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Bash Script Continue On Error


Linked 0 Problems of set -e with grep command 1 Alternative to set +e 1 Make `unzip` try to unzip files if they exist without failure if not Related 2882Can a Find all posts by postcd

#7 12-10-2013 hergp Problem Eliminator Join Date: Jan 2010 Last Activity: 29 September 2016, 3:33 PM EDT Location: Vienna, Austria In our example this isn't a problem as apache opens the files every request. There are several things you can do to prevent errors in these situations. http://waspsoft.com/bash-script/bash-script-continue-after-error.html

Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the set +e command1 command2 set -e On a slightly related note, by default bash takes the error status of the last item in a pipeline, which may not be what you If those conditions are true, then check whether or not it has a size greater than 0. #!/bin/bash echo "Which error log are you checking today? " read answer if [ david% bash /tmp/shrink-chroot.sh $chroot= david% bash -u /tmp/shrink-chroot.sh /tmp/shrink-chroot.sh: line 3: $1: unbound variable david% Use set -e Every script you write should include set -e at the top.

Bash Script Continue After Error

You need to make sure that both the old and the new directories are moved to locations that are on the same partition so you can take advantage of the property For our printing script, we might handle the signal problem this way: #!/bin/bash # Program to print a text file with headers and footers TEMP_FILE=/tmp/printfile.txt trap "rm $TEMP_FILE; exit" SIGHUP SIGINT HTTP request sent, awaiting response... 404 Not found 2012-08-04 18:09:36 ERROR 404: Not found. The script will terminate at the read command and the rm command is never executed.

Just click 'edit'. asked 4 years ago viewed 114204 times active 6 months ago Linked 0 Use inotifywait to run command but only if inotifywait exits with status 0 Related 1Ls with spaces + please how to achieve so this error is skipped and continuing to the next entry? Bash Script Error Output if [ $RESULT -eq 0 ]; then echo success else echo failed fi if [ $RESULT == 0 ]; then echo success 2 else echo failed 2 fi share|improve this answer

The preferred technique is to write them in a local directory such as ~/tmp (a tmp subdirectory in the user's home directory.) If you must write files in /tmp, you must This is done when you don't know in advance how many times the loop will have to execute, for instance because it is dependent on user input.

The example below demonstrates This further helps identify what process is responsible for the file. david% foo() { for i in $@; do printf "%s\n" "$i"; done }; foo bar "baz quux" bar baz quux david% foo() { for i in "$@"; do printf "%s\n" "$i";

Use SIGKILL as a last resort. Bash Script Error Log Next, it asks the user if they want to print the file. If you forget to check something, bash will do it or you. This is easily accomplished by adding the following to the end of the script: rm $TEMP_FILE This would seem to solve the problem, but what happens if the user types ctrl-c

Bash Script Ignore Error Continue

While it needs a file name passed on the command line, it doesn't check that it got one, and it doesn't check that the file actually exists. Video displays in Star Wars Should indoor ripened tomatoes be used for sauce? Bash Script Continue After Error but I doubt that this is a concern for you. Bash Script Error Command Not Found Rosa Parks is a [symbol?] for the civil rights movement?

Signal 9 From Outer Space There is one signal that you cannot trap: SIGKILL or signal 9. http://waspsoft.com/bash-script/bash-script-bus-error.html Why? Can a creature benefit from differently typed speed bonuses all named fast movement? Most importantly, it will only accept a single string containing the command to be performed when the signal is received. Bash Script Error Check

Is there a way to make a metal sword resistant to lava? I'd like those indexes to be put back if the import fails, but I'd like to see the output and know the import failed, too. But for a particular script I want to ignore the error. navigate here On THE other hand or on another hand?

The specific bash is: #!/bin/sh invoke-rc.d tomcat stop rm -fr /var/webapps/ cp -R $WEBAPP /var/webapps/ invoke-rc.d tomcat start I want to exec "invoke-rc.d tomcat stop" and even if Tomcat is not Bash Script Error Message Skeletal formula for carbon with two double bonds Modern soldiers carry axes instead of combat knives. Is 8:00 AM an unreasonable time to meet with my graduate students and post-doc?

What type of sequences are escape sequences starting with "\033]" American English: are [ə] and [ʌ] different phonemes?

Integral using residue theorem complex analysis more hot questions question feed lang-bsh about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology But because the output is redirected to /dev/null that will always be the empty string. However, all entries in the filenamewithdomains should not start with a dot. Bash Script Error Exit How can I do that ?

For this question i'd like to inspect the error and then continue or exit based on which error is thrown. (Can't see how to vote up your comment as helpful!) –Stunt Problem with using pause and onslide in one frame Skeletal formula for carbon with two double bonds Did Donald Trump call Alicia Machado "Miss Piggy" and "Miss Housekeeping"? See the Bash info pages for more.

9.5.2. his comment is here Not the answer you're looking for?

Anyway, thank you for quoting the documentation, I put my expression to if clause and solved the problem. –Marboni Jun 24 '15 at 18:19 add a comment| Your Answer draft Verbs of buttons on websites My home country claims I am a dual national of another country, the country in question does not. I'm essentially trying to mimic the try{}catch{} from c# –Stunt Jul 24 '13 at 10:00 add a comment| 2 Answers 2 active oldest votes up vote 29 down vote accepted In current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

Modern soldiers carry axes instead of combat knives. Verbatim copying and distribution of this entire article is permitted in any medium, provided this copyright notice is preserved. In the script above, the following line of code created the temporary file $TEMP_FILE: TEMP_FILE=$TEMP_DIR/printfile.$$.$RANDOM The $TEMP_DIR variable contains either /tmp or ~/tmp depending on the availability of the directory. In my scripts, I call this function clean_up. #!/bin/bash # Program to print a text file with headers and footers TEMP_FILE=/tmp/printfile.txt clean_up() { # Perform program exit housekeeping rm $TEMP_FILE exit

But does also catch the error? –JorgeO Jul 2 '09 at 15:49 This does not recover from the error, it merely hides the cause. –Tim Post♦ Jul 2 '09 And, Welcome to SO! :) –S.R.I Jul 24 '13 at 9:42 That does help to improve my error reporting however it does not include anything for handling different errors