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Bash Process Substitution Syntax Error

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Although not documented as a form of input/output redirection, its syntax and its effects are similar. To substitute a command pipeline for an output file the syntax is: command ... >(list) ... Ask Ubuntu works best with JavaScript enabled Advanced Bash-Scripting Guide: PrevNext

Chapter 23. By doing this, the command simply sees a file name and is unaware that its reading from or writing to a command pipeline. Check This Out

Is the following extension of finite state automata studied? Process substitution is not a POSIX compliant feature and so it may have to be enabled via: set +o posix Be careful not to try something like: if [[ $use_process_substitution -eq Related 2103Check if a directory exists in a shell script2882Can a Bash script tell which directory it is stored in?310How do I know the script file name in a Bash script?721How Join them; it only takes a minute: Sign up Bash script process substitution Syntax error: “(” unexpected up vote 0 down vote favorite I want to run this script: #!/bin/bash echo

Bash Process Substitution Syntax Error Near Unexpected Token

For example, this will fail: # This example will fail, unless run in ksh88/ksh93 i=0 sort list1 | while read line; do i=$(($i + 1)) ... Problem? Try invoke by bash script.sh. 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

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  2. Unexpected parent process id in output In a GNU C macro envSet(name), what does (void) "" name mean?
  3. Also take care not to set the environment variable POSIXLY_CORRECT or to pass the --posix option on the command line if you want to use bash features.
  4. The syntax for process substitution is: <(list) or >(list) where each list is a command or a pipeline of commands.
  5. So, in the example above the shell tries to parse the process substitution syntax before the "set" command is executed and therefore still sees the process substitution syntax as illegal.

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 I have found that on gentoo also if sh is a link to /bin/bash if you call the script with 'sh "scriptname"' it doesn't run it as a bash script and 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. Bash Syntax Error Near Unexpected Token Else' How to get tRNA/rRNA/mitochondrial gene GTF file Label Cloud :? (1) 1000G (1) 64bit or 32bit (2) adaptor (4) algorithm (3) ANOVA (1) Aparche (2) argument (1) ASCII (1) awk (15)

Xianjun Dong Monday, December 09, 2013 process substitution syntax error near unexpected token `(' I got the error message when I used command like: program <(zcat myfile1.gz)<(zcat myfile2.gz) in a bash Syntax Error Bad Substitution contact | privacy policy | terms of use © 2014-15 recalll × Modal header Body... Thank You so much... –Sudev Jash Nov 17 '14 at 18:18 | show 1 more comment 2 Answers 2 active oldest votes up vote 3 down vote accepted sh (which in exit $?This is a similar example.

Example 23-2.

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 Bash Syntax Error Near Unexpected Token Fi' myservice contains: #!/bin/sh #/etc/init.d/myservice ### BEGIN INIT INFO # Provides: myservice # Required-Start: $remote_fs $syslog $network # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 Same calling by ./script.sh executes with sha-bang which is /bin/**bash** in your script. –Costas Nov 17 '14 at 18:12 @SudevJash see: What is the difference between ./ and sh Connect to Services Connect to personal services for more relevant search results across services.

Syntax Error Bad Substitution

sure does! Which requires more energy: walking 1 km or cycling 1 km at the same speed? Bash Process Substitution Syntax Error Near Unexpected Token This site is not affiliated with Linus Torvalds or The Open Group in any way. Syntax Error In Substitution Sap How does Gandalf get informed of Bilbo's 111st birthday party?

Thank you for the very good answer though. –Milad Naseri Aug 28 '12 at 10:15 add a comment| up vote 1 down vote Actually you don't have to go for such http://sovidi.com/syntax-error/bash-if-syntax-error.php How to make different social classes look quite different? Symbolic comparison of recursive functions How does Gandalf get informed of Bilbo's 111st birthday party? share|improve this answer edited Nov 18 '14 at 14:21 answered Nov 17 '14 at 18:28 Costas 10.6k523 @MichaelDurrant Ah, your modification now means the opposite of what I meant Bash Syntax Error Near Unexpected Token Done'

What does an 'ü' mean? declare -a inloop index=0 cat $0 | while read line do inloop[$index]="$line" ((index++)) # It runs in a subshell, so ... Why write an entire bash script in functions? http://sovidi.com/syntax-error/bash-command-substitution-syntax-error-unexpected-end-of-file.php declare -a array0 while read do array0[${#array0[@]}]="$REPLY" done < <( sed -e 's/bash/CRASH-BANG!/' $0 | grep bin | awk '{print $1}' ) # Sets the default 'read' variable, $REPLY, by process

Convince people not to share their password with trusted others Dennis numbers 2.0 Is there a way to make a metal sword resistant to lava? Bash Syntax Error Invalid Arithmetic Operator I really missed that! Password Protected Wifi, page without HTTPS - why the data is send in clear text?

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You’re presented with special offers and coupons based on your viewing and buying patterns. The only real reason to use bash file.sh is if the shebang is wrong (or missing) or the file isn't executable -- but in those cases, it's better to fix the Train ride from Copenhagen to Malmo Realism of a setting with several sapient anthropomorphic animal species Subtraction with a negative result Convince people not to share their password with trusted others Bash Syntax Error Near Unexpected Token Then' So you can not use bash features when run your script with /usr/sh.

Here's a more complicated example: hasFile='Note: the (top-|highly )?secret plans are backed up at:(.*)' criticalFile= while IFS= read -r line; do [[ $line ]] || continue case $line in '!!! '*) So I should use "bash file.sh - determines interpreter from command line or ./file.sh - determines from the shebang declaration" –Katrinna L Aug 16 '15 at 20:19 @KatrinnaL ./file.sh If you find something you want for your birthday, a third party manages your wish list, which you can share through multiple social- media outlets or email to a friend. navigate here Why can a Gnome grapple a Goliath?

Problem with using pause and onslide in one frame How to deal with a very weak student? The profile files read are /etc/profile and ~/.profile, if it's a login shell. 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 Which requires more energy: walking 1 km or cycling 1 km at the same speed?

On THE other hand or on another hand? diff <(command1) <(command2) # Gives difference in command output. Process SubstitutionPiping the stdout of a command into the stdin of another is a powerful technique. Are there any 'smart' ejection seats?

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. This is where process substitution comes in.

Process substitution feeds the output of a process (or processes) into the stdin of another process.

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Sort of... Just now I tried using ./script.sh and it is giving the desire result. How to pluralize "State of the Union" without an additional noun? If you have bash available, change the first line of your script to, for example, #!/bin/bash . [On systems that have bash in a directory on a mountable filesystem, such as

because it runs in a subshell. share|improve this answer answered Aug 25 '12 at 13:57 Gilles 55.6k15118178 add a comment| up vote 7 down vote How about: tar -Pzcpf /backups/backup.tar.gz --directory=/ \ --exclude=proc --exclude=sys --exclude=dev/pts \ --exclude=backups share|improve this answer answered May 13 '15 at 7:03 Alex 1222 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign