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#!/bin/dash
# file: hello_world_log
# copyright: Bernd Schumacher <bernd.schumacher@hpe.com> (2007-2020)
# license: GNU General Public License, version 3
# description: example "hello world" script with logging
# warning: Be aware that the interactive step size in this example is only
# reasonable to summanrized demonstrate shellia features.
# Read shellia(7) NOTES, to learn about a reasonable size of
# interactive steps.
# usage: ./hello_world_log [-d <level>] [-i|-s|-m] [--] <name>
# Read shellia(1) logfile-mode, about running the examples
# Read shellia(3) logfile-mode, about ia.log library
# Example 1: ./hello_world_log -d 99 -- "shellia user"
# Example 2: ./hello_world_log -i "shellia user" # and enter
# 2<RETURN>, c<RETURN> and q<RETURN>
ia_logfile="$(mktemp)"
export ia_logfile
# we prefer a local copy of ia, if it exists
[ -f ia ] && . ./ia || . /usr/share/shellia/ia
# say_hello <name>
say_hello()
{
local name
eval "$ia_init"
ia_add "dbg \"function say_hello called with $# arguments\""
ia_add "name=\"$1\""
ia_stdout "^hello"
ia_add "echo \"hello \$name\""
ia_add "dbg \"function say_hello end\""
ia -c
}
eval "$ia_init"
ia_add "dbg \"main program begin\""
ia_nocheck # do not check the already checked output of next line
ia_add "say_hello <-i> -- \"$1\""
ia_add "dbg \"main program end\""
ia -c
# display the LOGFILE and then delete it
echo "--- LOGFILE ---"
cat $ia_logfile
echo "---------------"
rm $ia_logfile
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