4
votes
1answer
126 views

One liner for padding columns (similar to printf) of output from the previous pipe command?

I'd normally use printf to pad each cell with enough whitespace to maintain header position over its respective column. Ultimately I can just iterate over each line of the output and do enough cut ...
3
votes
2answers
442 views

Why does Bash history not record this command?

The command printf "#!/bin/bash\n" > t generates an error(bash: !/bin/bash\n": event not found), but hitting the up key does not recall the command so that I can modify it. Why is that? (What I ...
2
votes
2answers
413 views

Where can I find some good documentation for bash printf?

man printf, info printf and printf --help are all pretty useless to me; I want an explanation of the FORMAT options. For example, I could use: printf '%s\n' foo bar and get output: foo bar From ...
1
vote
1answer
241 views

Why does printf ignore the IFS when printing out the result of my script?

This is a follow up to a question posted on SO. I've written a script called except which should print all filenames / directories except the ones given like so. $ ls a b c d $ rm $(except b d) $ ls ...
2
votes
3answers
4k views

print output to 3 separate columns

MYPATH=/var/www/html/error_logs/ TOTALFILE=$(ls $MYPATH* | wc -l) FILETIME=$(stat --format=%y $MYPATH* | head -5 | cut -d'.' -f1) FILE=$(ls -1tcr $MYPATH* | head -5 | rev | cut -d/ -f1 | rev) ...
0
votes
1answer
719 views

Where to find printf formatting reference?

Where is the offline reference of the format specifiers (e.g., %i, %s) which are supported by the Bash/system printf command? I've looked in help printf, man 1 printf and man 3 printf without luck. ...