{"id":28381,"date":"2022-12-30T15:14:22","date_gmt":"2022-12-30T09:44:22","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/"},"modified":"2022-12-30T15:14:22","modified_gmt":"2022-12-30T09:44:22","slug":"solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/","title":{"rendered":"[Solved] How to parse and arrange lines of a csv file based on matching word in C?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-51226331\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"51226331\" data-parentid=\"50880565\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>I could write the code to get the required output. Below is the code:<\/p>\n<pre><code>#include&lt;stdio.h&gt;\n#include&lt;stdlib.h&gt;\n#include&lt;ctype.h&gt;\n#include&lt;fcntl.h&gt;\n#include&lt;string.h&gt;\n\nint main(int argc, char ** argv) \n{\n    struct filedata {\n        char nation[8];\n        char content[50];\n    };\n\n    char line[100];\n    char *inputFile = argv[1];\n    FILE *input_csv_file;\n    int iter = 0, c;\n\n    char * tok;\n    int count = 0;\n    char ch;\n    char country[] = \"country\";\n    char header_line[50];\n\n    input_csv_file = fopen(inputFile, \"rt\");\n\n    \/\/count line numbers of the input csv\n    for(ch = getc(input_csv_file); ch!= EOF; ch=getc(input_csv_file))\n        if(ch == '\\n')\n            count = count + 1;\n\n\n    fclose(input_csv_file);\n\n\n    count =  count -1;\n\n    struct filedata * record[count];\n    input_csv_file = fopen(inputFile, \"rt\");\n\n    if(input_csv_file == 0) \n    {\n        printf(\"Can not open input file\\n\");\n    } else \n    {\n        while(fgets(line, sizeof line, input_csv_file) != NULL) \n        {\n            \/\/printf(\"-- line = %s\\n\", line);\n            int s_line = sizeof line;\n            char dup_line[s_line];\n            strcpy(dup_line, line);\n\n            int h = 0;\n            int s_token;\n\n            tok = strtok(line, \",\");\n\n            while(tok != NULL) \n            {\n                h++;\n                if(h == 3)\n                {\n                    s_token = sizeof tok;\n                    break;\n                }\n                tok = strtok(NULL, \",\");\n            }\n\n\n            \/\/ skipping the line having column headers\n            if(compare_col(tok, country) == 0) {\n                strcpy(header_line, dup_line);\n                continue;\n            }\n\n            iter++;\n            c = iter - 1;\n\n            record[c] = (struct filedata*)malloc(sizeof(struct filedata));\n            strcpy(record[c]-&gt;nation, tok);\n            strcpy(record[c]-&gt;content, dup_line);\n        } \/\/while\n\n        struct filedata * temp;\n\n        FILE * fptr;\n        fptr = fopen(\"nation_csv.txt\", \"w\");\n        if(fptr == NULL)\n        {\n            printf(\"Error in opening the file to write\\n\");\n            exit(1);\n        }\n\n        \/\/ sorting the arr of struct nation wise\n        for(iter=1; iter &lt; count; iter++)\n            for(c =0 ; c &lt; count -1; c++) {\n                if(strcmp(record[c]-&gt;nation, record[c+1]-&gt;nation) &gt; 0) {\n                    temp = record[c];\n                    record[c] = record[c+1];\n                    record[c+1] = temp;\n                }\n            } \n\n        for(iter=0; iter &lt; count; ++iter) \n        {\n            if(iter == 0) {\n            fprintf(fptr, \"%s\", header_line);\n                continue;\n            }\n\n            fprintf(fptr, \"%s\", record[iter]-&gt;content);\n        }\n    fclose(fptr);\n    }\n    fclose(input_csv_file);\n}\n\nint compare_col(char a[], char b[] )\n{\n    int c = 0;\n    while(a[c] == b[c]) {\n        if(a[c] == '\\0' || b[c] == '\\0')\n            break;\n        c++;\n\n    }\n\n    if(a[c] == '\\0' &amp;&amp; b[c] == '\\0')\n        return 0;\n    else \n        return -1;\n}   \n<\/code><\/pre>\n<p>Thanks for all your inputs. Any further inputs to make it better are much appreciated.<\/p>\n<p>Thanks<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to parse and arrange lines of a csv file based on matching word in C? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I could write the code to get the required output. Below is the code: #include&lt;stdio.h&gt; #include&lt;stdlib.h&gt; #include&lt;ctype.h&gt; #include&lt;fcntl.h&gt; #include&lt;string.h&gt; int main(int argc, char ** argv) { struct filedata { char nation[8]; char content[50]; }; char line[100]; char *inputFile = argv[1]; FILE *input_csv_file; int iter = 0, c; char * tok; int count = 0; &#8230; <a title=\"[Solved] How to parse and arrange lines of a csv file based on matching word in C?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/\" aria-label=\"More on [Solved] How to parse and arrange lines of a csv file based on matching word in C?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,483,5550],"class_list":["post-28381","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-csv","tag-fileparsing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to parse and arrange lines of a csv file based on matching word in C? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to parse and arrange lines of a csv file based on matching word in C? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I could write the code to get the required output. Below is the code: #include&lt;stdio.h&gt; #include&lt;stdlib.h&gt; #include&lt;ctype.h&gt; #include&lt;fcntl.h&gt; #include&lt;string.h&gt; int main(int argc, char ** argv) { struct filedata { char nation[8]; char content[50]; }; char line[100]; char *inputFile = argv[1]; FILE *input_csv_file; int iter = 0, c; char * tok; int count = 0; ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-30T09:44:22+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] How to parse and arrange lines of a csv file based on matching word in C?\",\"datePublished\":\"2022-12-30T09:44:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/\"},\"wordCount\":66,\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"keywords\":[\"c++\",\"csv\",\"fileparsing\"],\"articleSection\":[\"Solved\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/\",\"url\":\"https:\/\/jassweb.com\/solved\/solved-how-to-parse-and-arrange-lines-of-a-csv-file-based-on-matching-word-in-c\/\",\"name\":\"[Solved] How to parse and arrange lines of a csv file based on matching word in C? 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Below is the code: #include&lt;stdio.h&gt; #include&lt;stdlib.h&gt; #include&lt;ctype.h&gt; #include&lt;fcntl.h&gt; #include&lt;string.h&gt; int main(int argc, char ** argv) { struct filedata { char nation[8]; char content[50]; }; char line[100]; char *inputFile = argv[1]; FILE *input_csv_file; int iter = 0, c; char * tok; int count = 0; ... 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