Input and output functions in perl

* binmode - prepare binary files for I/O
* close - close file (or pipe or socket) handle
* closedir - close directory handle
* dbmclose - breaks binding on a tied dbm file
* dbmopen - create binding on a tied dbm file
* die - raise an exception or bail out
* eof - test a filehandle for its end
* fileno - return file descriptor from filehandle
* flock - lock an entire file with an advisory lock
* format - declare a picture format with use by the write() function
* getc - get the next character from the filehandle
* print - output a list to a filehandle
* printf - output a formatted list to a filehandle
* read - fixed-length buffered input from a filehandle
* readdir - get a directory from a directory handle
* readline - fetch a record from a file
* rewinddir - reset directory handle
* seek - reposition file pointer for random-access I/O
* seekdir - reposition directory pointer
* select - reset default output or do I/O multiplexing
* syscall - execute an arbitrary system call
* sysread - fixed-length unbuffered input from a filehandle
* sysseek - position I/O pointer on handle used with sysread and syswrite
* syswrite - fixed-length unbuffered output to a filehandle
* tell - get current seekpointer on a filehandle
* telldir - get current seekpointer on a directory handle
* truncate - shorten a file
* warn - print debugging info
* write - print a picture record

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• Perl