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Published on 2010-03-12T05:02:49Z
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2010/03/12
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file.txt contains:
##w##
##wew##
the command:
cat file.txt | grep [[:alpha:]]* -o
outputs nothing. I'm trying to extract the text inside the hash signs. What am i doing wrong?
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I have a script that does some housekeeping that works perfectly well when invoked from an interactive shell, but did nothing when invoked by cron. To troubleshoot this I started a shell with a 'blank' environment with the command:
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I'm looking for the string "foo=" (without quotes) in text files in a directory tree. It's on a common Linux machine, I have bash shell:
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Hi,
I've downloaded and installed the GnuWin32 tools, and added the grep executables to the Emacs bin. I've also, for what its worth, added the GnuWin32 bin folder to my Path variable.
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Hi,
How can I use 'grep' to get lines start with '* ' in my file?
I tried grep "" myfile
I tried grep " " myfile
but returns all the lines of my file.
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When I run a program from the console, e.g.
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I was updating my .bash_profile, and unfortunetly I made a few updates and now I am getting:
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I was updating my .bash_profile, and unfortunetly I made a few updates and now I am getting:
env: bash: No such file or directory
env: bash: No such file or directory
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ps -e | grep bash
sample output from a linux machine:
1128 pts/14 00:00:00 bash
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12651 pts/14 00:00:00 bash
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First login process name seems to be set to "-bash", but if I subshell then it becomes "bash". for example:
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