variable | ||
| 207 | implicit none | ||
| 208 | |||
| 209 | ! Arguments | ||
| 210 | character(*), intent(inout) :: buffer | ||
| 211 | !! Input buffer | ||
| 212 | real(real32), dimension(:), intent(out) :: variable | ||
| 213 | !! Variable to assign data to | ||
| 214 | integer, intent(inout) :: found | ||
| 215 | !! Count for finding variable | ||
| 216 | character(*), optional, intent(in) :: keyword | ||
| 217 | !! Keyword to start from | ||
| 218 | character(1), optional, intent(in) :: fs | ||
| 219 | !! Field separator | ||
| 220 | |||
| 221 | ! Local variables | ||
| 222 | integer :: i | ||
| 223 | !! Loop index | ||
| 224 | character(1024) :: buffer2 | ||
| 225 | !! Temporary buffer | ||
| 226 | character(1) :: fs_ | ||
| 227 | !! Field separator | ||
| 228 | |||
| 229 | − | fs_ = '=' | |
| 230 | − | if(present(fs)) fs_ = fs | |
| 231 | |||
| 232 | − | if(present(keyword)) buffer = buffer(index(buffer, keyword):) | |
| 233 | − | if(scan(buffer, fs_) .ne. 0) buffer2 = get_val(buffer, fs_) | |
| 234 | − | if(trim(adjustl(buffer2)) .ne. '') then | |
| 235 | − | found = found + 1 | |
| 236 | − | if(icount(buffer2) == 1 .and. icount(buffer2) .ne. size(variable)) then | |
| 237 | − | read(buffer2, *) variable(1) | |
| 238 | − | variable = variable(1) | |
| 239 | else | ||
| 240 | − | read(buffer2, *) (variable(i), i = 1, size(variable)) | |
| 241 | end if | ||
| 242 | end if | ||
| 243 | − | end subroutine assignRvec | |
| 244 | !############################################################################### | ||
| 245 | |||
| 246 | |||
| 247 | !############################################################################### | ||
| 248 | − | subroutine allocate_and_assignRvec(buffer, variable, keyword, fs) | |
| 249 | !! Allocate and assign an arbitrary length vector of reals to variable | ||
| 250 | implicit none | ||
| 251 | |||
| 252 | ! Arguments | ||
| 253 | character(*), intent(inout) :: buffer | ||
| 254 | !! Input buffer | ||
| 255 | real(real32), dimension(:), allocatable, intent(out) :: variable | ||
| 256 | !! Variable to assign data to | ||
| 257 | character(*), optional, intent(in) :: keyword | ||
| 258 | !! Keyword to start from | ||
| 259 | character(1), optional, intent(in) :: fs | ||
| 260 | !! Field separator | ||
| 261 | |||
| 262 | ! Local variables | ||
| 263 | integer :: i | ||
| 264 | !! Number of values and loop index | ||
| 265 | character(1024) :: buffer2 | ||
| 266 | !! Temporary buffer | ||
| 267 | character(1) :: fs_ | ||
| 268 | !! Field separator | ||
| 269 | character(1), parameter :: open_brackets(3) = ['[', '(', '{'] | ||
| 270 | character(1), parameter :: close_brackets(3) = [']', ')', '}'] | ||
| 271 | |||
| 272 | − | fs_ = '=' | |
| 273 | − | if(present(fs)) fs_ = fs | |
| 274 | |||
| 275 | − | if(present(keyword)) buffer = buffer(index(buffer, keyword):) | |
| 276 | − | if(scan(buffer, fs_) .ne. 0)then | |
| 277 | − | buffer2 = get_val(buffer, fs_) | |
| 278 | else | ||
| 279 | − | buffer2 = buffer | |
| 280 | end if | ||
| 281 | − | buffer2 = adjustl(buffer2) | |
| 282 | − | if(any(index(buffer2,open_brackets).eq.1)) then | |
| 283 | − | do i = 1, size(open_brackets) | |
| 284 | − | if(index(buffer2, open_brackets(i)) .eq. 1) then | |
| 285 | − | buffer2 = buffer2(2:) | |
| 286 | end if | ||
| 287 | end do | ||
| 288 | end if | ||
| 289 | − | if(any(index(trim(buffer2),close_brackets).eq.len(trim(buffer2)))) then | |
| 290 | − | do i = 1, size(close_brackets) | |
| 291 | − | if(index(trim(buffer2), close_brackets(i)) .eq. len(trim(buffer2))) then | |
| 292 | − | buffer2 = buffer2(:len(trim(buffer2))-1) | |
| 293 | end if | ||
| 294 | end do | ||
| 295 | end if | ||
