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Redirecting 'find' output...

 
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Top Forums UNIX for Dummies Questions & Answers Redirecting 'find' output...
# 1  
Old 10-15-2008
Redirecting 'find' output...
Hi all, why does one version of this command work but not the other?

- This file already exists [/users/d269836/scripts.txt] with 644 mod permissions
- I am logged in as d269836, no su rights.
- Box is 'SunOS' running bash I think; but runs ksh scripts OK.

This one works:
Code:
find /users/d269836 -type f -name "*.txt" >> /users/d269836/scripts.txt

...and yet these code examples append nothing to scripts.txt:
Code:
find /users/ -type f -name "*.txt" >> /users/d269836/scripts.txt
find /users/. -type f -name "*.txt" >> /users/d269836/scripts.txt
find / -type f -name "*.txt" >> /users/d269836/scripts.txt

Note that all commands produce the expected output (on stdout) when not redirected to scripts.txt. Hence the weirdness?
UPDATE: Also, these commands work fine if not appended to scripts.txt (just redirected) like so:
Code:
find / -type f -name "*.txt" > /users/d269836/scripts.txt

Am I losing my mind here?? This is starting to smell implementation-dependent...

Here is the original code I'm trying to make work - but it fails accordingly to above pattern.
Code:
find / -type f -name "*.ksh" >> /users/d269836/scripts.txt
find / -type f -name "*.sh" >> /users/d269836/scripts.txt

Last edited by dan-e; 10-15-2008 at 11:46 PM.. Reason: New information added
# 2  
Old 10-16-2008
Add "-print" to it - maybe it helps.
# 3  
Old 10-16-2008
Quote:
Originally Posted by zaxxon
Add "-print" to it - maybe it helps.
...well it now outputs the full path of every file it tests, rather than the ones I'm filtering for...

Have I just found a bug in the illustrious 'NIX? Can anyone reproduce (or not) what I have described in the original post? Is this a common variety of glitch in ux? Smilie

Im scared!! and I need answers!!!
# 4  
Old 10-16-2008
Quote:
Originally Posted by dan-e
...well it now outputs the full path of every file it tests, rather than the ones I'm filtering for...

Have I just found a bug in the illustrious 'NIX? Can anyone reproduce (or not) what I have described in the original post? Is this a common variety of glitch in ux? Smilie

Im scared!! and I need answers!!!
Unless I'm missing something here (that happens rather often unfortunately Smilie), your command doesn't actually instruct find to display the output but instead relies on a bit of smarts find has that prints what it matches if stdout is not redirected... I'd not have expected the first one (that does work) to work correctly either Smilie

As suggested by zaxxon, add a -print or -ls to actually output the name on stdout.
If it's showing every file, I would guess you have the -print before the rest of the tests (it does them in order, -print and -ls always return true).
# 5  
Old 10-16-2008
OK! Good advice guys... but the mystery is still unsolved.

Adding -print to the end of the command did fix the issue with all file names being output (cheers zaxxon), like so:
Code:
find / -type f -name "*.ksh" -print

... now I get only the files I care about, but it still won't append the output to file! It will redirect to the file, but not append.

Any clues to that end? Is it possible to disable append-redirection?

