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I am new to unix and have a doubt about file size in Unix. ls -ltr shows me fileA size as 59096. As per my knowledge this is in bytes ,so it is nearly = 0.06MB However, a script which should zip files greater than 1MB, also zips this file:

find [dir] -type f -size +1M -exec gzip {} \;

Based on my testing it evaluates the same fileA size to be 115MB and hence compresses the file.

Can some one please help. My aim is to zip all files above 1MB.

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What testing did you perform that gave you a file size of 115 MB? Also, what does 'ls -lh fileA' return? – schaiba Feb 15 at 19:53
The find command should work. For me it lists only the files that are 1MiB + 1 Byte (1048577 bytes) or larger. – frostschutz Feb 15 at 23:39
Need further details: Exact environment (distribution, version), programs involved? Everything up to date? – vonbrand Feb 16 at 2:10
Are you sure you did "+1M" ? If you did "1M" instead it would find all the files sized 1B to 1M – Jasen Feb 16 at 4:39
ls -lh is not supported. I get an error saying flag 'h' not found. To test i had four files, with the above code all 4 were listed. i changed my script from +1M to +100M and then +110M, all 4 were yet zipped. Around +115M the smallest file was not zipped and all other 3 were zipped. – Bhavna Feb 16 at 4:43
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