| 296 | ! count number of values | ||
| 297 | − | i = icount(buffer2) | |
| 298 | − | allocate(variable(i)) | |
| 299 | − | read(buffer2, *) (variable(i), i = 1, size(variable)) | |
| 300 | − | end subroutine allocate_and_assignRvec | |
| 301 | !############################################################################### | ||
| 302 | |||
| 303 | |||
| 304 | !############################################################################### | ||
| 305 | − | subroutine assignS(buffer, variable, found, keyword, fs) | |
| 306 | !! Assign a string to variable | ||
| 307 | implicit none | ||
| 308 | |||
| 309 | ! Arguments | ||
| 310 | character(*), intent(inout) :: buffer | ||
| 311 | !! Input buffer | ||
| 312 | character(*), intent(out) :: variable | ||
| 313 | !! Variable to assign data to | ||
| 314 | integer, intent(inout) :: found | ||
| 315 | !! Count for finding variable | ||
| 316 | character(*), optional, intent(in) :: keyword | ||
| 317 | !! Keyword to start from | ||
| 318 | character(1), optional, intent(in) :: fs | ||
| 319 | !! Field separator | ||
| 320 | |||
| 321 | ! Local variables | ||
| 322 | character(1024) :: buffer2 | ||
| 323 | !! Temporary buffer | ||
| 324 | character(1) :: fs_ | ||
| 325 | !! Field separator | ||
| 326 | |||
| 327 | − | fs_ = '=' | |
| 328 | − | if(present(fs)) fs_ = fs | |
| 329 | |||
| 330 | − | if(present(keyword)) buffer = buffer(index(buffer, keyword):) | |
| 331 | − | if(scan(buffer, fs_) .ne. 0) buffer2 = get_val(buffer, fs_) | |
| 332 | − | if(trim(adjustl(buffer2)) .ne. '')then | |
| 333 | − | found = found + 1 | |
| 334 | if( & | ||
| 335 | ( & | ||
| 336 | − | buffer2(1:1) .eq. '"' .and. & | |
| 337 | buffer2(len(trim(buffer2)):len(trim(buffer2))) .eq. '"' & | ||
| 338 | − | ) .or. ( & | |
| 339 | − | buffer2(1:1) .eq. '''' .and. & | |
| 340 | buffer2(len(trim(buffer2)):len(trim(buffer2))) .eq. '''' & | ||
| 341 | ) & | ||
| 342 | )then | ||
| 343 | − | buffer2 = buffer2(2:len(trim(buffer2))-1) | |
| 344 | end if | ||
| 345 | − | read(buffer2, '(A)') variable | |
| 346 | end if | ||
| 347 | − | end subroutine assignS | |
| 348 | !############################################################################### | ||
| 349 | |||
| 350 | |||
| 351 | !############################################################################### | ||
| 352 | − | subroutine assignL(buffer, variable, found, keyword, fs) | |
| 353 | !! Assign a logical to variable (T/t/1 and F/f/0 accepted) | ||
| 354 | implicit none | ||
| 355 | |||
| 356 | ! Arguments | ||
| 357 | character(*), intent(inout) :: buffer | ||
| 358 | !! Input buffer | ||
| 359 | logical, intent(out) :: variable | ||
| 360 | !! Variable to assign data to | ||
| 361 | integer, intent(inout) :: found | ||
| 362 | !! Count for finding variable | ||
| 363 | character(*), optional, intent(in) :: keyword | ||
| 364 | !! Keyword to start from | ||
| 365 | character(1), optional, intent(in) :: fs | ||
| 366 | !! Field separator | ||
| 367 | |||
| 368 | ! Local variables | ||
| 369 | character(1024) :: buffer2 | ||
| 370 | !! Temporary buffer | ||
| 371 | character(1) :: fs_ | ||
| 372 | !! Field separator | ||
| 373 | |||
| 374 | − | fs_ = '=' | |
| 375 | − | if(present(fs)) fs_ = fs | |
| 376 | |||
| 377 | − | if(present(keyword)) buffer = buffer(index(buffer, keyword):) | |
| 378 | − | if(scan(buffer, fs_) .ne. 0) buffer2 = get_val(buffer, fs_) | |
| 379 | − | if(trim(adjustl(buffer2)) .ne. '') then | |
| 380 | − | found = found + 1 | |
| 381 | if( & | ||
| 382 | index(buffer2, "T") .ne. 0 .or. & | ||
| 383 | − | index(buffer2, "t") .ne. 0 .or. & | |
| 384 | index(buffer2, "1") .ne. 0 & | ||
| 385 | ) then | ||
| 386 | − | variable = .TRUE. | |
