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Top Forums Shell Programming and Scripting Subtraction while reading a variable value Post 302577915 by Gaurav198 on Wednesday 30th of November 2011 09:09:15 AM
Old 11-30-2011
Subtraction while reading a variable value

Hi Guru's

i have a file which contains data as below(file.txt) and an inital value 8725

403
352
462
359
317
347
414
285
308
350
300
305
381
319
373
358
329
318
360
313
338
779
368

how would i read each value in a file and subtract it from the inital value?

i tried using below format, But it failed with syntax error.

Code:
state3=8725
while read $ct 
do
TOTAL=`expr $state3 - $ct`
echo $TOTAL
done < file.txt

Please advice how to achieve this?
 

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iconv_koi8-r(5)                                         Standards, Environments, and Macros                                        iconv_koi8-r(5)

NAME
iconv_koi8-r - code set conversion tables for KOI8-R DESCRIPTION
The following code set conversions are supported: +-------------------------------------------------------------------------+ | Code Set Conversions Supported | +--------------+--------+--------------+--------+-------------------------+ | Code |Symbol |Target Code |Symbol | Target Output | +--------------+--------+--------------+--------+-------------------------+ |KOI8-R |koi8 |ISO 8859-5 |iso5 | ISO 8859-5 Cyrillic | +--------------+--------+--------------+--------+-------------------------+ |KOI8-R |koi8 |PC Cyrillic |alt | Alternative PC Cyrillic | +--------------+--------+--------------+--------+-------------------------+ |KOI8-R |koi8 |MS 1251 |win5 | Windows Cyrillic | +--------------+--------+--------------+--------+-------------------------+ |KOI8-R |koi8 |Mac Cyrillic |mac | Macintosh Cyrillic | +--------------+--------+--------------+--------+-------------------------+ CONVERSIONS
The conversions are performed according to the following tables. All values in the tables are given in octal. KOI8-R to ISO 8859-5 For the conversion of KOI8-R to ISO 8859-5, all characters not in the following table are mapped unchanged. +-----------------------------------------------------------------+ | | Conversions|Performed | | | KOI8-R | ISO 8859-5 | KOI8-R | ISO 8859-5 | |24 | 4 |320 |337 | |241 | 362 |321 |357 | |242 | 363 |322 |340 | |243 | 361 |323 |341 | |244 | 364 |324 |342 | |245 | 365 |325 |343 | |246 | 366 |327 |322 | |247 | 367 |330 |354 | |250 | 370 |331 |353 | |251 | 371 |332 |327 | |252 | 372 |333 |350 | |253 | 373 |334 |355 | |254 | 374 |335 |351 | |256 | 376 |336 |347 | |257 | 377 |337 |352 | |260 | 360 |340 |316 | |261 | 242 |341 |260 | |262 | 243 |342 |261 | |263 | 241 |343 |306 | |264 | 244 |344 |264 | |265 | 245 |345 |265 | |266 | 246 |346 |304 | |267 | 247 |347 |263 | |270 | 250 |350 |305 | |271 | 251 |351 |270 | |272 | 252 |352 |271 | |273 | 253 |353 |272 | |274 | 254 |354 |273 | |275 | 255 |355 |274 | |276 | 256 |356 |275 | |277 | 257 |357 |276 | |300 | 356 |360 |277 | |301 | 320 |361 |317 | |302 | 321 |362 |300 | |303 | 346 |363 |301 | |304 | 324 |364 |302 | |305 | 325 |365 |303 | |306 | 344 |366 |266 | |307 | 323 |367 |262 | |310 | 345 |370 |314 | |311 | 330 |371 |313 | |312 | 331 |372 |267 | |313 | 332 |373 |310 | |314 | 333 |374 |315 | |315 | 334 |375 |311 | |316 | 335 |376 |307 | |317 | 336 | | | +---------------+----------------+----------------+---------------+ KOI8-R to PC Cyrillic For the conversion of KOI8-R to PC Cyrillic, all characters not in the following table are mapped unchanged. +-----------------------------------------------------------------+ | | Conversions|Performed | | | KOI8-R | PC Cyrillic | KOI8-R | PC Cyrillic | |24 | 4 |333 |350 | |200-242 | 40 |334 |355 | |243 | 361 |335 |351 | |244-254 | 40 |336 |347 | |255 | 260 |337 |352 | |256-262 | 40 |340 |236 | |263 | 360 |341 |200 | |264-274 | 40 |342 |201 | |275 | 260 |343 |226 | |276-277 | 40 |344 |204 | |300 | 356 |345 |205 | |301 | 240 |346 |224 | |302 | 241 |347 |203 | |303 | 346 |350 |225 | |304 | 244 |351 |210 | |305 | 245 |352 |211 | |306 | 344 |353 |212 | |307 | 243 |354 |213 | |310 | 345 |355 |214 | |311 | 250 |356 |215 | |312 | 251 |357 |216 | |313 | 252 |360 |217 | |314 | 253 |361 |237 | |315 | 254 |362 |220 | |316 | 255 |363 |221 | |317 | 256 |364 |222 | |320 | 257 |365 |223 | |321 | 357 |366 |206 | |322 | 340 |367 |202 | |323 | 341 |370 |234 | |324 | 342 |371 |233 | |325 | 343 |372 |207 | |326 | 246 |373 |230 | |327 | 242 |374 |235 | |330 | 354 |375 |231 | |331 | 353 |376 |227 | |332 | 247 | | | +---------------+----------------+----------------+---------------+ KOI8-R to MS 1251 For the conversion of KOI8-R to MS 1251, all characters not in the following table are mapped unchanged. +-----------------------------------------------------------------+ | | Conversions|Performed | | | KOI8-R | MS 1251 | KOI8-R | MS 1251 | |24 | 4 |317 |356 | |200-237 | 40 |320 |357 | |241 | 220 |321 |377 | |242 | 203 |322 |360 | |243 | 270 |323 |361 | |244 | 272 |324 |362 | |245 | 276 |325 |363 | |246 | 263 |326 |346 | |247 | 277 |327 |342 | |250 | 274 |330 |374 | |251 | 232 |331 |373 | |252 | 234 |332 |347 | |253 | 236 |333 |370 | |254 | 235 |334 |375 | |255 | 210 |335 |371 | |256 | 242 |336 |367 | |257 | 237 |337 |372 | |260 | 271 |340 |336 | |261 | 200 |341 |300 | |262 | 201 |342 |301 | |263 | 250 |343 |326 | |264 | 252 |344 |304 | |265 | 275 |345 |305 | |266 | 262 |346 |324 | |267 | 257 |347 |303 | |270 | 243 |350 |325 | |271 | 212 |351 |310 | |272 | 214 |352 |311 | |273 | 216 |353 |312 | |274 | 215 |354 |313 | |275 | 210 |355 |314 | |276 | 241 |356 |315 | |277 | 217 |357 |316 | |300 | 376 |360 |317 | |301 | 340 |361 |337 | |302 | 341 |362 |320 | |303 | 366 |363 |321 | |304 | 344 |364 |322 | |305 | 345 |365 |323 | |306 | 364 |366 |306 | |307 | 343 |367 |302 | |310 | 365 |370 |334 | |311 | 350 |371 |333 | |312 | 351 |372 |307 | |313 | 352 |373 |330 | |314 | 353 |374 |335 | |315 | 354 |375 |331 | |316 | 355 |376 |327 | |376 | 227 | | | +---------------+----------------+----------------+---------------+ KOI8-R to Mac Cyrillic For the conversion of KOI8-R to Mac Cyrillic, all characters not in the following table are mapped unchanged. +-----------------------------------------------------------------+ | | Conversions|Performed | | | KOI8-R | Mac Cyrillic | KOI8-R | Mac Cyrillic | |24 | 4 |317 |356 | |200-237 | 40 |320 |357 | |240 | 312 |321 |337 | |241 | 254 |322 |360 | |242 | 257 |323 |361 | |243 | 336 |324 |362 | |244 | 271 |325 |363 | |245 | 317 |326 |346 | |246 | 264 |327 |342 | |247 | 273 |330 |374 | |250 | 300 |331 |373 | |251 | 275 |332 |347 | |252 | 277 |333 |370 | |253 | 40 |334 |375 | |254 | 316 |335 |371 | |255 | 40 |336 |367 | |256 | 331 |337 |372 | |257 | 333 |340 |236 | |260 | 334 |341 |200 | |261 | 253 |342 |201 | |262 | 256 |343 |226 | |263 | 335 |344 |204 | |264 | 270 |345 |205 | |265 | 301 |346 |224 | |266 | 247 |347 |203 | |267 | 272 |350 |225 | |270 | 267 |351 |210 | |271 | 274 |352 |211 | |272 | 276 |353 |212 | |273 | 40 |354 |213 | |274 | 315 |355 |214 | |275 | 40 |356 |215 | |276 | 330 |357 |216 | |277 | 332 |360 |217 | |300 | 376 |361 |237 | |301 | 340 |362 |220 | |302 | 341 |363 |221 | |303 | 366 |364 |222 | |304 | 344 |365 |223 | |305 | 345 |366 |206 | |306 | 364 |367 |202 | |307 | 343 |370 |234 | |310 | 365 |371 |233 | |311 | 350 |372 |207 | |312 | 351 |373 |230 | |313 | 352 |374 |235 | |314 | 353 |375 |231 | |315 | 354 |376 |227 | |316 | 355 | | | +---------------+----------------+----------------+---------------+ FILES
/usr/lib/iconv/*.so conversion modules /usr/lib/iconv/*.t conversion tables /usr/lib/iconv/iconv_data list of conversions supported by conversion tables SEE ALSO
iconv(1), iconv(3C), iconv(5) SunOS 5.10 18 Apr 1997 iconv_koi8-r(5)
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