Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Example 12.7
Write a program that will receive a filename and a line of text as command line
arguments and write the text to the file.
Figure 12.7 shows the use of command line arguments. The command line is
F12 7 TEXT AAAAAA BBBBBB CCCCCC DDDDDD EEEEEE FFFFFF GGGGGG
Each word in the command line is an argument to the main and therefore the total number of
arguments is 9.
The argument vector argv[1] points to the string TEXT and therefore the statement
fp = fopen(argv[1], "w");
%3D
opens a file with the name TEXT. The for loop that follows immediately writes the remaining 7
arguments to the file TEXT.
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Transcribed Image Text:Example 12.7 Write a program that will receive a filename and a line of text as command line arguments and write the text to the file. Figure 12.7 shows the use of command line arguments. The command line is F12 7 TEXT AAAAAA BBBBBB CCCCCC DDDDDD EEEEEE FFFFFF GGGGGG Each word in the command line is an argument to the main and therefore the total number of arguments is 9. The argument vector argv[1] points to the string TEXT and therefore the statement fp = fopen(argv[1], "w"); %3D opens a file with the name TEXT. The for loop that follows immediately writes the remaining 7 arguments to the file TEXT.
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