Bash script template - Revision history

Heth at 08:22, 23 February 2024

2024-02-23T08:22:08Z

Heth at 07:13, 2 May 2012

2012-05-02T07:13:38Z

Heth at 07:12, 2 May 2012

2012-05-02T07:12:32Z

Heth at 06:15, 2 May 2012

2012-05-02T06:15:15Z

2012-05-02T06:10:00Z

Created page with "Below is a script template with options. <source lang=bash> #!/bin/bash # # FILNAME - SHORT DESCRIPTION # # (c) 2012 - DONALD DUCK <dd@disney.org> - all rights reserved # # THIS ..."

New page

Below is a script template with options.
<source lang=bash>
#!/bin/bash
#
# FILNAME - SHORT DESCRIPTION
#
# (c) 2012 - DONALD DUCK <dd@disney.org> - all rights reserved
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# default settings
COUNT=0
unset R # Default unset
N=1 # Default set
UNIT=""

usage() {
echo "usage: $0 [-mkrh] [-c count -n] [-t text]"
echo " -m m flag fx. report result in miles"
echo " -k k flag fx. report result in km"
echo " -r r flag"
echo " -c c flag with value"
echo " -n if c flag ...."
echo " -t t flag with text"
echo " -h help"
echo ""
echo " Description line1"
echo " Description line1"
exit 1
}

# collect options and override default

while getopts 'c:mkrr:n' CMDLINEARG
do
case "${CMDLINEARG}" in
c)
COUNT=${OPTARG}
;;
m|k)
[ ! -z "${UNIT}" ] && echo '-m and -k are mutually exclusive. Select miles or km.'\
&& usage
UNIT="${CMDLINEARG}"
;;
r)
R=${CMDLINEARG}
;;
n)
N=${OPTARG}
;;
h|*)
usage
;;
esac
done
echo -e "Settings"
echo -e "COUNT = $COUNT"
echo -e "UNIT = $UNIT"
echo -e "R = $R"
echo -e "N = $N"
echo -e "Done..."

</source>
[[Category:bash]][[category:Linux]]

@@ Line 80: / Line 80: @@
 Running the script - example
 <source lang=bash>
-heth@mars:~/bin$ ./bash_template -t "Hyde" -n -m -c 67
+heth@mars:~/bin$ ./bash_template -c 78 -t "Distance between sun and mars" -r -m
 Settings
-COUNT =
+COUNT = 78
-TEXT  = Hyde
+TEXT  = Distance between sun and mars
 UNIT  = m
-R     =
+R     = r
-N     =
+N     = 1
 Done...
 </source>
 =Links=
 *[http://wiki.bash-hackers.org/howto/getopts_tutorial getopts tutorial]
 [[Category:bash]][[category:Linux]]

@@ Line 1: / Line 1: @@
 Below is a script template with options.
 <source lang=bash>
 #!/bin/bash

@@ Line 43: / Line 43: @@
 # collect options and override default
-while getopts 'ct:mkr:n' CMDLINEARG
+while getopts ':c:t:mkrnh' CMDLINEARG
 do
          case "${CMDLINEARG}" in
@@ Line 63: / Line 63: @@
                  N=${OPTARG}
                  ;;
-         h|*)
+         h)
                  usage
                  ;;
          esac
 done
@@ Line 87: / Line 89: @@
 Done...
 </source>
 [[Category:bash]][[category:Linux]]

@@ Line 24: / Line 24: @@
 N=1     # Default set
 UNIT=""
 usage() {
@@ Line 31: / Line 32: @@
          echo "  -r    r flag"
          echo "  -c    c flag with value"
-         echo "  -n    if c flag ...."
+         echo "  -n    n flag - unset"
          echo "  -t    t flag with text"
          echo "  -h    help"
          echo ""
          echo "  Description line1"
-     echo "      Description line1"
+     echo "      Description line2"
      exit 1
+}
@@ Line 42: / Line 43: @@
 # collect options and override default
-while getopts 'c:mkrr:n' CMDLINEARG
+while getopts 'ct:mkr:n' CMDLINEARG
 do
          case "${CMDLINEARG}" in
          c)
                  COUNT=${OPTARG}
                  ;;
          m|k)
@@ Line 66: / Line 70: @@
 echo -e "Settings"
 echo -e "COUNT = $COUNT"
 echo -e "UNIT  = $UNIT"
 echo -e "R     = $R"
 echo -e "N     = $N"
 echo -e "Done..."
+</source>
 </source>
 [[Category:bash]][[category:Linux]]

Bash script template - Revision history

Heth at 08:22, 23 February 2024

Heth at 07:13, 2 May 2012

Heth at 07:12, 2 May 2012

Heth at 06:15, 2 May 2012

Heth: Created page with "Below is a script template with options. #!/bin/bash # # FILNAME - SHORT DESCRIPTION # # (c) 2012 - DONALD DUCK - all rights reserved # # THIS ..."