WebMar 5, 2024 · The dd (1) command prints to stderr, not stdout. That's why the first redirection didn't output anything to the file. dd if=/dev/zero of=/dev/null bs=512 count=4096 >& file. Code: > name >! name >& name >&! name The file name is used as standard output. If the file does not exist then it is created; if the file exists, it is truncated, its ... WebAug 26, 2014 · (at least in bash) which is a whole lot more understandable...---The necessity of double quotes around the file names are a bash quirk, in other Bourne shell …
Ambiguous Redirect in Bash - How can I correct it? : r/bash - Reddit
WebApr 13, 2024 · if you are using a variable name in the shell command, you must concatenate it with + sign.. for example : if you have two files, and you are not going to hard code the … WebFeb 11, 2009 · About the author: Vivek Gite is the founder of nixCraft, the oldest running blog about Linux and open source. He wrote more than 7k+ posts and helped numerous readers to master IT topics. Join the nixCraft community via RSS Feed or Email Newsletter. 🥺 Was this helpful? Please add a comment to show your appreciation or feedback. … choosing a camera flash
[ShellScript] Hướng dẫn fix lỗi ambiguous redirect khi lập trình …
WebFeb 5, 2015 · Thank you for the edit and for the advice. After I quote those variables it tells me No such file or directory.I am trying to "play" with two txt files and output something in another .txt. WebBut it's saying ambiguous redirect as I can't redirect to a command. jstack -l `pgrep java` > /tmp/TD_` Stack Exchange Network ... ambiguous redirect $ echo foo > /tmp/"TD_`hostname`_`date`_`pgrep java`" $ ls /tmp/TD* /tmp/TD_muru-arch_Sat 26 Dec 16:14:29 IST 2015_ Share. Improve this answer. Follow answered Dec 26, 2015 at … WebOct 5, 2024 · 1 Answer. As @GlennJackman points out, the lines are not matching the code, hence I am guessing the following: The ambiguous redirection is on line 6: To truncate a file, you should use truncate -s0 $2. For the unary operator error, I bet on line 21: either put a linefeed or a semicolon ; before fi. #!/bin/bash echo -n "Output to $2 " # set ... great america leasing cedar rapids