Error when running script in bash

cafe_carl

I wrote a script in bash to basically create aliases, but for any reason, it doesn't work in some cases. Here it's the code: #!/bin/bash #Script to create unique and permanent aliases _add_alias() { echo "alias $1='$2'" | sudo tee -a $HOME/.bash_aliases echo "Alias successfully created" } if [ `cat $HOME/.bash_aliases | grep "alias $1=" | wc -l` == 0 ] then if [ $# -eq 2 ] then if [ -f "$2" ] #This condition is always false, don't know why. then...

Originally asked by Francisco Gallego Salido on Stack Exchange (askubuntu) (CC BY-SA 3.0).

uphilltech

Great question — answering as the UphillTech team:

Here you're a corrected and improved script: #!/bin/bash ################################################### ## Script to create permanent and unique aliases ## ################################################### ## alias is equal to the first argument. alias="$1" ## command is equal to an array holding all ## the positional parameters minus the first. ## (i.e. for "ls -la" it would be ["ls, "-la"]). command=("${@:2}") ## If .bash_aliases exists, load it. Now the alias check ## will take in account any alias not sourced yet on the current shell. test -f ~/.bash_aliases && source $_ ## If there are less than 2 parameters, prints the usage and exits. if [ $# -lt 2 ]; then echo "Usage: $0...

Full answer by 0x2b3bfa0: https://askubuntu.stackexchange.com/a/609136 (CC BY-SA 3.0).

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