The printf is a bash built-in, making sure this part of the code does not pop up as a separate command in ps output as that would expose the password [ source ]. And that without using a temp file [ source ]. But no guarantees, maybe I overlooked something. Again to make the sshpass usage safe, we need to prevent the command from being recorded to the bash history on your local machine.
For that, the whole command is prepended with one space character, which has this effect. Normally, SSH would then wait for user input to confirm the connection attempt. We make it proceed anyway. So we have to rewrite the typical wget -O - … ssh … command into a form without a bash pipe, as explained here. Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ask Question. Asked 8 years, 4 months ago. Active 2 years, 10 months ago. Viewed 62k times. How can I download a file?
Improve this question. Chris Snow. Chris Snow Chris Snow 3, 4 4 gold badges 21 21 silver badges 30 30 bronze badges. I can't remember now if gawk was available, though I'd love to see a gawk based solution if you have one : — Chris Snow. Add a comment. Active Oldest Votes. Update: as mentioned in the comment, the approach outlined above is simplistic: the read will trashes backslashes and leading whitespace. Bash can't deal with NUL bytes very nicely so binary files are out. Improve this answer.
So you answered your own question at the same time as you asked it. That's an interesting time machine you have ; — Meer Borg. MeerBorg - when you ask a question, look for the tick box 'answer your own question' - blog. Can I explain the code? Not yet! But it does work on cygwin. Just a note: This won't work with some configurations of Bash.
I believe Debian configures this feature out of their distribution of Bash. Improve Article. Like Article. Last Updated : 20 Apr, Current Server and Local Directory Structure. Step1: Login to FTP. Step2: Change to required directories on both server and local computer. Step3: Download files and exit ftp. Recommended Articles. How to check if a directory or a file exists in system or not using Shell Scripting?
Thank you so much, works just as expected — TheCuriouslyCodingFoxah. So I have saved the above script to an sh file and I'm executing as: bash download. No problem; the code above was designed to be copy-pasted into a bash terminal after adapting it to suit your needs. I'll add another answer below with instructions on how to make it into a bash script and how to execute it. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.
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