{"id":34906,"date":"2019-10-31T22:01:11","date_gmt":"2019-10-31T19:01:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/yacc-pre-bison-parser-v-bash-skript-realizatsiya-jq-na-bash\/"},"modified":"2019-10-31T22:01:11","modified_gmt":"2019-10-31T19:01:11","slug":"yacc-pre-bison-parser-v-bash-skript-realizatsiya-jq-na-bash","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/yacc-pre-bison-parser-v-bash-skript-realizatsiya-jq-na-bash","title":{"rendered":"yacc (pre-bison) parser bash-skripti. jq teostus bashi peal.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

M\u00f5nikord on keeruline kirjutada v\u00e4ikest nutikat skripti, mis m\u00f5istab teatud sisseehitatud grammatikat, st mini-ekeele struktuuri. Alguses kirjutasin minimaalset jq rakendust bashis. Kuid mida rohkem sinna \"nutikust\" lisandus, seda keerulisemaks muutus rekursiivne alameksp\u00e4ringute anal\u00fc\u00fcs. See v\u00e4sitas mind nii palju, et otsustasin k\u00f5igepealt kirjutada LARL(1) yacc (pre-bison) kompilaatori, et genereerida bash-skripti, ja seej\u00e4rel, nagu \u00f5li libiseb, tekkis hea testkood yacc_bash.c jaoks, mis on v\u00e4ga sarnane originaalile ja on mini-jq bashis.<\/p>\n

Artikkel t\u00e4ielikult: <\/p>\n

Allikas: linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Algul kirjutasin minimaalse jq rakenduse bashis. Kuid mida rohkem tarkusi sinna lisandus, seda keerulisemaks muutus rekursiivsete alagalade anal\u00fc\u00fcsi teostamine. 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