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This can be divided into 2 parts

export ROWSTOLOAD=${ROWSTOLOAD:--100}If "ROWSTOLOAD" is defined then
export ROWSTOLOAD=${ROWSTOLOAD}else set it to
export ROWSTOLOAD=-100 In general if a...

alias l1='ls -1'
alias ll='ls -l'
alias la='ls -altr'
alias l='ls -ltr'
alias ml='m_ls -ltr'

‘$@' means all position parameters, which include noai.

Can you tell us which O/S this is, and what terminal definition you are using ? Some Solaris have issues with wide terminal settings for example. Also some terminals do not support > 132 columns. ...

The bless() function turns a vanilla reference (that can be virtually any type of reference, although hash reference is used most of the time) into an object. Without bless(), you are not doing...