So a line starting with "mstart" would be cr&mstart concatenating a cr (or whatever line delimiter the file uses if opening as binary) before mStart and reading from file until that string will find all instances but the 1st line of the file (it the file starts with mstart)
On 9/17/2017 7:33 AM, Matthias Rebbe via use-livecode wrote: > What i forgot to mention was that the keyword also exists within the lines. > But i have to find/read until a line which starts with mstart. > > But anyway i will play around a little bit. > > Thanks so far for all your comments. > > Regards, > Matthias > > > Matthias Rebbe > +49 5741 310000 > wirmachen.software <http://wirmachen.software/> > >> Am 17.09.2017 um 12:55 schrieb Paul Dupuis via use-livecode >> <use-livecode@lists.runrev.com <mailto:use-livecode@lists.runrev.com>>: >> >> On 9/16/2017 8:50 PM, Matthias Rebbe via use-livecode wrote: >>> Hi, >>> >>> until today i used always put URL to read a complete file into memory. But >>> now i have to process really large text files with a size of 900 - 1500 MB. >>> I know i can read a file until EOF or so. >>> >>> But how would i read a file until a line that starts with a certain >>> keyword, e.g. mstart. I need to read until the line before that line which >>> starts with mstart. >>> And then read from that “mstart” line until the next line before “mstart”. >>> Do i have to read line by line and check if the line starts with that >>> keyword or is there also an other way? >>> >>> Maybe i am thinking to complicated. >>> >> Why can you not use the >> read from file tFilePath until "mstart" >> of >> read from {file /pathName/ | stdin} [at /start/] {until {/string/ | end >> | EOF | empty} | for /amount/ [/chunkType/]} [in /time/] >> >> If you need to back up to reread the "mstart" string you can then use >> Seek to adjust the read position if needed. >> >> >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com <mailto:use-livecode@lists.runrev.com> >> Please visit this url to subscribe, unsubscribe and manage your subscription >> preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode >> <http://lists.runrev.com/mailman/listinfo/use-livecode> > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