| 387 | end if | ||
| 388 | if( & | ||
| 389 | index(buffer2, "F") .ne. 0 .or. & | ||
| 390 | − | index(buffer2, "f") .ne. 0 .or. & | |
| 391 | index(buffer2, "0") .ne. 0 & | ||
| 392 | ) then | ||
| 393 | − | variable = .FALSE. | |
| 394 | end if | ||
| 395 | end if | ||
| 396 | − | end subroutine assignL | |
| 397 | !############################################################################### | ||
| 398 | |||
| 399 | |||
| 400 | !############################################################################### | ||
| 401 | − | subroutine rm_comments(buffer, iline) | |
| 402 | !! Remove comment from a string (anything after ! or #) | ||
| 403 | implicit none | ||
| 404 | |||
| 405 | ! Arguments | ||
| 406 | character(*), intent(inout) :: buffer | ||
| 407 | !! Input buffer | ||
| 408 | integer, optional, intent(in) :: iline | ||
| 409 | !! Line number | ||
| 410 | |||
| 411 | ! Local variables | ||
| 412 | integer :: lbracket, rbracket, iline_ | ||
| 413 | !! Bracket positions and line number | ||
| 414 | |||
| 415 | − | iline_ = 0 | |
| 416 | − | if(present(iline)) iline_ = iline | |
| 417 | |||
| 418 | − | if(scan(buffer, '!') .ne. 0) buffer = buffer(:(scan(buffer, '!') - 1)) | |
| 419 | − | if(scan(buffer, '#') .ne. 0) buffer = buffer(:(scan(buffer, '#') - 1)) | |
| 420 | − | do while(scan(buffer, '(') .ne. 0 .or. scan(buffer, ')') .ne. 0) | |
| 421 | − | lbracket = scan(buffer, '(', back = .true.) | |
| 422 | − | rbracket = scan(buffer(lbracket:), ')') | |
| 423 | − | if(lbracket == 0 .or. rbracket == 0) then | |
| 424 | write(6, '(A,I0)') & | ||
| 425 | − | ' NOTE: a bracketing error was encountered on line ', iline_ | |
| 426 | − | buffer = "" | |
| 427 | − | return | |
| 428 | end if | ||
| 429 | − | rbracket = rbracket + lbracket - 1 | |
| 430 | − | buffer = buffer(:(lbracket - 1)) // buffer((rbracket + 1):) | |
| 431 | end do | ||
| 432 | − | end subroutine rm_comments | |
| 433 | !############################################################################### | ||
| 434 | |||
| 435 | |||
| 436 | !############################################################################### | ||
| 437 | − | function stop_check(file) result(output) | |
| 438 | !! Logical check for stop file | ||
| 439 | implicit none | ||
| 440 | |||
| 441 | ! Arguments | ||
| 442 | character(*), optional, intent(in) :: file | ||
| 443 | !! File to check for | ||
| 444 | |||
| 445 | ! Local variables | ||
| 446 | integer :: Reason, itmp1, unit | ||
| 447 | !! I/O status, temporary integer, and unit | ||
| 448 | logical :: lfound, output | ||
| 449 | !! File found flag and output | ||
| 450 | character(248) :: file_ | ||
| 451 | !! File name | ||
| 452 | character(128) :: buffer, tagname | ||
| 453 | !! Buffer and tag name | ||
| 454 | |||
| 455 | − | unit = 999 | |
| 456 | − | file_ = "STOPCAR" | |
| 457 | − | if(present(file)) file_ = file | |
| 458 | |||
| 459 | − | output = .false. | |
| 460 | !! Check if file exists | ||
| 461 | − | inquire(file = trim(file_), exist = lfound) | |
| 462 | − | if(lfound) then | |
| 463 | − | itmp1 = 0 | |
| 464 | − | open(unit = unit, file = trim(file_)) | |
| 465 | !! Read line-by-line | ||
| 466 | − | do | |
| 467 | − | read(unit, '(A)', iostat = Reason) buffer | |
| 468 | − | if(Reason .ne. 0) exit | |
| 469 | − | call rm_comments(buffer) | |
| 470 | − | if(trim(buffer) == "") cycle | |
| 471 | − | tagname = trim(adjustl(buffer)) | |
| 472 | − | if(scan(buffer, "=") .ne. 0) & | |
| 473 | − | tagname = trim(tagname(:scan(tagname, "=") - 1)) | |
| 474 | − | select case(trim(tagname)) | |
| 475 | case("LSTOP") | ||
| 476 | − | call assignL(buffer, output, itmp1) | |
| 477 | − | exit | |
