We will be using TCL to accomplish it.
- Code
 - What it looks like
 
#File creation
tclsh
puts [open "flash:file.txt" w+] {
This is the contents of the file named file.txt that we are creating.
} 
tclquit
#Verifying that the file was created
dir | i file
#Listing of the file
more flash:file.txtro-b-pe02(tcl)#puts [open "flash:file.txt" w+] {
+>This is the contents of the file named file.txt that we are creating.
+>}
ro-b-pe02(tcl)#tclquit
ro-b-pe02#dir | i file
   14  -rw-               72  Aug 31 2023 14:05:28 +00:00  file.txt
ro-b-pe02#
ro-b-pe02#more flash:file.txt
This is the contents of the file named file.txt that we are creating.
ro-b-pe02#