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clear
mode(-1)
flag=1
pwd
xt=ans
clc
printf("Example 4 : Show the method of renaming files in unix using the mv command \n")
disp("****************************************************************")
disp("Answer : ")
disp("INSTRUCTIONS : ")
printf("\nHere all instructions are preloaded in the form of a demo\nPRESS ENTER AFTER EACH COMMAND to see its RESULT\nPRESS ENTER AFTER EACH RESULT TO GO TO THE NEXT COMMAND\n")
halt('.............Press [ENTER] to continue.....')
halt("")
clc
printf("\tUNIX SHELL SIMULATOR(DEMO VERSION WITH PRELOADED COMMANDS)\n\n\n")
src=input("# Enter the name of the file[or directory] which you want to rename : ",'s')
if isdir(src) then
destn=input("# Enter the new name of the directory : ",'s')
else
destn=input("# Enter the name of the file[or directory] which you want to move into : ",'s')
end
flag=0
printf("\n $ mv %s %s \t#copies file[or directory] contents of %s to %s\n",src,destn,src,destn)
halt('')
if isfile(destn)&isfile(src) then
printf('mv : overwrite %s (yes/no)? ',destn)
resp=input(' ','s')
if resp=='y' then
mdelete(destn)
end
end
if isfile(src)|isdir(src) then
flag=1
[status,msg]=movefile(src,destn)
else
printf("\n%s : file or directory not found \n",src)
flag=0
end
if flag==1&isfile(destn) then
i=1
printf("\n $ cat %s \t#to display the moved file %s \n\n",destn,destn)
printf("\n ===========> %s <============\n\n\n",destn)
fhdr=mopen(destn,'rt')
while %t
[n,a]=mfscanf(fhdr,"%c")
if meof(fhdr) then
break
end
printf("%c",a)
i=i+1
end
mclose(fhdr)
printf("\n\n%d characters present in the file.\n[hit ENTER to continue]\n",i)
halt('')
elseif isdir(destn)&flag==1 then
cd(destn)
mode(0)
ls
halt("Go back to previous directory ?? ")
mode(-1)
cd(xt)
else
printf("\n # No changes done in the file \n")
end
printf("\n\n\n$ exit #To exit the current simulation terminal and return to Scilab console\n\n")
halt("........# (hit [ENTER] for result)")
//clc()
printf("\n\n\t\t\tBACK TO SCILAB CONSOLE...\nLoading initial environment')
sleep(1000)
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