when i run this script it give me one file to print must be specified i don't have printer can i run it without or how to run this $?$

#$!/$bin$/$bash # Program to print a text file with headers and footers # Usage: printfile file PROGNAME$="$$$($basename $$0)"$ # Create a temporary file name that gives preference # to the user's local tmp directory and has a name # that is resistant to tmp race attacks if $[-$d $"$~$/$tmp$"]$; then TEMP$\_$DIR$=$~$/$tmp else TEMP$\_$DIR$=/$tmp fi TEMP$\_$FILE$="$$TEMP$\_$DIR$/$$PROGNAME.$$$.$$RANDOM" usage$()\{$ # Display usage message on standard error echo "Usage: $PROGNAME file" $1>$&$2\}$ clean$\_$up$()\{$ # Perform program exit housekeeping # Optionally accepts an exit status rm $-$f $"$$TEMP$\_$FILE" exit $$1\}$ error$\_$exit$()\{$ # Display error message and exit echo $"$$$\{$PROGNAME$\}$: $$\{1$:$-$"Unknown Error"$\}"1>$&$2$ clean$\_$up $1\}$ trap clean$\_$up SIGHUP SIGINT SIGTERM if $[$ $# $!="1"]$; then usage error$\_$exit "one file to print must be specified" fi if $[!-$f $"$$$1"]$; then error$\_$exit "file $$1$ cannot be read" fi pr $$1>"$$TEMP$\_$FILE" $||$ error$\_$exit "cannot format file" read $-$p "Print file? $[$y$/$n$]$: $"$ if $["$$REPLY" $="$y$"]$; then lpr $"$$TEMP$\_$FILE" $||$ error$\_$exit "cannot print file" fi clean$\_$up