bash splits only the results of expansions on IFS, using POSIX.2 field splitting rules; sh splits all words on IFS sh does not allow MAILCHECK to be unset (?) sh does not allow traps on SIGALRM or SIGCHLD bash
tabs, multiple blanks and all — whereas (2) the unquoted version (echo $VARIABLE) replaces each sequence of one or more blanks, tabs and newlines with a single space.
A great benefit of using Bash Arrays is to preserve field separation. Though, to keep that behavior, you must use double quotes as necessary. In absence of quoting, Bash will split the input into a list of words based on the $IFS value which by default contain spaces and tabs.[...
IFS The Internal Field Separator that is used for word splitting after expansion and to split lines into words with the read builtin command. The default value is ''. IGNOREEOF Controls the action of an interactive shell on receipt of an EOF character as the sole input. If set, the value...
result, such as long lines being split in the wrong place. -R or --RAW-CONTROL-CHARS Like -r, but only ANSI "color" escape sequences are output in "raw" form. Unlike -r, the screen appearance is maintained correctly in most cases. ANSI "color" escape sequences are sequences of the...
The TIMEFORMAT variable may be set to a format string that spec- ifies how the timing information should be displayed; see the description of TIMEFORMAT under Shell Variables below. Each command in a pipeline is executed as a separate process (i.e., in a subshell). Lists A list is a ...
Useful to take a large generated AWS config.ini from aws_sso_configs.sh and then split it into subdirectories for direnvs aws_s3_bucket.sh - creates an S3 bucket, blocks public access, enables versioning, encryption, and optionally locks out any given user/group/role ARNs via a bucket ...
Split a string on a delimiterCAVEAT: Requires bash 4+This is an alternative to cut, awk and other tools.Example Function:split() { # Usage: split "string" "delimiter" IFS=$'\n' read -d "" -ra arr <<< "${1//$2/$'\n'}" printf '%s\n' "${arr[@]}" }...
prompt string special char translation and variable expansion auto-export of variables in initial environment command search finds functions before builtins bash return builtin will exit a file sourced with `.' builtins: cd -/-L/-P, exec -l/-c/-a, echo -e/-E, hash -d/-l/-p/-t. ...
The read command looks for a space or tab separator in the input text in order to split the text into multiple values. If more than one space is provided, then all remaining values are combined. This means that if the user’s surname is a compound of two or more additional words they...