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How do I set and use shell variables?

rated 0 times [ 0] [ 0] / answers: 1 / hits: 1281 / 1 Year ago, tue, march 14, 2023, 1:50:10

IRSTLM=$HOME/irstlm

I need help setting this variable up. Was wondering if this is correct syntax

IRSTLM=/home/user/irstlm

Is that possible to run from root? I need it to be done in root in order to access certain files, I can also add the rest of the command I am trying to run if you'd like to see the context it's being used inn.

New problem, don't know why but shouldn't this output the file with extension .arpa ? i dont seem to get that file and I require it to run the next command to finish compiling this program.

~/irstlm/bin/add-start-end.sh  < ~/corpus/news-commentary-v7.fr-en.true.en > news-commentary-v7.fr-en.sb.en export IRSTLM=$HOME/irstlm; ~/irstlm/bin/build-lm.sh -i  news-commentary-v7.fr-en.sb.en  -t ./tmp  -p -s improved-kneser-ney -o news-commentary-v7.fr-en.lm.en

Here is the full command:

/home/user/irstlm/bin/add-start-end.sh  < /home/user/corpus/news-commentary-v7.fr-en.true.en > news-commentary-v7.fr-en.sb.en export IRSTLM=$HOME/irstlm; /home/user/irstlm/bin/build-lm.sh -i  news-commentary-v7.fr-en.sb.en  -t ./tmp  -p  -s improved-kneser-ney -o news-commentary-v7.fr-en.lm.en

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answered 1 Year ago fectlyole · Accepted Answer

I figured it out, thanks for the suggestions, they definitely helped, here the final command I ran, it seems I wasn't correctly setting the variable as "irstlm=/root/irstlm" final command:

 /root/irstlm/bin/add-start-end.sh < /home/user/corpus/news-commentary-v7.fr-en.true.en> news-commentary-v7.fr-en.sb.enexport IRSTLM=$HOME/irstlm; /root/irstlm/bin/build-lm.sh -i news-commentary-v7.fr-en.sb.en -t ./tmp -p -s improved-kneser-ney -o news-commentary-v7.fr-en.lm.en