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Thread: Using /etc/profile for small programs

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  1. #1
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    Using /etc/profile for small programs

    .
    It may be noted that you can park some useful small programs in /etc/profile,
    as opposed to having many small programs just hanging around. Sometimes the
    syntax seems a bit more challenging than the usual bash, but workable. These
    are composed as root, but execute as knoppix. For example look at the
    Count, Channel and Keep snippets in my /etc/profile.
    Code:
    # /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
    # and Bourne compatible shells (bash(1), ksh(1), ash(1), ...).
    
    PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
    # set PATH so it includes user's private bin if it exists
    +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    ++++++++++++++ a few lines deleted here for clarity +++++++++++++++++++++++++
    +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    alias su="sudo su"
    umask 022
    
    Count() { # Aid to counting wifi disconnects over time
    date '+%h %e %H:%M:%S' ; less /var/log/syslog | 
    grep restart; less /var/log/syslog | grep -c disconnecting
    }
    Channel() { # Aid to assessing who's on wifi channels 1 to 11
    sudo iwlist wlan0 scan | grep -e Freq -A 3 |
    grep "(Channel $1)" -A 3 | grep -v key 
    }
    Keep() { # Aid to backing-up unique user files to /mnt-system
    cd /; KEEP=/mnt-system/keep$(date +"%m%d%H").tar.gz
    echo -e 'Compressing data; patience, this may take a little time..\c'
    tar -cz --exclude */.gvfs/* -f  $KEEP \
                     home/knoppix/      etc/profile      etc/rc.local \
                     etc/X11/Xsession.d/45*   etc/syslog-knoppix.conf \
                     mnt-system/boot/syslinux/syslinux.cfg
    echo ".Done."; echo "Restore using the command, tar -xzf '$KEEP' -C /"
    }
    These snippets are to be executed in an lxterminal as knoppix, of course.
    Last edited by utu; 02-25-2013 at 12:06 AM.

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