Here's a handy take-home pack of the BS I am experiencing:
Code:
qmmm1#cat testfind.sh                                               | < My little script
find / -type f -name "*.tar" -print>tars.txt                        | < Find em once and dump to file
pwd >> tars.txt                                                     | < ...just to make a mark in output file
find / -type f -name "*.tar" -print>>tars.txt                       | < Find em again and append to file
                                                                    |
qmmm1#cat tars.txt                                                  |
/var/opt/OV/share/snmp_mibs/Vendor/cps.tar                          | < Here they are...
/var/opt/OV/share/snmp_mibs/fsms.tar                                |
/var/opt/OV/conf/OpC/qmmm1.tar                                      |
/var/agent/OPC/root/opt/OV/lib/perl/perl.tar                        |
/opt/OV/contrib/NNM/Cisco/CW2K/hpovwebintegrate1.2.0-sol-rme2.0.tar |
/opt/OV/lib/perl/perl.tar                                           |
/opt/OV/newconfig/OVWIN-BGROUND/backgrounds.tar                     |
/opt/hpxt/enware2/enware2.tar                                       |
/users/dgarnsly/PSOV_03238.tar                                      |
/users/f845073/qqc1_mysql.tar                                       |
/users/f845073/qcct2_templates_20060228.tar                         |
/users/c745073/qcct2_templates_20060301.tar                         |
/users/mnams/qmmm1.tar                                              |
/users/c675133/fixed.tar                                            |
/.cpan/build/Archive-Tar-1.04/t/src/long/bar.tar                    |
/.cpan/build/Archive-Tar-1.04/t/src/short/bar.tar                   |
/users/d269836                                                      |< Here's my bookmark
qmmm1#                                                              |< ...um where's the rest?

Last edited by dan-e; 10-17-2008 at 12:35 AM.. Reason: Code sample added
# 6  
Old 10-17-2008
Now that's strange. Try it in another kind of shell maybe ie. if you use bash use ksh or vice versa.

Does this happen even if you start a file with redirecting a simple echo and adding more with >> on echoes?
# 7  
Old 10-17-2008
MySQL Yes it is strange!
Problem Solved.Smilie

Logged in as root, worked from /tmp and repeated commands - all fine.

The underlying cause?Smilie
Disk space quota busted under my login d269836. Apparently my quota was ~5kb.

Which is annoying. But not as annoying as multiple commands failing Smilie & negating to mention whySmilieSmilie, or so much as notify ANY failureSmilieSmilieSmilie.

Aaaaanyway, cat saved me! And these forums! Smilie here's how:
Code:
qmgt1#cat scripts.txt                                                    |< So wats in there this time...
/usr/demo/link_audit/src/perfcnt.ksh                                     |
/usr/demo/link_audit/src/sotruss.ksh                                     |
/usr/demo/link_audit/src/symbindrep.ksh                                  |
/usr/demo/link_audit/src/whocalls.ksh                                    |
/usr/dt/appconfig/sdtpdasync/lib/maxbaud.ksh                             |< ... k some files... not many.
/usr/dt/appconfig/SUNWns/checkJRE.ksh                                    |
/var/opt/OV/bin/OpC/cmds/gprs_gsn.ksh                                    |
/var/opt/OV/bin/OpC/cmds/cdma_outage.ksh                                 |
/var/opt/OV/bin/OpC/monitor/check_bsm.ksh                                |
/opt/sfw/lib/mozilla/checkJRE.ksh                                        |
/users/dgarnsly/SUNWnsb/reloc/dt/appconfig/SUNWns/checkJRE.ksh           |
/users/dgarnsly/mozilla1-4/SUNWmoznav/reloc/sfw/lib/mozilla/checkJRE.ksh |
/users/dgarnsly/mozilla1-4/checkJRE.ksh                                  |
/users/dgarnsly/sdm/SUNWmoznav/reloc/sfw/lib/mozilla/checkJRE.ksh        |
/users/dgarnsly/sdm/checkJRE.ksh                                         |
/users/r845073/SUNWmoznav/reloc/sfw/lib/mozilla/checkJRE.ksh             |
/users/r845073/checkJRE.ksh                                              |
/my_backup.ksh                                                           |
qmmm1#cat scripts.txt >> s2                                              |< Sanity check on >> operator.
qmmm1#cat scripts.txt >> s2                                              |< (I don't trust my sanity anymore)
cat: write error: No space left on device                                |< Apparently for good reason!
qmmm1#cat s2 > s3                                                        |< NFI how that works..??:confused:
qmmm1#cat s2 >> s3                                                       |
cat: write error: No space left on device                                |< ah, it's time to search unix.com
                                                                         | this is the first 'error' i've seen!

If anyone has an explanation for my NFI section in the code above, I'm dying to be humoured! Thanks all for your assistance...
 
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