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Bash Process Substitution Syntax Error

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Code block redirection without forking

>#!/bin/bash # wr-ps.bash: while-read loop with process substitution. # This example contributed by Tomas Pospisek. # (Heavily edited by the ABS Guide author.) echo echo For example, given the two files: # cat a e d c b a # cat b g f e d c b To view the lines unique to each of Finally I got the key from Mitch's blog: http://www.linuxjournal.com/content/shell-process-redirection It's calledprocess substitutionfor piping thestdoutofmultiplecommands.Process substitution is not a POSIX compliant feature and so it may have to be enabled via: set Video displays in Star Wars Can filling up a 75 gallon water heater tank without opening a faucet cause damage? navigate here

Sort of... I use grep filters to source only the variables I need for a given script. Join them; it only takes a minute: Sign up Syntax error in shell script with process substitution up vote 5 down vote favorite 2 I have this shell script which I Problem with using pause and onslide in one frame When taking passengers, what should I do to prepare them?

Bash Process Substitution Syntax Error Near Unexpected Token

Use a different shell, or perhaps a newer version of bash. –Alan Curry Aug 25 '12 at 9:30 I stand corrected, 2> >( seems to be the way to Zsh would be fine.) Given the error message you're getting, you are running this script in bash, but in its POSIX compatibility mode, not in full bash mode. the entire script echoes. View More at http://stackoverflow.com/questions/12120598/syntax-error-in-shell...

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Forward/right bracket vs backward/left bracket2Read a password securely from within process substitution?2What are the variables $remote_fs and $syslog on SysVinit LSB header? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed no outgoing connection via ipv4 Do COB LEDs usually need electrically insulating from the heatsink? Bash Syntax Error Near Unexpected Token Else' I shall test and report! :) –TCZ8 Jan 7 '15 at 21:38 It works!

Thank you for comment. What does an 'ü' mean? Related 6How do the environments of a standard Terminal command-line and a bash script differ?4Why does “if [ 0 ]” execute the “then” statement in bash script?1Sendmail not working as desired Just now I tried using ./script.sh and it is giving the desire result.

commandB > >(commandA) # You can now get the exit code of commandB from $? (or by putting this in an if) # If commandA cannot read it from stdin, but Bash Syntax Error Near Unexpected Token Fi' Finding a file starting with '-' dash What to tell to a rejected candidate? Only running it with sh ./script.sh do I get your error, as commented by Cyrus. By doing this, the command simply sees a file name and is unaware that its reading from or writing to a command pipeline.

Syntax Error Bad Substitution

Hot Network Questions What does an 'ü' mean? Coprocesses can also do everything process substitutions can, and are slightly more portable (though the syntax for using them is not). Bash Process Substitution Syntax Error Near Unexpected Token Limit involving exponentials and arctangent without L'Hôpital Why does Windows show "This device can perform faster" notification if I connect it clumsily? Syntax Error In Substitution Sap View More at http://stackoverflow.com/questions/12120598/syntax-error-in-shell...

Finding a file starting with '-' dash Skipping directly to level 4 How to map and sum a list fast? http://onlinetvsoftware.net/syntax-error/bash-for-syntax-error.php Meaning of Guns and ghee Adopt A Jet/Book Train ride from Copenhagen to Malmo The Woz Monitor Can filling up a 75 gallon water heater tank without opening a faucet cause echo "${array0[@]}" exit $? # ====================================== # bash psub.bash #!/bin/CRASH-BANG! share|improve this answer answered Nov 17 '14 at 18:29 Sudev Jash 2513 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Bash Syntax Error Near Unexpected Token Done'

Thank you so much! Modern soldiers carry axes instead of combat knives. I used a template I got online to create it. http://onlinetvsoftware.net/syntax-error/bash-command-substitution-syntax-error-unexpected-end-of-file.php To substitute a command pipeline for an output file the syntax is: command ... >(list) ...

linux - Syntax error in shell script with process substitution - Stack... Bash Syntax Error Invalid Arithmetic Operator Realism of a setting with several sapient anthropomorphic animal species Why don't most major game engines use gifs for animated textures? Why?

The syntax for process substitution is: <(list) or >(list) where each list is a command or a pipeline of commands.

when using diff(1): diff <(sort list1) <(sort list2)This is (roughly) equivalent to: mkfifo /var/tmp/fifo1 mkfifo /var/tmp/fifo2 sort list1 >/var/tmp/fifo1 & sort list2 >/var/tmp/fifo2 & diff /var/tmp/fifo1 /var/tmp/fifo2 rm /var/tmp/fifo1 /var/tmp/fifo2Note that Space there would give an error message.

bash$ echo >(true) /dev/fd/63 bash$ echo <(true) /dev/fd/63 What does Sauron need with mithril? Bash Syntax Error Near Unexpected Token Then' Ask Ubuntu works best with JavaScript enabled Advanced Bash-Scripting Guide: PrevNext
Chapter 23.

It seems that POSIX is not enabled on the node where the job was submitted. Least Common Multiple Realism of a setting with several sapient anthropomorphic animal species I accepted a counter offer and regret it: can I go back and contact the previous company? Depending on your actual problem these options may be open to you: # If commandA can read the data from stdin commandB | commandA # You can now get the exit http://onlinetvsoftware.net/syntax-error/bash-if-syntax-error.php Adding a !#/bin/bash to your script may help (but I'm not as familiar with cron as I should be, and have no direct experience with Debian). –chepner Aug 25 '12 at

netcat -l $PORT | tee>(md5sum ->mydata-orig.md5) | gzip | tee>(md5sum - | sed 's/-$/mydata.lz2/'>mydata-gz.md5)>mydata.gz # Check the decompression: gzip -d