| 478 | case("LABORT") | ||
| 479 | − | call assignL(buffer, output, itmp1) | |
| 480 | − | if(output) then | |
| 481 | − | close(unit, status = 'delete') | |
| 482 | − | stop "LABORT ENCOUNTERED IN STOP FILE (" // trim(file_) // ")" | |
| 483 | end if | ||
| 484 | end select | ||
| 485 | end do | ||
| 486 | − | close(unit, status = 'delete') | |
| 487 | end if | ||
| 488 | − | end function stop_check | |
| 489 | !############################################################################### | ||
| 490 | |||
| 491 | |||
| 492 | !############################################################################### | ||
| 493 | − | subroutine move(unit, change, iostat, err_msg) | |
| 494 | !! Move current position in file based on relative change | ||
| 495 | implicit none | ||
| 496 | |||
| 497 | ! Arguments | ||
| 498 | integer, intent(in) :: unit | ||
| 499 | !! Unit to read from | ||
| 500 | integer, intent(in) :: change | ||
| 501 | !! Relative change in position | ||
| 502 | integer, intent(out), optional :: iostat | ||
| 503 | !! I/O status | ||
| 504 | character(*), intent(out), optional :: err_msg | ||
| 505 | !! Error message | ||
| 506 | |||
| 507 | ! Local variables | ||
| 508 | integer :: iostat_ | ||
| 509 | !! I/O status | ||
| 510 | integer :: i | ||
| 511 | !! Loop index | ||
| 512 | character(256) :: err_msg_ | ||
| 513 | !! Error message | ||
| 514 | logical :: opened | ||
| 515 | !! File existence check | ||
| 516 | |||
| 517 | − | if(present(iostat)) iostat = 0 | |
| 518 | − | if(present(err_msg)) err_msg = "" | |
| 519 | − | if(change.eq.0) return | |
| 520 | − | inquire(unit = unit, iostat = iostat_, opened = opened) | |
| 521 | − | if(iostat_ .ne. 0) then | |
| 522 | write(err_msg_, '(A,I0)') & | ||
| 523 | − | 'Cannot move in file, unit ', unit | |
| 524 | − | if(present(iostat)) iostat = iostat_ | |
| 525 | − | if(present(err_msg))then | |
| 526 | − | err_msg = err_msg_ | |
| 527 | else | ||
| 528 | − | call stop_program(err_msg_) | |
| 529 | end if | ||
| 530 | − | return | |
| 531 | − | elseif( .not.opened) then | |
| 532 | write(err_msg_, '(A,I0)') & | ||
| 533 | − | 'File is not opened, unit ', unit | |
| 534 | − | if(present(iostat)) iostat = 44 | |
| 535 | − | if(present(err_msg))then | |
| 536 | − | err_msg = err_msg_ | |
| 537 | else | ||
| 538 | − | call stop_program(err_msg_) | |
| 539 | end if | ||
| 540 | − | return | |
| 541 | end if | ||
| 542 | − | if(change.gt.0)then | |
| 543 | − | do i = 1, change | |
| 544 | − | read(unit, '(A)', iostat = iostat_) | |
| 545 | − | if(iostat_ .ne. 0) then | |
| 546 | write(err_msg_, '(A,I0)') & | ||
| 547 | − | 'Cannot move forward in file, unit ', unit | |
| 548 | − | if(present(iostat)) iostat = iostat_ | |
| 549 | − | if(present(err_msg))then | |
| 550 | − | err_msg = err_msg_ | |
| 551 | else | ||
| 552 | − | call stop_program(err_msg_) | |
| 553 | end if | ||
| 554 | − | return | |
| 555 | end if | ||
| 556 | end do | ||
| 557 | else | ||
| 558 | − | do i = 1, abs(change) | |
| 559 | − | backspace(unit) | |
| 560 | − | if(iostat .ne. 0) then | |
| 561 | write(err_msg_, '(A,I0)') & | ||
| 562 | − | 'Cannot move backward in file, unit ', unit | |
| 563 | − | if(present(iostat)) iostat = iostat_ | |
| 564 | − | if(present(err_msg))then | |
| 565 | − | err_msg = err_msg_ | |
| 566 | else | ||
| 567 | − | call stop_program(err_msg_) | |
| 568 | end if | ||
| 569 | − | return | |
| 570 | end if | ||
| 571 | end do | ||
| 572 | end if | ||
| 573 | |||
| 574 | − | end subroutine move | |
| 575 | !############################################################################### | ||
| 576 | |||
| 577 | end module athena__tools_infile | ||
| 578 |