Category: File Handling

File handling verbs are used to perform various operations on files. Following are the file handling verbs − Open Verb Open is the first file operation that must be performed. If Open is successful, then only further operations are possible on a file. Only after opening a file, the variables in the file structure are…

Till now, file organization schemes have been discussed. For each file organization scheme, different access modes can be used. Following are the types of file access modes − The syntaxes in this module, mentioned along with their respective terms, only refer to their usage in the program. The complete programs using these syntaxes would be…

File organization indicates how the records are organized in a file. There are different types of organizations for files so as to increase their efficiency of accessing the records. Following are the types of file organization schemes − The syntaxes in this module, mentioned along with their respective terms, only refer to their usage in…

The concept of files in COBOL is different from that in C/C++. While learning the basics of ‘File’ in COBOL, the concepts of both languages should not be corelated. Simple text files cannot be used in COBOL, instead PS (Physical Sequential) and VSAM files are used. PS files will be discussed in this module. To understand file handling in…