Tagged Questions
6
votes
4answers
291 views
Find images by size: find / file / awk
I've been trying to find png image files a certain height (over 500px). I know that file will return image dimensions. Example:
$ file TestImg1a.png
TestImg1a.png: PNG image data, 764 x 200, ...
1
vote
3answers
546 views
how to sum output of awk or other expression with xargs
Suppose i have the following bash shell script:
#!/bin/bash
export count=0;
for i in `ls ./mydoc` ;do
pdfinfo ./mydoc/$i | egrep Pages |awk {'print $2'} |xargs -+ $count ;
...
2
votes
3answers
1k views
How to delete files filtered out by awk
I have the following files in a directory:
-rw-r--r-- 1 smsc sys 46 Apr 22 12:09 bills.50.1.3G.MO.X.20120422120453.Z
-rw-r--r-- 1 smsc sys 28 Apr 22 12:15 bills.50.1.3G.MO.X.20120422120953.Z
...
2
votes
2answers
236 views
xargs grep suggestion
grep -v "\<Swap" instruments.log | awk '{ idx=index($0, "MasterId="); masterId=substr($0, idx+length("MasterId=")+1); masterId=substr(masterId,1,index(masterId,"L")-3); print masterId; }' | xargs ...
3
votes
6answers
737 views
Grep a directory and return list with line numbers
I'm currently trying to learn more about bash scripting and all of that fun stuff, and I pieced together this little command:
find $path | xargs grep -n $pattern | awk '{print $1}'
While this DOES ...
